{"id":84369,"date":"2026-07-26T12:25:25","date_gmt":"2026-07-26T04:25:25","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/84369.html"},"modified":"2026-07-26T12:25:25","modified_gmt":"2026-07-26T04:25:25","slug":"sar%e6%88%90%e5%83%8f%e5%8e%9f%e7%90%86%e5%92%8c%e5%ae%9e%e7%8e%b0%e5%90%abpython%e4%bb%a3%e7%a0%81","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/84369.html","title":{"rendered":"SAR\u6210\u50cf\u539f\u7406\u548c\u5b9e\u73b0(\u542bpython\u4ee3\u7801)"},"content":{"rendered":"<\/p>\n<h4>\u76ee\u5f55<\/h4>\n<ul>\n<li>SAR\u6210\u50cf\u57fa\u7840<\/li>\n<li>\n<ul>\n<li>\u7b80\u4ecb<\/li>\n<li>\u57fa\u672c\u5de5\u4f5c\u6d41\u7a0b<\/li>\n<\/ul>\n<\/li>\n<li>\u7ebf\u6027\u8c03\u9891\u4fe1\u53f7\u4e0e\u8109\u51b2\u538b\u7f29<\/li>\n<li>\n<ul>\n<li>\u8ddd\u79bb\u5411\u9ad8\u5206\u8fa8\u7684\u5173\u952e<\/li>\n<li>\u65b9\u4f4d\u5411\u5904\u7406<\/li>\n<\/ul>\n<\/li>\n<li>SAR\u56de\u6ce2\u4fe1\u53f7\u6a21\u578b<\/li>\n<li>\n<ul>\n<li>\u70b9\u76ee\u6807\u56de\u6ce2<\/li>\n<\/ul>\n<\/li>\n<li>\u8ddd\u79bb\u5f99\u52a8<\/li>\n<li>\n<ul>\n<li>\u8ddd\u79bb\u5f99\u52a8(Range Cell Migration, RCM)<\/li>\n<li>\n<ul>\n<li>\u8ddd\u79bb\u5f99\u52a8\u5206\u91cf<\/li>\n<\/ul>\n<\/li>\n<li>RCM\u6821\u6b63<\/li>\n<\/ul>\n<\/li>\n<li>\u6210\u50cf\u7b97\u6cd5\u7b80\u4ecb<\/li>\n<li>\n<ul>\n<li>\u8ddd\u79bb\u591a\u666e\u52d2\u7b97\u6cd5 (RDA)<\/li>\n<li>\n<ul>\n<li>\u7b97\u6cd5\u6d41\u7a0b<\/li>\n<\/ul>\n<\/li>\n<li>Chirp Scaling \u7b97\u6cd5 (CSA)<\/li>\n<li>\n<ul>\n<li>\u7b97\u6cd5\u6d41\u7a0b<\/li>\n<\/ul>\n<\/li>\n<li>\u03c9K \u7b97\u6cd5 (\u6ce2\u6570\u57df\u7b97\u6cd5)<\/li>\n<li>\n<ul>\n<li>\u7b97\u6cd5\u6d41\u7a0b<\/li>\n<\/ul>\n<\/li>\n<li>\u540e\u5411\u6295\u5f71\u7b97\u6cd5 (BP)<\/li>\n<li>\u7b97\u6cd5\u5bf9\u6bd4<\/li>\n<li>\u603b\u7ed3<\/li>\n<\/ul>\n<\/li>\n<li>\u4eff\u771f<\/li>\n<li>python\u4ee3\u7801&#xff08;RDA\u7b97\u6cd5&#xff09;<\/li>\n<li>\u53c2\u8003<\/li>\n<li>\n<ul>\n<li>\u53c2\u8003\u8d44\u6599&#xff1a;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>SAR\u6210\u50cf\u57fa\u7840<\/h2>\n<h3>\u7b80\u4ecb<\/h3>\n<p>SAR\u6210\u50cf&#xff0c;\u5168\u79f0\u4e3a\u5408\u6210\u5b54\u5f84\u96f7\u8fbe\u6210\u50cf&#xff08;Synthetic Aperture Radar&#xff09;\u3002SAR\u5229\u7528\u96f7\u8fbe\u5e73\u53f0&#xff08;\u98de\u673a\u3001\u536b\u661f\u3001\u65e0\u4eba\u673a\u7b49&#xff09;\u7684\u8fd0\u52a8&#xff0c;\u5728\u4e0d\u540c\u4f4d\u7f6e\u8fde\u7eed\u53d1\u5c04\u548c\u63a5\u6536\u4fe1\u53f7\u3002\u901a\u8fc7\u4fe1\u53f7\u5904\u7406\u7b97\u6cd5&#xff0c;\u628a\u8fd9\u4e9b\u4e0d\u540c\u4f4d\u7f6e\u91c7\u96c6\u7684\u56de\u6ce2\u201c\u5408\u6210\u201d\u51fa\u4e00\u4e2a\u7b49\u6548\u7684\u8d85\u5927\u5929\u7ebf&#xff08;\u5b54\u5f84&#xff09;&#xff0c;\u4ece\u800c\u5927\u5e45\u63d0\u9ad8\u65b9\u4f4d\u5411\u5206\u8fa8\u7387&#xff0c;\u8fbe\u5230\u4e0e\u5149\u5b66\u56fe\u50cf\u76f8\u5f53\u751a\u81f3\u66f4\u9ad8\u7684\u5206\u8fa8\u7387\u3002 \u57fa\u672c\u603b\u7ed3 \u901a\u8fc7\u8ddd\u79bb\u538b\u7f29 &#043; \u65b9\u4f4d\u538b\u7f29\u7b49\u4fe1\u53f7\u5904\u7406\u7b97\u6cd5&#xff0c;\u5f62\u6210\u4e8c\u7ef4\u9ad8\u5206\u8fa8\u7387\u56fe\u50cf\u3002<\/p>\n<ul>\n<li>\u5408\u6210\u5b54\u5f84\u96f7\u8fbe (Synthetic Aperture Radar) \u901a\u8fc7\u96f7\u8fbe\u5e73\u53f0\u8fd0\u52a8\u5408\u6210\u865a\u62df\u5927\u5929\u7ebf<\/li>\n<li>\u5168\u5929\u65f6\u3001\u5168\u5929\u5019\u83b7\u53d6\u9ad8\u5206\u8fa8\u7387\u4e8c\u7ef4\u56fe\u50cf<\/li>\n<li>\u8ddd\u79bb\u5411\u5206\u8fa8\u7387&#xff1a;\u4f9d\u9760\u53d1\u5c04\u5927\u5e26\u5bbd\u4fe1\u53f7&#xff08;\u5982\u7ebf\u6027\u8c03\u9891&#xff09;\u5b9e\u73b0<\/li>\n<li>\u65b9\u4f4d\u5411\u5206\u8fa8\u7387&#xff1a;\u4f9d\u9760\u5408\u6210\u5b54\u5f84\u957f\u5ea6\u83b7\u5f97&#xff0c;\u4e0e\u8ddd\u79bb\u65e0\u5173<\/li>\n<\/ul>\n<h3>\u57fa\u672c\u5de5\u4f5c\u6d41\u7a0b<\/h3>\n<ul>\n<li>\u8ddd\u79bb\u5411&#xff08;\u5782\u76f4\u4e8e\u98de\u884c\u65b9\u5411&#xff09;&#xff1a;\u96f7\u8fbe\u6cbf\u8f68\u8ff9\u8fd0\u52a8&#xff0c;\u5468\u671f\u6027\u8c03\u9891\u8109\u51b2&#xff0c;\u901a\u8fc7\u56de\u6ce2\u7684\u65f6\u95f4\u5ef6\u8fdf\u548c\u9891\u7387\u53d8\u5316&#xff0c;\u5206\u8fa8\u51fa\u76ee\u6807\u8fdc\u8fd1&#xff0c;\u8fd9\u53eb\u8109\u51b2\u538b\u7f29\u3002<\/li>\n<li>\u65b9\u4f4d\u5411&#xff08;\u6cbf\u98de\u884c\u8f68\u8ff9\u65b9\u5411&#xff09;&#xff1a;\u5229\u7528\u5e73\u53f0\u8fd0\u52a8&#xff0c;\u628a\u540c\u4e00\u76ee\u6807\u5728\u4e0d\u540c\u4f4d\u7f6e\u7684\u56de\u6ce2\u8fdb\u884c\u5339\u914d\u5904\u7406&#xff0c;\u7b49\u6548\u5f62\u6210\u957f\u5929\u7ebf&#xff0c;\u8fd9\u53eb\u5408\u6210\u5b54\u5f84\u5904\u7406\u3002 SAR \u6210\u50cf\u5de5\u4f5c\u793a\u610f\u56fe\u5982\u4e0b\u6240\u793a&#xff1a;<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726042523-6a658c3362280.jpg\" alt=\"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>\u7ebf\u6027\u8c03\u9891\u4fe1\u53f7\u4e0e\u8109\u51b2\u538b\u7f29<\/h2>\n<h3>\u8ddd\u79bb\u5411\u9ad8\u5206\u8fa8\u7684\u5173\u952e<\/h3>\n<ul>\n<li>\u53d1\u5c04\u4fe1\u53f7&#xff1a;\u7ebf\u6027\u8c03\u9891(LFM)\u8109\u51b2 <span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>          s<\/p>\n<p>          (<\/p>\n<p>          \u03c4<\/p>\n<p>          )<\/p>\n<p>          &#061;<\/p>\n<p>          rect<\/p>\n<p>           (<\/p>\n<p>            \u03c4<\/p>\n<p>             T<\/p>\n<p>             p<\/p>\n<p>           )<\/p>\n<p>          exp<\/p>\n<p>          \u2061<\/p>\n<p>           (<\/p>\n<p>           j<\/p>\n<p>           2<\/p>\n<p>           \u03c0<\/p>\n<p>            f<\/p>\n<p>            c<\/p>\n<p>           \u03c4<\/p>\n<p>           &#043;<\/p>\n<p>           j<\/p>\n<p>           \u03c0<\/p>\n<p>            K<\/p>\n<p>            r<\/p>\n<p>            \u03c4<\/p>\n<p>            2<\/p>\n<p>           )<\/p>\n<p>          s(\\\\tau) &#061; \\\\text{rect}\\\\left(\\\\frac{\\\\tau}{T_p}\\\\right) \\\\exp\\\\left(j2\\\\pi f_c\\\\tau &#043; j\\\\pi K_r\\\\tau^2\\\\right) <\/p>\n<p>      <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\">s<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1132em\">\u03c4<\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 2.4221em;vertical-align: -0.9721em\"><\/span><span class=\"mord text\"><span class=\"mord\">rect<\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"minner\"><span class=\"mopen delimcenter\" style=\"top: 0em\"><span class=\"delimsizing size3\">(<\/span><\/span><span class=\"mord\"><span class=\"mopen nulldelimiter\"><\/span><span class=\"mfrac\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.1076em\"><span class=\"\" style=\"top: -2.314em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.1389em\">T<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.1389em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">p<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2861em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -3.23em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"frac-line\" style=\"border-bottom-width: 0.04em\"><\/span><\/span><span class=\"\" style=\"top: -3.677em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.1132em\">\u03c4<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.9721em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mclose nulldelimiter\"><\/span><\/span><span class=\"mclose delimcenter\" style=\"top: 0em\"><span class=\"delimsizing size3\">)<\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mop\">exp<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"minner\"><span class=\"mopen delimcenter\" style=\"top: 0em\"><span class=\"delimsizing size1\">(<\/span><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0572em\">j<\/span><span class=\"mord\">2<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03c0<\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.1076em\">f<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.1076em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">c<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1132em\">\u03c4<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0572em\">j<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03c0<\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">K<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0715em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0278em\">r<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.1132em\">\u03c4<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8641em\"><span class=\"\" style=\"top: -3.113em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose delimcenter\" style=\"top: 0em\"><span class=\"delimsizing size1\">)<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span> <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>          T<\/p>\n<p>          p<\/p>\n<p>        T_p<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.9694em;vertical-align: -0.2861em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.1389em\">T<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.1389em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">p<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2861em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u4e3a\u8109\u51b2\u5bbd\u5ea6 ,<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>          f<\/p>\n<p>          c<\/p>\n<p>        f_c<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.8889em;vertical-align: -0.1944em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.1076em\">f<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.1076em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">c<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u4e3a\u8f7d\u9891, <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>          K<\/p>\n<p>          r<\/p>\n<p>        K_r<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.8333em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">K<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0715em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0278em\">r<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u4e3a\u8ddd\u79bb\u5411\u8c03\u9891\u7387, <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         \u03c4<\/p>\n<p>        \\\\tau<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.4306em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1132em\">\u03c4<\/span><\/span><\/span><\/span><\/span> \u4e3a\u8ddd\u79bb\u5411\u8109\u51b2\u65f6\u95f4, \u901a\u5e38\u53d6\u8109\u51b2\u4e2d\u5fc3\u4e3a\u53c2\u8003\u539f\u70b9.