{"id":78367,"date":"2026-02-27T10:34:10","date_gmt":"2026-02-27T02:34:10","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/78367.html"},"modified":"2026-02-27T10:34:10","modified_gmt":"2026-02-27T02:34:10","slug":"%e3%80%90%e5%a3%b0%e5%91%90%e5%9b%be%e5%83%8f%e5%a4%84%e7%90%86%e3%80%91%e5%91%8a%e5%88%ab%e6%bb%a1%e5%b1%8f%e9%9b%aa%e8%8a%b1%ef%bc%9a%e4%ba%8c%e7%bb%b4%e5%89%8d%e8%a7%86%e5%a3%b0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/78367.html","title":{"rendered":"\u3010\u58f0\u5450\u56fe\u50cf\u5904\u7406\u3011\u544a\u522b\u201c\u6ee1\u5c4f\u96ea\u82b1\u201d\uff1a\u4e8c\u7ef4\u524d\u89c6\u58f0\u5450\u6781\u5750\u6807\u57df\u6563\u6591\u53bb\u566a\u7684\u901a\u4fd7\u7cbe\u8bb2\uff08\u539f\u7406+\u516c\u5f0f\uff09"},"content":{"rendered":"<h2>\u3010\u58f0\u5450\u56fe\u50cf\u5904\u7406\u3011\u544a\u522b\u201c\u6ee1\u5c4f\u96ea\u82b1\u201d&#xff1a;\u4e8c\u7ef4\u524d\u89c6\u58f0\u5450\u6781\u5750\u6807\u57df\u6563\u6591\u53bb\u566a\u7684\u901a\u4fd7\u7cbe\u8bb2&#xff08;\u539f\u7406&#043;\u516c\u5f0f&#xff09;<\/h2>\n<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\u3010\u58f0\u5450\u56fe\u50cf\u5904\u7406\u3011\u544a\u522b\u201c\u6ee1\u5c4f\u96ea\u82b1\u201d&#xff1a;\u4e8c\u7ef4\u524d\u89c6\u58f0\u5450\u6781\u5750\u6807\u57df\u6563\u6591\u53bb\u566a\u7684\u901a\u4fd7\u7cbe\u8bb2&#xff08;\u539f\u7406&#043;\u516c\u5f0f&#xff09;<\/li>\n<li>\n<ul>\n<li>1. \u75db\u70b9&#xff1a;\u4e3a\u4ec0\u4e48\u58f0\u5450\u56fe\u50cf\u603b\u662f\u201c\u7cca\u201d\u7684&#xff1f;<\/li>\n<li>2. \u907f\u5751\u6307\u5357&#xff1a;\u4e3a\u4ec0\u4e48\u5fc5\u987b\u5728\u201c\u6781\u5750\u6807\u201d\u4e0b\u5904\u7406&#xff1f;<\/li>\n<li>3. \u8ba4\u6e05\u654c\u4eba&#xff1a;\u6563\u6591\u566a\u58f0\u662f\u201c\u4e58\u6027\u201d\u7684<\/li>\n<li>4. \u6551\u661f\u767b\u573a&#xff1a;Lee\u6ee4\u6ce2\u5668\u7684\u901a\u4fd7\u539f\u7406<\/li>\n<li>5. \u516c\u5f0f\u9010\u7ea7\u62c6\u89e3&#xff08;\u6587\u79d1\u751f\u4e5f\u80fd\u770b\u61c2&#xff09;<\/li>\n<li>\n<ul>\n<li>\u7b2c\u4e00\u6b65&#xff1a;\u8ba1\u7b97\u653e\u5927\u955c&#xff08;\u5c40\u90e8\u7a97\u53e3&#xff09;\u91cc\u7684\u7edf\u8ba1\u6307\u6807<\/li>\n<li>\u7b2c\u4e8c\u6b65&#xff1a;\u8ba1\u7b97\u201c\u806a\u660e\u7684\u5927\u8111\u201d\u2014\u2014\u81ea\u9002\u5e94\u6743\u91cd\u56e0\u5b50 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>             K<\/p>\n<p>            K<\/p>\n<p>         <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">K<\/span><\/span><\/span><\/span><\/span><\/li>\n<li>\u7b2c\u4e09\u6b65&#xff1a;\u8f93\u51fa\u6700\u7ec8\u53bb\u566a\u7ed3\u679c<\/li>\n<\/ul>\n<\/li>\n<li>6. \u603b\u7ed3\u4e0e\u5ef6\u4f38<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>1. \u75db\u70b9&#xff1a;\u4e3a\u4ec0\u4e48\u58f0\u5450\u56fe\u50cf\u603b\u662f\u201c\u7cca\u201d\u7684&#xff1f;<\/h3>\n<p>\u5982\u679c\u4f60\u5904\u7406\u8fc7\u4e8c\u7ef4\u524d\u89c6\u591a\u6ce2\u675f\u58f0\u5450&#xff08;2D