<\/li>\n<li>\u63a5\u6536\u56de\u6ce2\u901a\u8fc7\u5339\u914d\u6ee4\u6ce2&#xff08;\u8109\u51b2\u538b\u7f29&#xff09;\u5b9e\u73b0\u8ddd\u79bb\u5411\u805a\u7126<\/li>\n<li>\u8ddd\u79bb\u5206\u8fa8\u7387&#xff1a;<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>          \u03b4<\/p>\n<p>          r<\/p>\n<p>         &#061;<\/p>\n<p>          c<\/p>\n<p>           2<\/p>\n<p>           B<\/p>\n<p>        \\\\delta_r &#061; \\\\frac{c}{2B}<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.8444em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0379em\">\u03b4<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0379em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0278em\">r<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1.0404em;vertical-align: -0.345em\"><\/span><span class=\"mord\"><span class=\"mopen nulldelimiter\"><\/span><span class=\"mfrac\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.6954em\"><span class=\"\" style=\"top: -2.655em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mtight\">2<\/span><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0502em\">B<\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -3.23em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"frac-line\" style=\"border-bottom-width: 0.04em\"><\/span><\/span><span class=\"\" style=\"top: -3.394em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">c<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.345em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mclose nulldelimiter\"><\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<h3>\u65b9\u4f4d\u5411\u5904\u7406<\/h3>\n<ul>\n<li>\u65b9\u4f4d\u5411\u56de\u6ce2\u4ea6\u4e3a\u8fd1\u4f3c\u7ebf\u6027\u8c03\u9891\u4fe1\u53f7<\/li>\n<li>\u5229\u7528\u591a\u666e\u52d2\u5386\u53f2\u8fdb\u884c\u65b9\u4f4d\u538b\u7f29&#xff0c;\u83b7\u5f97\u65b9\u4f4d\u5206\u8fa8\u7387 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>          \u03b4<\/p>\n<p>          a<\/p>\n<p>         &#061;<\/p>\n<p>          L<\/p>\n<p>          2<\/p>\n<p>        \\\\delta_a &#061; \\\\frac{L}{2}<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.8444em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0379em\">\u03b4<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0379em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">a<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1.2173em;vertical-align: -0.345em\"><\/span><span class=\"mord\"><span class=\"mopen nulldelimiter\"><\/span><span class=\"mfrac\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8723em\"><span class=\"\" style=\"top: -2.655em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -3.23em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"frac-line\" style=\"border-bottom-width: 0.04em\"><\/span><\/span><span class=\"\" style=\"top: -3.394em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">L<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.345em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mclose nulldelimiter\"><\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<h2>SAR\u56de\u6ce2\u4fe1\u53f7\u6a21\u578b<\/h2>\n<h3>\u70b9\u76ee\u6807\u56de\u6ce2<\/h3>\n<ul>\n<li>\u7ecf\u6b63\u4ea4\u89e3\u8c03\u540e&#xff0c;\u57fa\u5e26\u56de\u6ce2\u4e3a\u4e8c\u7ef4\u4fe1\u53f7&#xff1a; <span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>           s<\/p>\n<p>           0<\/p>\n<p>          (<\/p>\n<p>          \u03c4<\/p>\n<p>          ,<\/p>\n<p>          \u03b7<\/p>\n<p>          )<\/p>\n<p>          &#061;<\/p>\n<p>          A<\/p>\n<p>          \u22c5<\/p>\n<p>           w<\/p>\n<p>           r<\/p>\n<p>           (<\/p>\n<p>           \u03c4<\/p>\n<p>           \u2212<\/p>\n<p>             2<\/p>\n<p>             R<\/p>\n<p>             (<\/p>\n<p>             \u03b7<\/p>\n<p>             )<\/p>\n<p>            c<\/p>\n<p>           )<\/p>\n<p>           w<\/p>\n<p>           a<\/p>\n<p>          (<\/p>\n<p>          \u03b7<\/p>\n<p>          \u2212<\/p>\n<p>           \u03b7<\/p>\n<p>           c<\/p>\n<p>          )<\/p>\n<p>          s_0(\\\\tau, \\\\eta) &#061; A\\\\cdot w_r\\\\left(\\\\tau &#8211; \\\\frac{2R(\\\\eta)}{c}\\\\right) w_a(\\\\eta &#8211; \\\\eta_c) <\/p>\n<p>      <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">s<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">0<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1132em\">\u03c4<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03b7<\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\">A<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u22c5<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 2.4em;vertical-align: -0.95em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0269em\">w<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0269em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0278em\">r<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"minner\"><span class=\"mopen delimcenter\" style=\"top: 0em\"><span class=\"delimsizing size3\">(<\/span><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1132em\">\u03c4<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u2212<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mord\"><span class=\"mopen nulldelimiter\"><\/span><span class=\"mfrac\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.427em\"><span class=\"\" style=\"top: -2.314em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">c<\/span><\/span><\/span><span class=\"\" style=\"top: -3.23em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"frac-line\" style=\"border-bottom-width: 0.04em\"><\/span><\/span><span class=\"\" style=\"top: -3.677em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord\">2<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0077em\">R<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03b7<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.686em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mclose nulldelimiter\"><\/span><\/span><span class=\"mclose delimcenter\" style=\"top: 0em\"><span class=\"delimsizing size3\">)<\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0269em\">w<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0269em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">a<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03b7<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u2212<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03b7<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">c<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span><\/span> <span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>          \u00d7<\/p>\n<p>          exp<\/p>\n<p>          \u2061<\/p>\n<p>           (<\/p>\n<p>           \u2212<\/p>\n<p>           j<\/p>\n<p>             4<\/p>\n<p>             \u03c0<\/p>\n<p>              f<\/p>\n<p>              c<\/p>\n<p>             R<\/p>\n<p>             (<\/p>\n<p>             \u03b7<\/p>\n<p>             )<\/p>\n<p>            c<\/p>\n<p>           )<\/p>\n<p>          exp<\/p>\n<p>          \u2061<\/p>\n<p>           (<\/p>\n<p>           j<\/p>\n<p>           \u03c0<\/p>\n<p>            K<\/p>\n<p>            r<\/p>\n<p>             (<\/p>\n<p>             \u03c4<\/p>\n<p>             \u2212<\/p>\n<p>               2<\/p>\n<p>               R<\/p>\n<p>               (<\/p>\n<p>               \u03b7<\/p>\n<p>               )<\/p>\n<p>              c<\/p>\n<p>             )<\/p>\n<p>            2<\/p>\n<p>           )<\/p>\n<p>          \\\\times \\\\exp\\\\left(-j\\\\frac{4\\\\pi f_c R(\\\\eta)}{c}\\\\right) \\\\exp\\\\left(j\\\\pi K_r \\\\left(\\\\tau &#8211; \\\\frac{2R(\\\\eta)}{c}\\\\right)^2\\\\right) <\/p>\n<p>      <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 3em;vertical-align: -1.25em\"><\/span><span class=\"mord\">\u00d7<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mop\">exp<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"minner\"><span class=\"mopen delimcenter\" style=\"top: 0em\"><span class=\"delimsizing size3\">(<\/span><\/span><span class=\"mord\">\u2212<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0572em\">j<\/span><span class=\"mord\"><span class=\"mopen nulldelimiter\"><\/span><span class=\"mfrac\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.427em\"><span class=\"\" style=\"top: -2.314em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">c<\/span><\/span><\/span><span class=\"\" style=\"top: -3.23em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"frac-line\" style=\"border-bottom-width: 0.04em\"><\/span><\/span><span class=\"\" style=\"top: -3.677em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord\">4<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03c0<\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.1076em\">f<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.1076em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">c<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0077em\">R<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03b7<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.686em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mclose nulldelimiter\"><\/span><\/span><span class=\"mclose delimcenter\" style=\"top: 0em\"><span class=\"delimsizing size3\">)<\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mop\">exp<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"minner\"><span class=\"mopen delimcenter\" style=\"top: 0em\"><span class=\"delimsizing size4\">(<\/span><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0572em\">j<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03c0<\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">K<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0715em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0278em\">r<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"minner\"><span class=\"minner\"><span class=\"mopen delimcenter\" style=\"top: 0em\"><span class=\"delimsizing size3\">(<\/span><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1132em\">\u03c4<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u2212<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mord\"><span class=\"mopen nulldelimiter\"><\/span><span class=\"mfrac\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.427em\"><span class=\"\" style=\"top: -2.314em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">c<\/span><\/span><\/span><span class=\"\" style=\"top: -3.23em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"frac-line\" style=\"border-bottom-width: 0.04em\"><\/span><\/span><span class=\"\" style=\"top: -3.677em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord\">2<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0077em\">R<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03b7<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.686em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mclose nulldelimiter\"><\/span><\/span><span class=\"mclose delimcenter\" style=\"top: 0em\"><span class=\"delimsizing size3\">)<\/span><\/span><\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.654em\"><span class=\"\" style=\"top: -3.9029em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose delimcenter\" style=\"top: 0em\"><span class=\"delimsizing size4\">)<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n<li>\u77ac\u65f6\u659c\u8ddd&#xff1a;<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>         R<\/p>\n<p>         (<\/p>\n<p>         \u03b7<\/p>\n<p>         )<\/p>\n<p>         &#061;<\/p>\n<p>            R<\/p>\n<p>            0<\/p>\n<p>            2<\/p>\n<p>           &#043;<\/p>\n<p>            v<\/p>\n<p>            2<\/p>\n<p>            \u03b7<\/p>\n<p>            2<\/p>\n<p>        R(\\\\eta) &#061; \\\\sqrt{R_0^2 &#043; v^2\\\\eta^2}<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0077em\">R<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03b7<\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1.24em;vertical-align: -0.2902em\"><\/span><span class=\"mord sqrt\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.9498em\"><span class=\"svg-align\" style=\"top: -3.2em\"><span class=\"pstrut\" style=\"height: 3.2em\"><\/span><span class=\"mord\" style=\"padding-left: 1em\"><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0077em\">R<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.7959em\"><span class=\"\" style=\"top: -2.4337em;margin-left: -0.0077em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">0<\/span><\/span><\/span><span class=\"\" style=\"top: -3.0448em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2663em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">v<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.7401em\"><span class=\"\" style=\"top: -2.989em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03b7<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.7401em\"><span class=\"\" style=\"top: -2.989em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -2.9098em\"><span class=\"pstrut\" style=\"height: 3.2em\"><\/span><span class=\"hide-tail\" style=\"min-width: 1.02em;height: 1.28em\"><\/p>\n<p>            <\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2902em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span> &#xff08;\u6b63\u4fa7\u89c6\u7b80\u5316\u4e3a\u53cc\u66f2\u7ebf&#xff09;<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726042523-6a658c338b98c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5728\u4f4e\u659c\u89c6\u89d2\u4e0b, <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        R<\/p>\n<p>        (<\/p>\n<p>        \u03b7<\/p>\n<p>        )<\/p>\n<p>       R(\\\\eta)<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0077em\">R<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03b7<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span> \u53ef\u7531\u83f2\u6d85\u5c14\u8fd1\u4f3c\u4e3a: <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        R<\/p>\n<p>        (<\/p>\n<p>        \u03b7<\/p>\n<p>        )<\/p>\n<p>        &#061;<\/p>\n<p>         R<\/p>\n<p>         0<\/p>\n<p>        &#043;<\/p>\n<p>          (<\/p>\n<p>          V<\/p>\n<p>          \u03b7<\/p>\n<p>           )<\/p>\n<p>           2<\/p>\n<p>          2<\/p>\n<p>           R<\/p>\n<p>           0<\/p>\n<p>       R(\\\\eta) &#061; R_0 &#043; \\\\frac{(V\\\\eta)^2}{2R_0}<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0077em\">R<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03b7<\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.8333em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0077em\">R<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0077em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">0<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1.554em;vertical-align: -0.4451em\"><\/span><span class=\"mord\"><span class=\"mopen nulldelimiter\"><\/span><span class=\"mfrac\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.1089em\"><span class=\"\" style=\"top: -2.655em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mtight\">2<\/span><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0077em\">R<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3173em\"><span class=\"\" style=\"top: -2.357em;margin-left: -0.0077em;margin-right: 0.0714em\"><span class=\"pstrut\" style=\"height: 2.5em\"><\/span><span class=\"sizing reset-size3 size1 mtight\"><span class=\"mord mtight\">0<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.143em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -3.23em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"frac-line\" style=\"border-bottom-width: 0.04em\"><\/span><\/span><span class=\"\" style=\"top: -3.485em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mopen mtight\">(<\/span><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.2222em\">V<\/span><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0359em\">\u03b7<\/span><span class=\"mclose mtight\"><span class=\"mclose mtight\">)<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8913em\"><span class=\"\" style=\"top: -2.931em;margin-right: 0.0714em\"><span class=\"pstrut\" style=\"height: 2.5em\"><\/span><span class=\"sizing reset-size3 size1 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.4451em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mclose nulldelimiter\"><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<h2>\u8ddd\u79bb\u5f99\u52a8<\/h2>\n<h3>\u8ddd\u79bb\u5f99\u52a8(Range Cell Migration, RCM)<\/h3>\n<ul>\n<li>\u5f53\u96f7\u8fbe\u5e73\u53f0\u4ee5\u6052\u5b9a\u901f\u5ea6v\u98de\u884c\u65f6&#xff0c;\u96f7\u8fbe\u4e0e\u76ee\u6807\u7684\u77ac\u65f6\u659c\u8ddd&#xff0c;\u4f1a\u968f\u7740\u96f7\u8fbe\u5e73\u53f0\u7684\u8fd0\u52a8\u800c\u4e0d\u65ad\u53d8\u5316\u3002<\/li>\n<li>\u77ac\u65f6\u659c\u8ddd&#xff1a;<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>         R<\/p>\n<p>         (<\/p>\n<p>         \u03b7<\/p>\n<p>         )<\/p>\n<p>         &#061;<\/p>\n<p>            R<\/p>\n<p>            0<\/p>\n<p>            2<\/p>\n<p>           &#043;<\/p>\n<p>            v<\/p>\n<p>            2<\/p>\n<p>            \u03b7<\/p>\n<p>            2<\/p>\n<p>        R(\\\\eta) &#061; \\\\sqrt{R_0^2 &#043; v^2\\\\eta^2}<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0077em\">R<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03b7<\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1.24em;vertical-align: -0.2902em\"><\/span><span class=\"mord sqrt\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.9498em\"><span class=\"svg-align\" style=\"top: -3.2em\"><span class=\"pstrut\" style=\"height: 3.2em\"><\/span><span class=\"mord\" style=\"padding-left: 1em\"><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0077em\">R<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.7959em\"><span class=\"\" style=\"top: -2.4337em;margin-left: -0.0077em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">0<\/span><\/span><\/span><span class=\"\" style=\"top: -3.0448em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2663em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">v<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.7401em\"><span class=\"\" style=\"top: -2.989em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03b7<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.7401em\"><span class=\"\" style=\"top: -2.989em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -2.9098em\"><span class=\"pstrut\" style=\"height: 3.2em\"><\/span><span class=\"hide-tail\" style=\"min-width: 1.02em;height: 1.28em\"><\/p>\n<p>            <\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2902em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span> &#xff08;\u6b63\u4fa7\u89c6\u7b80\u5316\u4e3a\u53cc\u66f2\u7ebf&#xff09;<\/li>\n<li>\u5f53\u8fd9\u4e2a\u659c\u8ddd\u53d8\u5316\u91cf\u8d85\u8fc7\u4e00\u4e2a\u8ddd\u79bb\u5206\u8fa8\u5355\u5143\u65f6&#xff0c;\u76ee\u6807\u7684\u56de\u6ce2\u5305\u7edc\u5c31\u4f1a\u5728\u201c\u8ddd\u79bb\u5411\u201d&#xff08;\u5feb\u65f6\u95f4&#xff09;\u4e0a\u8de8\u5355\u5143\u79fb\u52a8&#xff0c;\u8fd9\u5c31\u662f\u8ddd\u79bb\u5f99\u52a8\u3002<\/li>\n<li>\u7ed3\u679c\u5c31\u662f&#xff1a;\u540c\u4e00\u4e2a\u70b9\u76ee\u6807\u7684\u56de\u6ce2&#xff0c;\u5728\u591a\u6b21\u8109\u51b2\u95f4&#xff0c;\u51fa\u73b0\u5728\u4e0d\u540c\u7684\u8ddd\u79bb\u91c7\u6837\u70b9\u4e0a&#xff0c;\u4eff\u4f5b\u5728\u201c\u8fdc\u3001\u8fd1\u201d\u4e4b\u95f4\u8fc1\u5f99\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726042523-6a658c33a0e9b.png\" alt=\"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\" \/><\/li>\n<\/ul>\n<h4>\u8ddd\u79bb\u5f99\u52a8\u5206\u91cf<\/h4>\n<li>\u8ddd\u79bb\u8d70\u52a8&#xff08;Range Walk&#xff09; \u7531\u96f7\u8fbe\u4e0e\u76ee\u6807\u7684\u76f8\u5bf9\u5f84\u5411\u901f\u5ea6\u5f15\u8d77\u7684\u7ebf\u6027\u5206\u91cf\u3002\u5728\u5927\u659c\u89c6\u89d2\u4e0b\u975e\u5e38\u663e\u8457&#xff0c;\u56de\u6ce2\u8f68\u8ff9\u662f\u4e00\u6761\u659c\u7ebf\u3002<\/li>\n<li>\u8ddd\u79bb\u5f2f\u66f2&#xff08;Range Curvature&#xff09; \u659c\u8ddd\u53d8\u5316\u4e2d\u7684\u9ad8\u9636&#xff08;\u4e3b\u8981\u662f\u4e8c\u6b21&#xff09;\u5206\u91cf&#xff0c;\u4f7f\u56de\u6ce2\u8f68\u8ff9\u5f2f\u66f2\u3002\u6b63\u4fa7\u89c6\u65f6&#xff0c;\u8d70\u52a8\u4e3a\u96f6&#xff0c;\u4e3b\u8981\u4f53\u73b0\u4e3a\u5f2f\u66f2&#xff1b;\u9ad8\u5206\u8fa8\u7387\u3001\u957f\u6ce2\u957f\u6216\u5927\u573a\u666f\u8fb9\u7f18\u65f6\u5f2f\u66f2\u66f4\u660e\u663e\u3002<\/li>\n<h3>RCM\u6821\u6b63<\/h3>\n<p>\u5982\u679c\u4e0d\u5bf9\u8ddd\u79bb\u5f99\u52a8\u8fdb\u884c\u6821\u6b63&#xff0c;\u70b9\u76ee\u6807\u7684\u80fd\u91cf\u4f1a\u6563\u5e03\u5728\u82e5\u5e72\u4e2a\u8ddd\u79bb\u5355\u5143\u4e0a&#xff0c;\u5bfc\u81f4&#xff1a; \u00b7 \u65b9\u4f4d\u5411\u65e0\u6cd5\u6709\u6548\u538b\u7f29&#xff08;\u5339\u914d\u6ee4\u6ce2\u5931\u914d&#xff09; \u00b7 \u56fe\u50cf\u51fa\u73b0\u4e25\u91cd\u6563\u7126\u3001\u51e0\u4f55\u5931\u771f\u548c\u5206\u8fa8\u7387\u4e0b\u964d \u00b7 \u76ee\u6807\u65c1\u74e3\u5347\u9ad8&#xff0c;\u4fe1\u566a\u6bd4\u6076\u5316<\/p>\n<p>\u56e0\u6b64&#xff0c;\u8ddd\u79bb\u5f99\u52a8\u6821\u6b63&#xff08;RCMC&#xff09; \u662fSAR\u6210\u50cf\u7b97\u6cd5&#xff08;\u5982\u8ddd\u79bb\u591a\u666e\u52d2\u7b97\u6cd5RDA\u3001Chirp Scaling\u7b97\u6cd5\u7b49&#xff09;\u4e2d\u4e0d\u53ef\u7f3a\u5c11\u7684\u6b65\u9aa4&#xff0c;\u901a\u5e38\u662f\u5728\u8ddd\u79bb\u591a\u666e\u52d2\u57df\u8fdb\u884c\u8ddd\u79bb\u63d2\u503c, \u53ef\u4ee5\u57fa\u4e8e<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        (<\/p>\n<p>        s<\/p>\n<p>        i<\/p>\n<p>        n<\/p>\n<p>        c<\/p>\n<p>        )<\/p>\n<p>       (sinc)<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\">s<\/span><span class=\"mord mathnormal\">in<\/span><span class=\"mord mathnormal\">c<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span> \u51fd\u6570\u8fdb\u884c\u63d2\u503c\u5904\u7406. \u9700\u8981\u6821\u6b63\u7684 RCM \u4e3a\u65b9\u4f4d\u9891\u7387 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        (<\/p>\n<p>        f<\/p>\n<p>        \u03b7<\/p>\n<p>        )<\/p>\n<p>       (f\\\\eta)<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1076em\">f<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03b7<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span>\u7684\u51fd\u6570, \u4e5f\u662f <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        (<\/p>\n<p>         R<\/p>\n<p>         0<\/p>\n<p>        )<\/p>\n<p>       (R_0)<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mopen\">(<\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0077em\">R<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0077em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">0<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span>\u7684\u51fd\u6570: <span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         \u0394<\/p>\n<p>         R<\/p>\n<p>         (<\/p>\n<p>          f<\/p>\n<p>          \u03b7<\/p>\n<p>         )<\/p>\n<p>         &#061;<\/p>\n<p>            \u03bb<\/p>\n<p>            2<\/p>\n<p>            R<\/p>\n<p>            0<\/p>\n<p>            f<\/p>\n<p>            \u03b7<\/p>\n<p>            2<\/p>\n<p>           8<\/p>\n<p>            V<\/p>\n<p>            r<\/p>\n<p>            2<\/p>\n<p>        \\\\Delta R(f_\\\\eta) &#061; \\\\frac{\\\\lambda^2R_0f_\\\\eta^2}{8V_r^2}<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1.0361em;vertical-align: -0.2861em\"><\/span><span class=\"mord\">\u0394<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0077em\">R<\/span><span class=\"mopen\">(<\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.1076em\">f<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.1076em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0359em\">\u03b7<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2861em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 2.5202em;vertical-align: -0.933em\"><\/span><span class=\"mord\"><span class=\"mopen nulldelimiter\"><\/span><span