FLS&#xff09;\u7684\u6570\u636e&#xff0c;\u4f60\u4e00\u5b9a\u4f1a\u5bf9\u4e00\u4e2a\u73b0\u8c61\u6df1\u6076\u75db\u7edd&#xff1a;\u6ee1\u5c4f\u7684\u201c\u96ea\u82b1\u70b9\u201d\u3002<\/p>\n<p>\u4e00\u5757\u660e\u660e\u5e94\u8be5\u5e73\u5766\u7684\u6d77\u5e95&#xff0c;\u5728\u58f0\u5450\u56fe\u50cf\u4e0a\u5374\u5448\u73b0\u51fa\u660e\u6697\u76f8\u95f4\u7684\u9897\u7c92\u611f&#xff1b;\u4e00\u4e2a\u8fb9\u7f18\u786c\u6717\u7684\u4eba\u5de5\u76ee\u6807&#xff0c;\u8fb9\u754c\u5374\u88ab\u8fd9\u4e9b\u9897\u7c92\u5543\u566c\u5f97\u72ac\u7259\u4ea4\u9519\u3002\u8fd9\u79cd\u73b0\u8c61\u4e0d\u662f\u56e0\u4e3a\u58f0\u5450\u574f\u4e86&#xff0c;\u800c\u662f\u7531\u58f0\u6ce2\u7684\u7269\u7406\u7279\u6027\u51b3\u5b9a\u7684\u2014\u2014\u8fd9\u5c31\u662f\u8457\u540d\u7684\u6563\u6591\u566a\u58f0&#xff08;Speckle Noise&#xff09;\u3002<\/p>\n<p>\u58f0\u5450\u548c\u6fc0\u5149\u96f7\u8fbe\u3001\u533b\u5b66B\u8d85\u4e00\u6837&#xff0c;\u5c5e\u4e8e\u76f8\u5e72\u6210\u50cf\u7cfb\u7edf\u3002\u5f53\u58f0\u6ce2\u6253\u5728\u7c97\u7cd9\u7684\u6d77\u5e95\u6216\u76ee\u6807\u4e0a\u65f6&#xff0c;\u65e0\u6570\u4e2a\u5fae\u5c0f\u6563\u5c04\u4f53\u53cd\u5c04\u56de\u6765\u7684\u58f0\u6ce2\u5728\u63a5\u6536\u7aef\u53d1\u751f\u5e72\u6d89&#xff08;\u53e0\u52a0\u6216\u62b5\u6d88&#xff09;\u3002\u8fd9\u79cd\u968f\u673a\u7684\u5e72\u6d89\u73b0\u8c61&#xff0c;\u5c31\u5f62\u6210\u4e86\u56fe\u50cf\u4e0a\u968f\u673a\u7684\u4eae\u6591\u548c\u6697\u6591\u3002<\/p>\n<p>\u5982\u679c\u4e0d\u628a\u8fd9\u4e9b\u6563\u6591\u5e72\u6389&#xff0c;\u540e\u7eed\u505a\u76ee\u6807\u68c0\u6d4b\u3001\u8fb9\u7f18\u63d0\u53d6\u3001\u7279\u5f81\u5339\u914d&#xff0c;\u7b97\u6cd5\u5168\u90fd\u4f1a\u201c\u6293\u778e\u201d\u3002\u4eca\u5929&#xff0c;\u6211\u4eec\u5c31\u6765\u5f7b\u5e95\u641e\u61c2\u5982\u4f55\u79d1\u5b66\u5730\u6d88\u9664\u8fd9\u4e9b\u6563\u6591\u3002<\/p>\n<hr \/>\n<h3>2. \u907f\u5751\u6307\u5357&#xff1a;\u4e3a\u4ec0\u4e48\u5fc5\u987b\u5728\u201c\u6781\u5750\u6807\u201d\u4e0b\u5904\u7406&#xff1f;<\/h3>\n<p>\u8fd9\u662f\u65e0\u6570\u521d\u5b66\u8005\u6700\u5bb9\u6613\u8e29\u7684\u5751&#xff1a;\u62ff\u5230\u58f0\u5450\u6570\u636e&#xff0c;\u4e00\u770b\u662f\u4e2a\u6247\u5f62&#xff08;\u6781\u5750\u6807&#xff09;&#xff0c;\u89c9\u5f97\u4e0d\u597d\u5904\u7406&#xff0c;\u7b2c\u4e00\u53cd\u5e94\u5c31\u662f\u5148\u5199\u4e2a\u7b97\u6cd5&#xff0c;\u628a\u5b83\u63d2\u503c\u8f6c\u6362\u6210\u5e38\u89c1\u7684\u77e9\u5f62\u56fe\u7247&#xff08;\u7b1b\u5361\u5c14\u5750\u6807\u7cfb\u7684\u6247\u5f62\u56fe&#xff09;&#xff0c;\u7136\u540e\u518d\u7528\u6ee4\u6ce2\u5668\u53bb\