class=\"mfrac\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.5872em\"><span class=\"\" style=\"top: -2.314em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord\">8<\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.2222em\">V<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.7401em\"><span class=\"\" style=\"top: -2.453em;margin-left: -0.2222em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0278em\">r<\/span><\/span><\/span><span class=\"\" style=\"top: -2.989em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.247em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -3.23em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"frac-line\" style=\"border-bottom-width: 0.04em\"><\/span><\/span><span class=\"\" style=\"top: -3.7731em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord\"><span class=\"mord mathnormal\">\u03bb<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8141em\"><span class=\"\" style=\"top: -3.063em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0077em\">R<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0077em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">0<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.1076em\">f<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8141em\"><span class=\"\" style=\"top: -2.453em;margin-left: -0.1076em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0359em\">\u03b7<\/span><\/span><\/span><span class=\"\" style=\"top: -3.063em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3831em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.933em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mclose nulldelimiter\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span>. \u8ddd\u79bb\u5f99\u52a8\u6821\u6b63\u56e0\u5b50&#xff1a; <span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         D<\/p>\n<p>         (<\/p>\n<p>          f<\/p>\n<p>          \u03b7<\/p>\n<p>         ,<\/p>\n<p>          V<\/p>\n<p>          r<\/p>\n<p>         )<\/p>\n<p>         &#061;<\/p>\n<p>           1<\/p>\n<p>           \u2212<\/p>\n<p>              c<\/p>\n<p>              2<\/p>\n<p>              f<\/p>\n<p>              \u03b7<\/p>\n<p>              2<\/p>\n<p>             4<\/p>\n<p>              V<\/p>\n<p>              r<\/p>\n<p>              2<\/p>\n<p>              f<\/p>\n<p>              0<\/p>\n<p>              2<\/p>\n<p>         &#061;<\/p>\n<p>           1<\/p>\n<p>           \u2212<\/p>\n<p>              \u03bb<\/p>\n<p>              2<\/p>\n<p>              f<\/p>\n<p>              \u03b7<\/p>\n<p>              2<\/p>\n<p>             4<\/p>\n<p>              V<\/p>\n<p>              r<\/p>\n<p>              2<\/p>\n<p>        D(f_{\\\\eta}, V_r) &#061; \\\\sqrt{1-\\\\frac{c^2f_{\\\\eta}^2}{4V_r^2f_0^2}} &#061; \\\\sqrt{1- \\\\frac{\\\\lambda^2f_{\\\\eta}^2 }{4V_r^2}}<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1.0361em;vertical-align: -0.2861em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">D<\/span><span class=\"mopen\">(<\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.1076em\">f<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.1076em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0359em\">\u03b7<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2861em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.2222em\">V<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.2222em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0278em\">r<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 3.04em;vertical-align: -1.1257em\"><\/span><span class=\"mord sqrt\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.9143em\"><span class=\"svg-align\" style=\"top: -5em\"><span class=\"pstrut\" style=\"height: 5em\"><\/span><span class=\"mord\" style=\"padding-left: 1em\"><span class=\"mord\">1<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u2212<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mord\"><span class=\"mopen nulldelimiter\"><\/span><span class=\"mfrac\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.5132em\"><span class=\"\" style=\"top: -2.314em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord\">4<\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.2222em\">V<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.7401em\"><span class=\"\" style=\"top: -2.453em;margin-left: -0.2222em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0278em\">r<\/span><\/span><\/span><span class=\"\" style=\"top: -2.989em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.247em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.1076em\">f<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.7959em\"><span class=\"\" style=\"top: -2.4337em;margin-left: -0.1076em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">0<\/span><\/span><\/span><span class=\"\" style=\"top: -3.0448em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2663em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -3.23em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"frac-line\" style=\"border-bottom-width: 0.04em\"><\/span><\/span><span class=\"\" style=\"top: -3.7731em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord\"><span class=\"mord mathnormal\">c<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.7401em\"><span class=\"\" style=\"top: -2.989em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.1076em\">f<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.7401em\"><span class=\"\" style=\"top: -2.453em;margin-left: -0.1076em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0359em\">\u03b7<\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -2.989em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3831em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.9523em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mclose nulldelimiter\"><\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -3.8743em\"><span class=\"pstrut\" style=\"height: 5em\"><\/span><span class=\"hide-tail\" style=\"min-width: 1.02em;height: 3.08em\"><\/p>\n<p>            <\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.1257em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 3.04em;vertical-align: -1.116em\"><\/span><span class=\"mord sqrt\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.924em\"><span class=\"svg-align\" style=\"top: -5em\"><span class=\"pstrut\" style=\"height: 5em\"><\/span><span class=\"mord\" style=\"padding-left: 1em\"><span class=\"mord\">1<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u2212<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mord\"><span class=\"mopen nulldelimiter\"><\/span><span class=\"mfrac\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.5132em\"><span class=\"\" style=\"top: -2.314em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord\">4<\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.2222em\">V<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.7401em\"><span class=\"\" style=\"top: -2.453em;margin-left: -0.2222em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0278em\">r<\/span><\/span><\/span><span class=\"\" style=\"top: -2.989em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.247em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -3.23em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"frac-line\" style=\"border-bottom-width: 0.04em\"><\/span><\/span><span class=\"\" style=\"top: -3.7731em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord\"><span class=\"mord mathnormal\">\u03bb<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.7401em\"><span class=\"\" style=\"top: -2.989em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.1076em\">f<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.7401em\"><span class=\"\" style=\"top: -2.453em;margin-left: -0.1076em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0359em\">\u03b7<\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -2.989em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3831em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.933em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mclose nulldelimiter\"><\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -3.884em\"><span class=\"pstrut\" style=\"height: 5em\"><\/span><span class=\"hide-tail\" style=\"min-width: 1.02em;height: 3.08em\"><\/p>\n<p>            <\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.116em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<h2>\u6210\u50cf\u7b97\u6cd5\u7b80\u4ecb<\/h2>\n<h3>\u8ddd\u79bb\u591a\u666e\u52d2\u7b97\u6cd5 (RDA)<\/h3>\n<p>\u57fa\u672c\u539f\u7406 \u8ddd\u79bb\u591a\u666e\u52d2\u7b97\u6cd5&#xff08;Range-Doppler Algorithm&#xff0c;RDA&#xff09;\u662f\u5408\u6210\u5b54\u5f84\u96f7\u8fbe&#xff08;SAR&#xff09;\u6210\u50cf\u4e2d\u6700\u7ecf\u5178\u3001\u6700\u6210\u719f\u7684\u9891\u57df\u6210\u50cf\u7b97\u6cd5\u3002\u5b83\u7684\u6838\u5fc3\u601d\u60f3\u662f\u5c06\u4e8c\u7ef4\u7684\u5339\u914d\u6ee4\u6ce2\u5206\u89e3\u4e3a\u8ddd\u79bb\u5411\u548c\u65b9\u4f4d\u5411\u7684\u7ea7\u8054\u5904\u7406&#xff0c;\u5e76\u5728\u8ddd\u79bb-\u591a\u666e\u52d2\u57df\u901a\u8fc7\u63d2\u503c\u9ad8\u6548\u6821\u6b63\u8ddd\u79bb\u5f99\u52a8&#xff0c;\u4ece\u800c\u5b9e\u73b0\u9ad8\u6548\u7cbe\u786e\u6210\u50cf\u3002<\/p>\n<h4>\u7b97\u6cd5\u6d41\u7a0b<\/h4>\n<ul>\n<li>\n<li>\u8ddd\u79bb\u538b\u7f29<\/li>\n<\/li>\n<\/ul>\n<p>\u96f7\u8fbe\u63a5\u6536\u5230\u7684\u539f\u59cb\u56de\u6ce2\u662f\u76ee\u6807\u6563\u5c04\u7cfb\u6570\u4e0e\u53d1\u5c04\u4fe1\u53f7\u4e8c\u7ef4\u5377\u79ef\u7684\u7ed3\u679c\u3002\u8ddd\u79bb\u538b\u7f29\u5c31\u662f\u628a\u56de\u6ce2\u4fe1\u53f7\u5728\u5feb\u65f6\u95f4&#xff08;\u8ddd\u79bb\u5411&#xff09;\u4e0e\u53d1\u5c04\u4fe1\u53f7\u7684\u590d\u5171\u8f6d\u8fdb\u884c\u5339\u914d\u6ee4\u6ce2&#xff0c;\u5c06\u7ebf\u6027\u8c03\u9891\u8109\u51b2\u538b\u7f29\u6210\u7a84\u8109\u51b2&#xff0c;\u5b9e\u73b0\u8ddd\u79bb\u5411\u9ad8\u5206\u8fa8\u7387\u3002\u901a\u5e38\u8fd9\u4e00\u6b65\u9aa4\u5728\u8ddd\u79bb\u9891\u57df&#xff08;\u6216\u65f6\u57df&#xff09;\u5b8c\u6210&#xff0c;\u4e4b\u540e\u5f97\u5230\u201c\u8ddd\u79bb\u538b\u7f29\u540e\u3001\u65b9\u4f4d\u672a\u538b\u7f29\u201d\u7684\u6570\u636e\u57df\u3002<\/p>\n<ul>\n<li>\n<li>\u65b9\u4f4d\u5411FFT&#xff0c;\u8fdb\u5165\u8ddd\u79bb-\u591a\u666e\u52d2\u57df<\/li>\n<\/li>\n<\/ul>\n<p>\u5bf9\u8ddd\u79bb\u538b\u7f29\u540e\u7684\u6570\u636e\u6cbf\u65b9\u4f4d\u5411&#xff08;\u6162\u65f6\u95f4&#xff09;\u505a\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362&#xff08;FFT&#xff09;&#xff0c;\u53d8\u6362\u5230\u8ddd\u79bb-\u591a\u666e\u52d2\u57df\u3002 \u5728\u8fd9\u4e2a\u57df\u91cc&#xff1a;\u6a2a\u8f74\u662f\u591a\u666e\u52d2\u9891\u7387&#xff08;\u65b9\u4f4d\u9891\u7387&#xff09;&#xff0c;\u7eb5\u8f74\u662f\u8ddd\u79bb\u5411\u65f6\u95f4&#xff08;\u6216\u659c\u8ddd&#xff09; \u6b64\u65f6&#xff0c;\u7531\u4e8e\u96f7\u8fbe\u4e0e\u76ee\u6807\u4e4b\u95f4\u76f8\u5bf9\u8fd0\u52a8\u5bfc\u81f4\u7684\u8ddd\u79bb\u53d8\u5316&#xff0c;\u4f1a\u4f7f\u540c\u4e00\u4e2a\u70b9\u76ee\u6807\u7684\u8f68\u8ff9\u5728\u8ddd\u79bb-\u591a\u666e\u52d2\u57df\u8868\u73b0\u4e3a\u4e00\u6761\u8ddd\u79bb\u5f99\u52a8\u66f2\u7ebf\u3002\u8fd9\u5c31\u662f\u9700\u8981\u6821\u6b63\u7684\u201c\u8ddd\u79bb\u5f99\u52a8\u201d\u3002<\/p>\n<ul>\n<li>\n<li>\u8ddd\u79bb\u5f99\u52a8\u6821\u6b63&#xff08;RCMC&#xff09;<\/li>\n<\/li>\n<\/ul>\n<p>\u8ddd\u79bb\u5f99\u52a8\u662fSAR\u6210\u50cf\u4e2d\u7279\u6709\u7684\u73b0\u8c61&#xff1a;\u96f7\u8fbe\u4e0e\u76ee\u6807\u7684\u659c\u8ddd\u968f\u65b9\u4f4d\u65f6\u95f4\u53d8\u5316&#xff0c;\u5bfc\u81f4\u540c\u4e00\u76ee\u6807\u7684\u80fd\u91cf\u5728\u8ddd\u79bb\u538b\u7f29\u540e\u6563\u5e03\u5728\u591a\u4e2a\u8ddd\u79bb\u95e8\u4e0a\u3002\u5728\u8ddd\u79bb-\u591a\u666e\u52d2\u57df&#xff0c;\u540c\u4e00\u65b9\u4f4d\u9891\u7387\u5904&#xff0c;\u6240\u6709\u76ee\u6807\u7684\u8ddd\u79bb\u5f99\u52a8\u91cf\u5b8c\u5168\u76f8\u540c&#xff08;\u53ea\u4f9d\u8d56\u4e8e\u591a\u666e\u52d2\u9891\u7387&#xff09;&#xff0c;\u8fd9\u4e00\u7279\u6027\u88ab\u79f0\u4e3a\u201c\u8ddd\u79bb\u5f99\u52a8\u5728\u8ddd\u79bb-\u591a\u666e\u52d2\u57df\u7684\u7a7a\u4e0d\u53d8\u6027\u201d\u3002 \u8ddd\u79bb\u5f99\u52a8\u6821\u6b63\u5c31\u662f\u5728\u8fd9\u4e2a\u57df&#xff0c;\u6839\u636e\u591a\u666e\u52d2\u9891\u7387\u8ba1\u7b97\u51fa\u5f99\u52a8\u91cf&#xff0c;\u7136\u540e\u5bf9\u8ddd\u79bb\u5411\u6570\u636e\u8fdb\u884c\u63d2\u503c\u5e73\u79fb&#xff0c;\u5c06\u80fd\u91cf\u642c\u56de\u6b63\u786e\u7684\u8ddd\u79bb\u95e8\u3002\u5e38\u7528\u7684\u63d2\u503c\u65b9\u6cd5\u6709sinc\u63d2\u503c\u7b49\u3002\u8fd9\u4e00\u6b65\u9aa4\u662fRDA\u7684\u7cbe\u9ad3&#xff0c;\u5c06\u4e8c\u7ef4\u8026\u5408\u7684\u95ee\u9898\u89e3\u8026&#xff0c;\u4f7f\u540e\u7eed\u65b9\u4f4d\u538b\u7f29\u53ef\u4ee5\u72ec\u7acb\u8fdb\u884c\u3002<\/p>\n<ul>\n<li>\n<li>\u65b9\u4f4d\u538b\u7f29<\/li>\n<\/li>\n<\/ul>\n<p>\u7ecf\u8fc7\u8ddd\u79bb\u5f99\u52a8\u6821\u6b63\u540e&#xff0c;\u540c\u4e00\u76ee\u6807\u7684\u80fd\u91cf\u5df2\u7ecf\u5bf9\u9f50\u5728\u4e00\u6761\u76f4\u7ebf\u4e0a&#xff08;\u540c\u4e00\u4e2a\u8ddd\u79bb\u95e8&#xff09;&#xff0c;\u6b64\u65f6\u65b9\u4f4d\u5411\u7b49\u6548\u4e3a\u4e00\u4e2a\u7ebf\u6027\u8c03\u9891\u4fe1\u53f7\u3002\u65b9\u4f4d\u538b\u7f29\u5c31\u662f\u5728\u8ddd\u79bb-\u591a\u666e\u52d2\u57df&#xff0c;\u5c06\u65b9\u4f4d\u4fe1\u53f7\u4e0e\u4e00\u4e2a\u4e0e\u591a\u666e\u52d2\u9891\u7387\u76f8\u5173\u7684\u5339\u914d\u6ee4\u6ce2\u5668\u76f8\u4e58&#xff08;\u9891\u57df\u5339\u914d\u6ee4\u6ce2&#xff09;&#xff0c;\u8fd9\u4e2a\u5339\u914d\u6ee4\u6ce2\u5668\u7684\u76f8\u4f4d\u5c31\u662f\u65b9\u4f4d\u5411\u8c03\u9891\u7387\u51b3\u5b9a\u7684\u4e8c\u6b21\u76f8\u4f4d\u3002 \u76f8\u4e58\u540e&#xff0c;\u505a\u65b9\u4f4d\u5411\u9006FFT&#xff08;IFFT&#xff09;&#xff0c;\u5c06\u6570\u636e\u53d8\u56de\u4e8c\u7ef4\u65f6\u57df&#xff0c;\u5c31\u5f97\u5230\u4e86\u805a\u7126\u540e\u7684SAR\u56fe\u50cf\u3002\u56fe\u50cf\u4e2d\u6bcf\u4e2a\u50cf\u7d20\u4ee3\u8868\u8be5\u4f4d\u7f6e\u6563\u5c04\u7cfb\u6570\u7684\u4f30\u8ba1\u3002<\/p>\n<p>RDA\u4f18\u70b9<\/p>\n<ul>\n<li>\u7269\u7406\u6982\u5ff5\u6e05\u6670&#xff0c;\u6613\u4e8e\u5b9e\u73b0<\/li>\n<li>\u8ba1\u7b97\u6548\u7387\u8f83\u9ad8&#xff08;\u5229\u7528FFT&#xff09;<\/li>\n<li>\u6b63\u4fa7\u89c6\u53ca\u5c0f\u659c\u89c6\u89d2\u4e0b\u6210\u50cf\u8d28\u91cf\u597d<\/li>\n<\/ul>\n<p>RDA\u7f3a\u70b9<\/p>\n<ul>\n<li>\u5927\u659c\u89c6\u65f6\u8ddd\u79bb\u8d70\u52a8\u663e\u8457&#xff0c;\u9700\u989d\u5916\u5904\u7406<\/li>\n<li>RCMC \u63d2\u503c\u8fd0\u7b97\u91cf\u8f83\u5927<\/li>\n<li>\u5047\u8bbe\u65b9\u4f4d\u5411\u65f6\u57df\u4e0d\u53d8\u9891\u57df\u5904\u7406&#xff0c;\u5bf9\u8f68\u9053\u975e\u7406\u60f3\u60c5\u51b5\u654f\u611f<\/li>\n<\/ul>\n<h3>Chirp Scaling \u7b97\u6cd5 (CSA)<\/h3>\n<p>\u57fa\u672c\u539f\u7406<\/p>\n<ul>\n<li>\u5728\u8ddd\u79bb-\u591a\u666e\u52d2\u57df&#xff0c;\u901a\u8fc7\u76f8\u4f4d\u76f8\u4e58&#xff08;Chirp Scaling&#xff09;\u4f7f\u6240\u6709\u76ee\u6807\u7684\u8ddd\u79bb\u5f99\u52a8\u66f2\u7ebf\u5f62\u72b6\u4e00\u81f4<\/li>\n<li>\u907f\u514d\u590d\u6742\u7684\u65f6\u57df\u63d2\u503c&#xff0c;\u6821\u6b63\u8fc7\u7a0b\u5168\u901a\u8fc7\u76f8\u4f4d\u76f8\u4e58\u548cFFT\u5b8c\u6210<\/li>\n<\/ul>\n<h4>\u7b97\u6cd5\u6d41\u7a0b<\/h4>\n<li>\u65b9\u4f4dFFT&#xff0c;\u8fdb\u5165\u8ddd\u79bb\u591a\u666e\u52d2\u57df<\/li>\n<li>\u4e58\u4ee5Chirp Scaling\u76f8\u4f4d&#xff0c;\u5747\u8861RCM<\/li>\n<li>\u8ddd\u79bbFFT&#xff0c;\u5728\u4e8c\u7ef4\u9891\u57df\u8fdb\u884c\u4e00\u81f4RCMC\u548c\u8ddd\u79bb\u538b\u7f29<\/li>\n<li>\u8ddd\u79bbIFFT&#xff0c;\u63a5\u7740\u8fdb\u884c\u65b9\u4f4d\u538b\u7f29\u53ca\u6b8b\u4f59\u76f8\u4f4d\u8865\u507f<\/li>\n<li>\u65b9\u4f4dIFFT \u8f93\u51fa\u56fe\u50cf<\/li>\n<p>CSA \u4f18\u70b9<\/p>\n<ul>\n<li>\u65e0\u9700\u63d2\u503c&#xff0c;\u8fd0\u7b97\u901f\u5ea6\u66f4\u5feb<\/li>\n<li>\u5bf9\u5927\u659c\u89c6\u3001\u5bbd\u6d4b\u7ed8\u5e26\u9002\u5e94\u6027\u5f3a<\/li>\n<li>\u76f8\u4f4d\u4fdd\u6301\u7cbe\u5ea6\u8f83\u9ad8&#xff0c;\u9002\u5408\u5e72\u6d89\u5904\u7406<\/li>\n<\/ul>\n<p>CSA \u5c40\u9650<\/p>\n<ul>\n<li>\u9700\u8981\u591a\u6b21FFT\/IFFT&#xff0c;\u7b97\u6cd5\u7ed3\u6784\u8f83\u590d\u6742<\/li>\n<li>\u4e8c\u6b21\u8ddd\u79bb\u538b\u7f29(SRC)\u4f9d\u8d56\u591a\u666e\u52d2\u9891\u7387&#xff0c;\u8fd1\u4f3c\u5f15\u5165\u4e00\u5b9a\u8bef\u5dee<\/li>\n<\/ul>\n<h3>\u03c9K \u7b97\u6cd5 (\u6ce2\u6570\u57df\u7b97\u6cd5)<\/h3>\n<p>\u57fa\u672c\u539f\u7406<\/p>\n<ul>\n<li>\u57fa\u4e8e\u6ce2\u65b9\u7a0b\u63a8\u5bfc&#xff0c;\u5728\u4e8c\u7ef4\u9891\u57df\u8fdb\u884c\u7cbe\u786e\u7684\u5339\u914d\u6ee4\u6ce2<\/li>\n<li>\u5229\u7528 Stolt \u63d2\u503c \u5b8c\u6210\u8ddd\u79bb\u9891\u7387\u8f74\u7684\u6620\u5c04&#xff0c;\u5b9e\u73b0\u975e\u5747\u5300\u8ddd\u79bb\u5f99\u52a8\u7684\u7edf\u4e00\u805a\u7126<\/li>\n<\/ul>\n<h4>\u7b97\u6cd5\u6d41\u7a0b<\/h4>\n<li>\u4e8c\u7ef4FFT \u8fdb\u5165\u6ce2\u6570\u57df<\/li>\n<li>\u53c2\u8003\u51fd\u6570\u76f8\u4e58&#xff08;\u4e8c\u7ef4\u5339\u914d\u6ee4\u6ce2&#xff09;<\/li>\n<li>Stolt \u63d2\u503c&#xff08;\u8ddd\u79bb\u9891\u7387\u6620\u5c04&#xff09;<\/li>\n<li>\u4e8c\u7ef4IFFT \u5f97\u5230\u56fe\u50cf<\/li>\n<p>\u03c9K\u7b97\u6cd5\u7279\u70b9<\/p>\n<ul>\n<li>\u7406\u8bba\u4e0a\u662f\u7cbe\u786e\u7684\u7ebf\u6027\u6210\u50cf\u7b97\u6cd5&#xff08;\u5728\u7406\u60f3\u8fd0\u52a8\u4e0b&#xff09;<\/li>\n<li>\u53ef\u5904\u7406\u8d85\u5bbd\u6d4b\u7ed8\u5e26\u548c\u8d85\u5927\u659c\u89c6\u89d2<\/li>\n<li>Stolt \u63d2\u503c\u8ba1\u7b97\u91cf\u8f83\u5927&#xff0c;\u5de5\u7a0b\u5b9e\u73b0\u9700\u4f18\u5316<\/li>\n<\/ul>\n<h3>\u540e\u5411\u6295\u5f71\u7b97\u6cd5 (BP)<\/h3>\n<p>\u57fa\u672c\u539f\u7406<\/p>\n<ul>\n<li>\u5bf9\u6210\u50cf\u7f51\u683c\u6bcf\u4e2a\u50cf\u7d20&#xff0c;\u8ba1\u7b97\u5e73\u53f0\u5230\u8be5\u70b9\u7684\u53cc\u7a0b\u65f6\u5ef6<\/li>\n<li>\u76f8\u5e72\u7d2f\u52a0\u76f8\u5e94\u56de\u6ce2\u6570\u636e&#xff0c;\u5b9e\u73b0\u50cf\u7d20\u91cd\u5efa <span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>          I<\/p>\n<p>          (<\/p>\n<p>          x<\/p>\n<p>          ,<\/p>\n<p>          y<\/p>\n<p>          )<\/p>\n<p>          &#061;<\/p>\n<p>          \u222b<\/p>\n<p>          s<\/p>\n<p>          (<\/p>\n<p>          \u03c4<\/p>\n<p>          &#061;<\/p>\n<p>            2<\/p>\n<p>            R<\/p>\n<p>            (<\/p>\n<p>            \u03b7<\/p>\n<p>            ;<\/p>\n<p>            x<\/p>\n<p>            ,<\/p>\n<p>            y<\/p>\n<p>            )<\/p>\n<p>           c<\/p>\n<p>          ,<\/p>\n<p>          \u03b7<\/p>\n<p>          )<br \/>\n         \u2009<\/p>\n<p>          exp<\/p>\n<p>          \u2061<\/p>\n<p>           (<\/p>\n<p>           j<\/p>\n<p>             4<\/p>\n<p>             \u03c0<\/p>\n<p>              f<\/p>\n<p>              c<\/p>\n<p>             R<\/p>\n<p>             (<\/p>\n<p>             \u03b7<\/p>\n<p>             ;<\/p>\n<p>             x<\/p>\n<p>             ,<\/p>\n<p>             y<\/p>\n<p>             )<\/p>\n<p>            c<\/p>\n<p>           )<\/p>\n<p>          d<\/p>\n<p>          \u03b7<\/p>\n<p>          I(x,y) &#061; \\\\int s(\\\\tau&#061;\\\\frac{2R(\\\\eta; x,y)}{c}, \\\\eta) \\\\, \\\\exp\\\\left(j\\\\frac{4\\\\pi f_c R(\\\\eta; x,y)}{c}\\\\right) d\\\\eta <\/p>\n<p>      <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\">x<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">y<\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 2.2222em;vertical-align: -0.8622em\"><\/span><span class=\"mop op-symbol large-op\" style=\"margin-right: 0.4445em;position: relative;top: -0.0011em\">\u222b<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\">s<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1132em\">\u03c4<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 2.4em;vertical-align: -0.95em\"><\/span><span class=\"mord\"><span class=\"mopen nulldelimiter\"><\/span><span class=\"mfrac\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.427em\"><span class=\"\" style=\"top: -2.314em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">c<\/span><\/span><\/span><span class=\"\" style=\"top: -3.23em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"frac-line\" style=\"border-bottom-width: 0.04em\"><\/span><\/span><span class=\"\" style=\"top: -3.677em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord\">2<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0077em\">R<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03b7<\/span><span class=\"mpunct\">;<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\">x<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">y<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.686em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mclose nulldelimiter\"><\/span><\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03b7<\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mop\">exp<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"minner\"><span class=\"mopen delimcenter\" style=\"top: 0em\"><span class=\"delimsizing size3\">(<\/span><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0572em\">j<\/span><span class=\"mord\"><span class=\"mopen nulldelimiter\"><\/span><span class=\"mfrac\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.427em\"><span class=\"\" style=\"top: -2.314em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">c<\/span><\/span><\/span><span class=\"\" style=\"top: -3.23em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"frac-line\" style=\"border-bottom-width: 0.04em\"><\/span><\/span><span class=\"\" style=\"top: -3.677em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord\">4<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03c0<\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.1076em\">f<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.1076em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">c<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0077em\">R<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03b7<\/span><span class=\"mpunct\">;<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\">x<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">y<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.686em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mclose nulldelimiter\"><\/span><\/span><span class=\"mclose delimcenter\" style=\"top: 0em\"><span class=\"delimsizing size3\">)<\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\">d<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03b7<\/span><\/span><\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<p>BP\u7b97\u6cd5\u7279\u70b9<\/p>\n<ul>\n<li>\u4f18\u70b9&#xff1a;\u4efb\u610f\u8f68\u8ff9\u3001\u975e\u7ebf\u6027\u5b54\u5f84\u5747\u9002\u7528&#xff0c;\u6a21\u578b\u6700\u901a\u7528&#xff0c;\u6982\u5ff5\u7b80\u5355<\/li>\n<li>\u7f3a\u70b9&#xff1a;\u8ba1\u7b97\u590d\u6742\u5ea6 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>         O<\/p>\n<p>         (<\/p>\n<p>          N<\/p>\n<p>          3<\/p>\n<p>         )<\/p>\n<p>        O(N^3)<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1.0641em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">O<\/span><span class=\"mopen\">(<\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.109em\">N<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8141em\"><span class=\"\" style=\"top: -3.063em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">3<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span>&#xff0c;\u8fdc\u9ad8\u4e8e\u9891\u57df\u7b97\u6cd5&#xff1b;\u9700\u52a0\u901f\u6280\u672f&#xff08;\u5982\u5feb\u901fBP&#xff09;<\/li>\n<\/ul>\n<h3>\u7b97\u6cd5\u5bf9\u6bd4<\/h3>\n<table>\n<tr>\u7b97\u6cd5\u8fd0\u7b97\u590d\u6742\u5ea6\u659c\u89c6\/\u5bbd\u6d4b\u7ed8\u5e26\u8fd0\u52a8\u8865\u507f\u7075\u6d3b\u6027\u5178\u578b\u5e94\u7528<\/tr>\n<tbody>\n<tr>\n<td>RDA<\/td>\n<td>\u4f4e&#xff08;FFT&#043;\u63d2\u503c&#xff09;<\/td>\n<td>\u5c0f\u659c\u89c6\u89d2<\/td>\n<td>\u4e00\u822c<\/td>\n<td>\u673a\u8f7d\u6b63\u4fa7\u89c6\u3001\u661f\u8f7d\u6761\u5e26<\/td>\n<\/tr>\n<tr>\n<td>CSA<\/td>\n<td>\u4e2d&#xff08;\u65e0\u63d2\u503c&#xff09;<\/td>\n<td>\u9002\u5e94\u5927\u659c\u89c6<\/td>\n<td>\u4e00\u822c<\/td>\n<td>\u9ad8\u659c\u89c6\u661f\u8f7dSAR<\/td>\n<\/tr>\n<tr>\n<td>\u03c9K<\/td>\n<td>\u8f83\u9ad8&#xff08;Stolt\u63d2\u503c&#xff09;<\/td>\n<td>\u4f18\u79c0<\/td>\n<td>\u8f83\u5f31<\/td>\n<td>\u8d85\u9ad8\u5206\u8fa8\u7387\u3001\u805a\u675f\u5f0f<\/td>\n<\/tr>\n<tr>\n<td>BP<\/td>\n<td>\u5f88\u9ad8<\/td>\n<td>\u4efb\u610f<\/td>\n<td>\u6781\u7075\u6d3b<\/td>\n<td>\u673a\u8f7d\u590d\u6742\u8f68\u8ff9\u3001\u65e0\u4eba\u673aSAR<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u603b\u7ed3<\/h3>\n<ul>\n<li>SAR\u6210\u50cf\u57fa\u4e8e\u5339\u914d\u6ee4\u6ce2\u4e0e\u5408\u6210\u5b54\u5f84\u539f\u7406&#xff0c;\u7b97\u6cd5\u6838\u5fc3\u662f\u89e3\u51b3\u8ddd\u79bb\u5f99\u52a8\u6821\u6b63\u4e0e\u65b9\u4f4d\u805a\u7126<\/li>\n<li>RDA \u9002\u7528\u4e8e\u5e38\u89c4\u6b63\u4fa7\u89c6&#xff0c;CSA \u589e\u5f3a\u5927\u659c\u89c6\u9002\u5e94&#xff0c;\u03c9K \u63d0\u4f9b\u7406\u8bba\u7cbe\u786e\u89e3&#xff0c;BP \u6700\u7075\u6d3b\u901a\u7528<\/li>\n<li>\u7b97\u6cd5\u9009\u62e9\u53d6\u51b3\u4e8e\u5206\u8fa8\u7387\u8981\u6c42\u3001\u5e73\u53f0\u7a33\u5b9a\u6027\u3001\u8ba1\u7b97\u8d44\u6e90\u548c\u5b9e\u65f6\u6027\u9700\u6c42<\/li>\n<li>\u672a\u6765\u7b97\u6cd5\u5c06\u66f4\u667a\u80fd\u3001\u66f4\u9ad8\u6548&#xff0c;\u5e76\u6df1\u5ea6\u878d\u5408\u8fd0\u52a8\u8865\u507f\u4e0e\u4f18\u5316\u6280\u672f<\/li>\n<\/ul>\n<hr \/>\n<h2>\u4eff\u771f<\/h2>\n<p>\u539f\u59cb\u6570\u636e\u5982\u4e0b\u6240\u793a&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726042524-6a658c3402df0.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u8ddd\u79bb\u5f99\u52a8\u6821\u6b63\u540e&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726042524-6a658c34367f9.png\" alt=\"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\" \/> \u65b9\u4f4d\u5411\u538b\u7f29\u540e&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726042524-6a658c346386c.png\" alt=\"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>python\u4ee3\u7801&#xff08;RDA\u7b97\u6cd5&#xff09;<\/h2>\n<p><span class=\"token keyword\">import<\/span> numpy <span class=\"token keyword\">as<\/span> np<br \/>\n<span class=\"token keyword\">import<\/span> matplotlib<span class=\"token punctuation\">.<\/span>pyplot <span class=\"token keyword\">as<\/span> plt<br \/>\n<span class=\"token keyword\">from<\/span> numpy <span class=\"token keyword\">import<\/span> pi<span class=\"token punctuation\">,<\/span> exp<span class=\"token punctuation\">,<\/span> sqrt<span class=\"token punctuation\">,<\/span> sinc<span class=\"token punctuation\">,<\/span> sin<span class=\"token punctuation\">,<\/span> cos<span class=\"token punctuation\">,<\/span> tan<span class=\"token punctuation\">,<\/span> arctan<span class=\"token punctuation\">,<\/span> ceil<span class=\"token punctuation\">,<\/span> real<span class=\"token punctuation\">,<\/span> imag<span class=\"token punctuation\">,<\/span> angle<br \/>\n<span class=\"token keyword\">from<\/span> numpy<span class=\"token punctuation\">.<\/span>fft <span class=\"token keyword\">import<\/span> fft<span class=\"token punctuation\">,<\/span> fftshift<span class=\"token punctuation\">,<\/span> ifft<br \/>\n<span class=\"token keyword\">from<\/span> tqdm <span class=\"token keyword\">import<\/span> trange<\/p>\n<p>plt<span class=\"token punctuation\">.<\/span>rcParams<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;font.sans-serif&#039;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;SimHei&#039;<\/span><span class=\"token punctuation\">]<\/span><br \/>\nplt<span class=\"token punctuation\">.<\/span>rcParams<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;axes.unicode_minus&#039;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">False<\/span><\/p>\n<p><span class=\"token comment\"># &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; \u53c2\u6570\u8bbe\u7f6e &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n<span class=\"token comment\"># \u8ddd\u79bb\u5411<\/span><br \/>\nR_eta_c <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">10000<\/span><br \/>\nTr <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2.5e-6<\/span><br \/>\nKr <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">200e12<\/span><br \/>\nalpha_os_r <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1.2<\/span><br \/>\nNrg <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">320<\/span><\/p>\n<p>Bw <span class=\"token operator\">&#061;<\/span> <span class=\"token builtin\">abs<\/span><span class=\"token punctuation\">(<\/span>Kr<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> Tr<br \/>\nFr <span class=\"token operator\">&#061;<\/span> alpha_os_r <span class=\"token operator\">*<\/span> Bw<br \/>\nd_t_tau <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span> <span class=\"token operator\">\/<\/span> Fr<br \/>\nTrg <span class=\"token operator\">&#061;<\/span> Nrg <span class=\"token operator\">\/<\/span> Fr<\/p>\n<p><span class=\"token comment\"># \u65b9\u4f4d\u5411<\/span><br \/>\nc <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3e8<\/span><br \/>\nVr <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">100<\/span><br \/>\nf0 <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1e9<\/span><br \/>\nDelta_f_dop <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">50<\/span><br \/>\nalpha_os_a <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1.25<\/span><br \/>\nNaz <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">256<\/span><br \/>\ntheta_r_c <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0.0<\/span><\/p>\n<p>lambda0 <span class=\"token operator\">&#061;<\/span> c <span class=\"token operator\">\/<\/span> f0<br \/>\nt_eta_c <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">&#8211;<\/span>R_eta_c <span class=\"token operator\">*<\/span> sin<span class=\"token punctuation\">(<\/span>theta_r_c<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> Vr<br \/>\nf_eta_c <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> Vr <span class=\"token operator\">*<\/span> sin<span class=\"token punctuation\">(<\/span>theta_r_c<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> lambda0<br \/>\nLa <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0.886<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> Vr <span class=\"token operator\">\/<\/span> Delta_f_dop<br \/>\nFa <span class=\"token operator\">&#061;<\/span> alpha_os_a <span class=\"token operator\">*<\/span> Delta_f_dop<br \/>\nR0 <span class=\"token operator\">&#061;<\/span> R_eta_c <span class=\"token operator\">*<\/span> cos<span class=\"token punctuation\">(<\/span>theta_r_c<span class=\"token punctuation\">)<\/span><br \/>\nKa_base <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> Vr <span class=\"token operator\">**<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> cos<span class=\"token punctuation\">(<\/span>theta_r_c<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">**<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token punctuation\">(<\/span>lambda0 <span class=\"token operator\">*<\/span> R0<span class=\"token punctuation\">)<\/span><br \/>\ntheta_bw <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0.886<\/span> <span class=\"token operator\">*<\/span> lambda0 <span class=\"token operator\">\/<\/span> La<br \/>\nTaz <span class=\"token operator\">&#061;<\/span> Naz <span class=\"token operator\">\/<\/span> Fa<br \/>\nd_t_eta <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span> <span class=\"token operator\">\/<\/span> Fa<\/p>\n<p>rho_r <span class=\"token operator\">&#061;<\/span> c <span class=\"token operator\">\/<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> Fr<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; \u76ee\u6807\u8bbe\u7f6e &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;<\/span><br \/>\ntargets <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>array<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">25<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">50<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">150<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> dtype<span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">float<\/span><span class=\"token punctuation\">)<\/span><br \/>\ntargets<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">:<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#043;&#061;<\/span> R_eta_c<\/p>\n<p>Tar_t_eta_0 <span class=\"token operator\">&#061;<\/span> targets<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">:<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">\/<\/span> Vr<br \/>\nTar_t_eta_c <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>targets<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">:<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#8211;<\/span> targets<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">:<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">*<\/span> tan<span class=\"token punctuation\">(<\/span>theta_r_c<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> Vr<\/p>\n<p><span class=\"token comment\"># &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; \u7f51\u683c &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;<\/span><br \/>\nt_tau <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>arange<span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span>Trg <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> Trg <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> d_t_tau<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> R_eta_c <span class=\"token operator\">\/<\/span> c<br \/>\nt_eta <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>arange<span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span>Taz <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> Taz <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> d_t_eta<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> t_eta_c<br \/>\nr_tau <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>t_tau <span class=\"token operator\">*<\/span> c <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> cos<span class=\"token punctuation\">(<\/span>theta_r_c<span class=\"token punctuation\">)<\/span><\/p>\n<p>f_tau <span class=\"token operator\">&#061;<\/span> fftshift<span class=\"token punctuation\">(<\/span>np<span class=\"token punctuation\">.<\/span>arange<span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span>Fr <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> Fr <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> Fr <span class=\"token operator\">\/<\/span> Nrg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\nf_tau <span class=\"token operator\">-&#061;<\/span> np<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">round<\/span><span class=\"token punctuation\">(<\/span>f_tau <span class=\"token operator\">\/<\/span> Fr<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> Fr<br \/>\nf_eta <span class=\"token operator\">&#061;<\/span> fftshift<span class=\"token punctuation\">(<\/span>np<span class=\"token punctuation\">.<\/span>arange<span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span>Fa <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> Fa <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> Fa <span class=\"token operator\">\/<\/span> Naz<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\nf_eta <span class=\"token operator\">-&#061;<\/span> np<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">round<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>f_eta <span class=\"token operator\">&#8211;<\/span> f_eta_c<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> Fa<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> Fa<\/p>\n<p>t_tauX<span class=\"token punctuation\">,<\/span> t_etaY <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>meshgrid<span class=\"token punctuation\">(<\/span>t_tau<span class=\"token punctuation\">,<\/span> t_eta<span class=\"token punctuation\">)<\/span><br \/>\nr_tauX<span class=\"token punctuation\">,<\/span> f_etaY <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>meshgrid<span class=\"token punctuation\">(<\/span>r_tau<span class=\"token punctuation\">,<\/span> f_eta<span class=\"token punctuation\">)<\/span><br \/>\nf_tau_X<span class=\"token punctuation\">,<\/span> f_eta_Y <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>meshgrid<span class=\"token punctuation\">(<\/span>f_tau<span class=\"token punctuation\">,<\/span> f_eta<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; \u751f\u6210\u539f\u59cb\u56de\u6ce2 &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;<\/span><br \/>\nst_tt <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>zeros<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>Naz<span class=\"token punctuation\">,<\/span> Nrg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> dtype<span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">complex<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">for<\/span> i <span class=\"token keyword\">in<\/span> trange<span class=\"token punctuation\">(<\/span><span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>targets<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> desc<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;\u751f\u6210\u56de\u6ce2&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    R_eta <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>sqrt<span class=\"token punctuation\">(<\/span>targets<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">**<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">&#043;<\/span> Vr <span class=\"token operator\">**<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span>t_etaY <span class=\"token operator\">&#8211;<\/span> Tar_t_eta_0<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">**<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    wr <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">abs<\/span><span class=\"token punctuation\">(<\/span>t_tauX <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> R_eta <span class=\"token operator\">\/<\/span> c<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&#061;<\/span> Tr <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><br \/>\n    wa <span class=\"token operator\">&#061;<\/span> sinc<span class=\"token punctuation\">(<\/span><span class=\"token number\">0.886<\/span> <span class=\"token operator\">*<\/span> arctan<span class=\"token punctuation\">(<\/span>Vr <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span>t_etaY <span class=\"token operator\">&#8211;<\/span> Tar_t_eta_c<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> targets<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> theta_bw<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">**<\/span> <span class=\"token number\">2<\/span><br \/>\n    phase <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1j<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">4<\/span> <span class=\"token operator\">*<\/span> pi <span class=\"token operator\">*<\/span> f0 <span class=\"token operator\">*<\/span> R_eta <span class=\"token operator\">\/<\/span> c <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1j<\/span> <span class=\"token operator\">*<\/span> pi <span class=\"token operator\">*<\/span> Kr <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span>t_tauX <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> R_eta <span class=\"token operator\">\/<\/span> c<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">**<\/span> <span class=\"token number\">2<\/span><br \/>\n    st_tt <span class=\"token operator\">&#043;&#061;<\/span> wr <span class=\"token operator\">*<\/span> wa <span class=\"token operator\">*<\/span> np<span class=\"token punctuation\">.<\/span>exp<span class=\"token punctuation\">(<\/span>phase<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; \u8ddd\u79bb\u538b\u7f29 &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;<\/span><br \/>\nSf_ft <span class=\"token operator\">&#061;<\/span> fft<span class=\"token punctuation\">(<\/span>st_tt<span class=\"token punctuation\">,<\/span> Nrg<span class=\"token punctuation\">,<\/span> axis<span class=\"token operator\">&#061;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\nwindow <span class=\"token operator\">&#061;<\/span> fftshift<span class=\"token punctuation\">(<\/span>np<span class=\"token punctuation\">.<\/span>kaiser<span class=\"token punctuation\">(<\/span>Nrg<span class=\"token punctuation\">,<\/span> <span class=\"token number\">2.5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>reshape<span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\nHrf <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>np<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">abs<\/span><span class=\"token punctuation\">(<\/span>f_tau_X<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&#061;<\/span> Bw <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> window <span class=\"token operator\">*<\/span> np<span class=\"token punctuation\">.<\/span>exp<span class=\"token punctuation\">(<\/span><span class=\"token number\">1j<\/span> <span class=\"token operator\">*<\/span> pi <span class=\"token operator\">*<\/span> f_tau_X <span class=\"token operator\">**<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">\/<\/span> Kr<span class=\"token punctuation\">)<\/span><br \/>\nsrt_tt <span class=\"token operator\">&#061;<\/span> ifft<span class=\"token punctuation\">(<\/span>Sf_ft <span class=\"token operator\">*<\/span> Hrf<span class=\"token punctuation\">,<\/span> Nrg<span class=\"token punctuation\">,<\/span> axis<span class=\"token operator\">&#061;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; \u65b9\u4f4d\u5411FFT &#043; \u8ddd\u79bb\u5f99\u52a8\u6821\u6b63 (RCMC) &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;<\/span><br \/>\nSaf_tf <span class=\"token operator\">&#061;<\/span> fft<span class=\"token punctuation\">(<\/span>srt_tt<span class=\"token punctuation\">,<\/span> Naz<span class=\"token punctuation\">,<\/span> axis<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># RCMC (sinc\u63d2\u503c)<\/span><br \/>\nRCM <span class=\"token operator\">&#061;<\/span> lambda0 <span class=\"token operator\">**<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> r_tauX <span class=\"token operator\">*<\/span> f_etaY <span class=\"token operator\">**<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">8<\/span> <span class=\"token operator\">*<\/span> Vr <span class=\"token operator\">**<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\noffset <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>R0 <span class=\"token operator\">&#043;<\/span> RCM <span class=\"token operator\">&#8211;<\/span> R_eta_c<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> rho_r<\/p>\n<p>Srcmf_tf <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>zeros_like<span class=\"token punctuation\">(<\/span>Saf_tf<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">for<\/span> a <span class=\"token keyword\">in<\/span> <span class=\"token builtin\">range<\/span><span class=\"token punctuation\">(<\/span>Naz<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> r <span class=\"token keyword\">in<\/span> <span class=\"token builtin\">range<\/span><span class=\"token punctuation\">(<\/span>Nrg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        off <span class=\"token operator\">&#061;<\/span> offset<span class=\"token punctuation\">[<\/span>a<span class=\"token punctuation\">,<\/span> r<span class=\"token punctuation\">]<\/span><br \/>\n        off_ceil <span class=\"token operator\">&#061;<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">(<\/span>ceil<span class=\"token punctuation\">(<\/span>off<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        frac <span class=\"token operator\">&#061;<\/span> <span class=\"token builtin\">round<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>off_ceil <span class=\"token operator\">&#8211;<\/span> off<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">16<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        idx <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>r <span class=\"token operator\">&#043;<\/span> off_ceil <span class=\"token operator\">&#043;<\/span> np<span class=\"token punctuation\">.<\/span>arange<span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">%<\/span> Nrg<\/p>\n<p>        <span class=\"token keyword\">if<\/span> frac <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            Srcmf_tf<span class=\"token punctuation\">[<\/span>a<span class=\"token punctuation\">,<\/span> r<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> Saf_tf<span class=\"token punctuation\">[<\/span>a<span class=\"token punctuation\">,<\/span> idx<span class=\"token punctuation\">[<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token comment\"># \u7b80\u5316\u7684sinc\u6838 (\u53ef\u8fdb\u4e00\u6b65\u4f18\u5316\u4e3ascipy.interpolate)<\/span><br \/>\n            x <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>arange<span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token punctuation\">(<\/span>off_ceil <span class=\"token operator\">&#8211;<\/span> off<span class=\"token punctuation\">)<\/span><br \/>\n            hx <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>sinc<span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> np<span class=\"token punctuation\">.<\/span>kaiser<span class=\"token punctuation\">(<\/span><span class=\"token number\">8<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2.5<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            hx <span class=\"token operator\">\/&#061;<\/span> hx<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">sum<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            Srcmf_tf<span class=\"token punctuation\">[<\/span>a<span class=\"token punctuation\">,<\/span> r<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>dot<span class=\"token punctuation\">(<\/span>Saf_tf<span class=\"token punctuation\">[<\/span>a<span class=\"token punctuation\">,<\/span> idx<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> hx<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; \u65b9\u4f4d\u538b\u7f29 &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;<\/span><br \/>\nKa <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> Vr <span class=\"token operator\">**<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> cos<span class=\"token punctuation\">(<\/span>theta_r_c<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">**<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token punctuation\">(<\/span>lambda0 <span class=\"token operator\">*<\/span> r_tauX<span class=\"token punctuation\">)<\/span><br \/>\nHaf <span class=\"token operator\">&#061;<\/span> np<span class=\"token punctuation\">.<\/span>exp<span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1j<\/span> <span class=\"token operator\">*<\/span> pi <span class=\"token operator\">*<\/span> f_etaY <span class=\"token operator\">**<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">\/<\/span> Ka<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> np<span class=\"token punctuation\">.<\/span>exp<span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1j<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> pi <span class=\"token operator\">*<\/span> f_etaY <span class=\"token operator\">*<\/span> t_eta_c<span class=\"token punctuation\">)<\/span><br \/>\nsoutt_tt <span class=\"token operator\">&#061;<\/span> ifft<span class=\"token punctuation\">(<\/span>Srcmf_tf <span class=\"token operator\">*<\/span> Haf<span class=\"token punctuation\">,<\/span> Naz<span class=\"token punctuation\">,<\/span> axis<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; \u7ed8\u56fe &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;<\/span><br \/>\n<span class=\"token keyword\">def<\/span> <span class=\"token function\">plot_raw<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    fig <span class=\"token operator\">&#061;<\/span> plt<span class=\"token punctuation\">.<\/span>figure<span class=\"token punctuation\">(<\/span>figsize<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">7.5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> i<span class=\"token punctuation\">,<\/span> data <span class=\"token keyword\">in<\/span> <span class=\"token builtin\">enumerate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>real<span class=\"token punctuation\">(<\/span>st_tt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> imag<span class=\"token punctuation\">(<\/span>st_tt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> np<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">abs<\/span><span class=\"token punctuation\">(<\/span>st_tt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> np<span class=\"token punctuation\">.<\/span>angle<span class=\"token punctuation\">(<\/span>st_tt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        plt<span class=\"token punctuation\">.<\/span>subplot<span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> i<span class=\"token punctuation\">)<\/span><br \/>\n        plt<span class=\"token punctuation\">.<\/span>pcolor<span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">,<\/span> cmap<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;jet&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        plt<span class=\"token punctuation\">.<\/span>colorbar<span class=\"token punctuation\">(<\/span>shrink<span class=\"token operator\">&#061;<\/span><span class=\"token number\">1.0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        plt<span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;(a)\u5b9e\u90e8&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;(b)\u865a\u90e8&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;(c)\u5e45\u5ea6&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;(d)\u76f8\u4f4d&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>i <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        plt<span class=\"token punctuation\">.<\/span>xlabel<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u8ddd\u79bb\u65f6\u57df&#xff08;\u91c7\u6837\u70b9&#xff09;&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        plt<span class=\"token punctuation\">.<\/span>ylabel<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u65b9\u4f4d\u65f6\u57df&#xff08;\u91c7\u6837\u70b9&#xff09;&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>suptitle<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u56fe1&#xff0c;\u539f\u59cb\u6570\u636e&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">plot_rcm<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    fig <span class=\"token operator\">&#061;<\/span> plt<span class=\"token punctuation\">.<\/span>figure<span class=\"token punctuation\">(<\/span>figsize<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>subplot<span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>pcolor<span class=\"token punctuation\">(<\/span>np<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">abs<\/span><span class=\"token punctuation\">(<\/span>fftshift<span class=\"token punctuation\">(<\/span>Saf_tf<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> cmap<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;jet&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>colorbar<span class=\"token punctuation\">(<\/span>shrink<span class=\"token operator\">&#061;<\/span><span class=\"token number\">1.0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u8ddd\u79bb\u538b\u7f29&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>subplot<span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>pcolor<span class=\"token punctuation\">(<\/span>np<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">abs<\/span><span class=\"token punctuation\">(<\/span>fftshift<span class=\"token punctuation\">(<\/span>Srcmf_tf<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> cmap<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;jet&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>colorbar<span class=\"token punctuation\">(<\/span>shrink<span class=\"token operator\">&#061;<\/span><span class=\"token number\">1.0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u8ddd\u79bb\u5f99\u52a8\u6821\u6b63\u540e&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">plot_final<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    fig <span class=\"token operator\">&#061;<\/span> plt<span class=\"token punctuation\">.<\/span>figure<span class=\"token punctuation\">(<\/span>figsize<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>subplot<span class=\"token punctuation\">(<\/span><span class=\"token number\">121<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>pcolor<span class=\"token punctuation\">(<\/span>real<span class=\"token punctuation\">(<\/span>soutt_tt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> cmap<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;jet&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>colorbar<span class=\"token punctuation\">(<\/span>shrink<span class=\"token operator\">&#061;<\/span><span class=\"token number\">1.0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>gca<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>invert_yaxis<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>xlabel<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u8ddd\u79bb\u5411(\u91c7\u6837\u70b9)\u2192&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>ylabel<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u2190\u65b9\u4f4d\u5411(\u91c7\u6837\u70b9)&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;(a)\u5b9e\u90e8&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    plt<span class=\"token punctuation\">.<\/span>subplot<span class=\"token punctuation\">(<\/span><span class=\"token number\">122<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>pcolor<span class=\"token punctuation\">(<\/span>np<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">abs<\/span><span class=\"token punctuation\">(<\/span>soutt_tt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> cmap<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;jet&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>colorbar<span class=\"token punctuation\">(<\/span>shrink<span class=\"token operator\">&#061;<\/span><span class=\"token number\">1.0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>gca<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>invert_yaxis<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>xlabel<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u8ddd\u79bb\u5411(\u91c7\u6837\u70b9)\u2192&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>ylabel<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u2190\u65b9\u4f4d\u5411(\u91c7\u6837\u70b9)&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;(b)\u5e45\u5ea6&#039;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    plt<span class=\"token punctuation\">.<\/span>suptitle<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u65b9\u4f4d\u538b\u7f29\u540e\u7684\u4eff\u771f\u7ed3\u679c&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>plot_raw<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\nplot_rcm<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\nplot_final<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\nplt<span class=\"token punctuation\">.<\/span>show<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h2>\u53c2\u8003<\/h2>\n<h3>\u53c2\u8003\u8d44\u6599&#xff1a;<\/h3>\n<ul>\n<li>I. G. Cumming, F. H. Wong, Digital Processing of Synthetic Aperture Radar Data<\/li>\n<li>J. C. Curlander, R. N. McDonough, Synthetic Aperture Radar: Systems and Signal Processing<\/li>\n<li>\u76f8\u5173\u8bba\u6587\u4e0e\u5f00\u6e90\u4ee3\u7801\u5e93<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u5f55SAR\u6210\u50cf\u57fa\u7840\u7b80\u4ecb\u57fa\u672c\u5de5\u4f5c\u6d41\u7a0b\u7ebf\u6027\u8c03\u9891\u4fe1\u53f7\u4e0e\u8109\u51b2\u538b\u7f29\u8ddd\u79bb\u5411\u9ad8\u5206\u8fa8\u7684\u5173\u952e\u65b9\u4f4d\u5411\u5904\u7406SAR\u56de\u6ce2\u4fe1\u53f7\u6a21\u578b\u70b9\u76ee\u6807\u56de\u6ce2\u8ddd\u79bb\u5f99\u52a8\u8ddd\u79bb\u5f99\u52a8(Range Cell Migration, RCM)\u8ddd\u79bb\u5f99\u52a8\u5206\u91cfRCM\u6821\u6b63\u6210\u50cf\u7b97\u6cd5\u7b80\u4ecb\u8ddd\u79bb\u591a\u666e\u52d2\u7b97\u6cd5 (RDA)\u7b97\u6cd5\u6d41\u7a0bChirp Scaling \u7b97\u6cd5 (CSA)\u7b97\u6cd5\u6d41\u7a0b\u03c9K \u7b97\u6cd5 (\u6ce2\u6570\u57df\u7b97\u6cd5)\u7b97\u6cd5\u6d41\u7a0b\u540e\u5411\u6295\u5f71\u7b97\u6cd5 (BP)\u7b97\u6cd5\u5bf9\u6bd4\u603b\u7ed3\u4eff\u771fpython\u4ee3\u7801&#xff08;RDA\u7b97\u6cd5&#xff09;\u53c2\u8003\u53c2\u8003\u8d44\u6599&#xff1a;SAR\u6210\u50cf\u57fa\u7840<br \/>\n\u7b80<\/p>\n","protected":false},"author":2,"featured_media":84363,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[9451,9452,81,190,5110],"topic":[],"class_list":["post-84369","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-sar","tag-python","tag-190","tag-5110"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - 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