u566a\u3002<\/p>\n<p>\u5927\u9519\u7279\u9519&#xff01;<\/p>\n<p>\u4e3a\u4ec0\u4e48&#xff1f;\u8bf7\u60f3\u8c61\u4e00\u5f20\u753b\u7740\u7f51\u683c\u7684\u6a61\u80f6\u8584\u819c&#xff1a;<\/p>\n<li>\u6781\u5750\u6807\u6570\u636e&#xff08;\u539f\u59cb\u6570\u636e&#xff09;&#xff1a; \u5c31\u662f\u58f0\u5450\u9635\u5217\u63a5\u6536\u5230\u7684\u6700\u539f\u59cb\u7684\u77e9\u9635\u3002\u77e9\u9635\u7684\u6bcf\u4e00\u884c\u4ee3\u8868\u8ddd\u79bb&#xff08;\u8d8a\u6df1\u8ddd\u79bb\u8d8a\u8fdc&#xff09;&#xff0c;\u6bcf\u4e00\u5217\u4ee3\u8868\u6ce2\u675f\u89d2\u5ea6\u3002\u5728\u8fd9\u4e2a\u77e9\u9635\u91cc&#xff0c;\u6bcf\u4e00\u4e2a\u50cf\u7d20\u7684\u6563\u6591\u566a\u58f0\u90fd\u662f\u5b8c\u5168\u968f\u673a\u3001\u4e92\u76f8\u72ec\u7acb\u7684\u3002<\/li>\n<li>\u7b1b\u5361\u5c14\u5750\u6807\u8f6c\u6362&#xff08;\u5750\u6807\u8f6c\u6362&#xff09;&#xff1a; \u5f53\u4f60\u628a\u6781\u5750\u6807\u8f6c\u4e3a\u6211\u4eec\u8089\u773c\u4e60\u60ef\u7684\u6247\u5f62\u56fe\u65f6&#xff0c;\u5916\u56f4&#xff08;\u8fdc\u8ddd\u79bb&#xff09;\u7684\u50cf\u7d20\u4f1a\u88ab\u653e\u5927\u62c9\u4f38&#xff0c;\u8fd9\u5c31\u4e0d\u53ef\u907f\u514d\u5730\u8981\u8fdb\u884c\u63d2\u503c&#xff08;\u6bd4\u5982\u53cc\u7ebf\u6027\u63d2\u503c&#xff09;\u3002<\/li>\n<p>\u81f4\u547d\u95ee\u9898\u6765\u4e86&#xff1a;\u63d2\u503c\u64cd\u4f5c\u76f8\u5f53\u4e8e\u628a\u4e00\u4e2a\u50cf\u7d20\u7684\u503c\u7cca\u5230\u4e86\u5b83\u5468\u56f4\u7684\u50cf\u7d20\u4e0a\u3002\u539f\u672c\u201c\u4e92\u76f8\u72ec\u7acb\u201d\u7684\u968f\u673a\u6563\u6591&#xff0c;\u7ecf\u8fc7\u63d2\u503c\u540e&#xff0c;\u53d8\u6210\u4e86\u201c\u62b1\u56e2\u201d\u7684\u3001\u6709\u7a7a\u95f4\u76f8\u5173\u6027\u7684\u566a\u58f0\u6591\u5757\u3002 \u6240\u6709\u7ecf\u5178\u7684\u7edf\u8ba1\u5b66\u53bb\u566a\u7b97\u6cd5&#xff08;\u6bd4\u5982Lee\u6ee4\u6ce2\u3001Frost\u6ee4\u6ce2&#xff09;&#xff0c;\u5176\u6838\u5fc3\u6570\u5b66\u63a8\u5bfc\u90fd\u5efa\u7acb\u5728\u201c\u566a\u58f0\u662f\u968f\u673a\u72ec\u7acb\u7684\u201d\u8fd9\u4e00\u5047\u8bbe\u4e0a\u3002\u4e00\u65e6\u4f60\u5728\u63d2\u503c\u540e\u7684\u56fe\u50cf\u4e0a\u6ee4\u6ce2&#xff0c;\u8fd9\u4e9b\u725b\u6c14\u51b2\u5929\u7684\u7b97\u6cd5\u5c31\u4f1a\u7edf\u7edf\u5931\u6548&#xff0c;\u5bfc\u81f4\u76ee\u6807\u8fb9\u7f18\u88ab\u4e25\u91cd\u6a21\u7cca\u3002<\/p>\n<p>\u9ec4\u91d1\u6cd5\u5219&#xff1a;\u6536\u5230\u539f\u59cb\u6781\u5750\u6807\u77e9\u9635 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         \u2192<\/p>\n<p>        \\\\rightarrow<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.3669em\"><\/span><span class=\"mrel\">\u2192<\/span><\/span><\/span><\/span><\/span> \u76f4\u63a5\u6ee4\u6ce2\u53bb\u6563\u6591 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         \u2192<\/p>\n<p>        \\\\rightarrow<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.3669em\"><\/span><span class=\"mrel\">\u2192<\/span><\/span><\/span><\/span><\/span> \u56fe\u50cf\u589e\u5f3a <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         \u2192<\/p>\n<p>        \\\\rightarrow<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.3669em\"><\/span><span class=\"mrel\">\u2192<\/span><\/span><\/span><\/span><\/span> \u6700\u540e\u518d\u8f6c\u6362\u4e3a\u6247\u5f62\u56fe\u50cf\u4f9b\u4eba\u773c\u89c2\u770b\u3002<\/p>\n<hr \/>\n<h3>3. \u8ba4\u6e05\u654c\u4eba&#xff1a;\u6563\u6591\u566a\u58f0\u662f\u201c\u4e58\u6027\u201d\u7684<\/h3>\n<p>\u5149\u5b66\u7167\u7247&#xff08;\u6bd4\u5982\u624b\u673a\u665a\u4e0a\u62cd\u7684\u7167\u7247&#xff09;\u91cc\u7684\u566a\u70b9&#xff0c;\u901a\u5e38\u662f\u52a0\u6027\u566a\u58f0\u3002 \u516c\u5f0f\u662f&#xff1a;\u770b\u5230\u7684\u56fe\u50cf &#061; \u771f\u5b9e\u7684\u753b\u9762 &#043; \u566a\u70b9\u3002 \u4e0d\u7ba1\u753b\u9762\u662f\u4eae\u662f\u6697&#xff0c;\u566a\u70b9\u7684\u6ce2\u52a8\u5e45\u5ea6\u5dee\u4e0d\u591a&#xff0c;\u6240\u4ee5\u7528\u9ad8\u65af\u6a21\u7cca\u62b9\u5e73\u5c31\u884c\u4e86\u3002<\/p>\n<p>\u4f46\u662f&#xff0c;\u58f0\u5450\u7684\u6563\u6591\u566a\u58f0\u662f\u4e58\u6027\u566a\u58f0&#xff08;Multiplicative Noise&#xff09;&#xff01; \u5b83\u7684\u6570\u5b66\u6a21\u578b\u662f&#xff1a; <span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         I<\/p>\n<p>         (<\/p>\n<p>         r<\/p>\n<p>         ,<\/p>\n<p>         \u03b8<\/p>\n<p>         )<\/p>\n<p>         &#061;<\/p>\n<p>         X<\/p>\n<p>         (<\/p>\n<p>         r<\/p>\n<p>         ,<\/p>\n<p>         \u03b8<\/p>\n<p>         )<\/p>\n<p>         \u22c5<\/p>\n<p>         v<\/p>\n<p>         (<\/p>\n<p>         r<\/p>\n<p>         ,<\/p>\n<p>         \u03b8<\/p>\n<p>         )<\/p>\n<p>         I(r, \\\\theta) &#061; X(r, \\\\theta) \\\\cdot v(r, \\\\theta) <\/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\" style=\"margin-right: 0.0278em\">r<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">\u03b8<\/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: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">X<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">r<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">\u03b8<\/span><span class=\"mclose\">)<\/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: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">v<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">r<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">\u03b8<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li><span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>         I<\/p>\n<p>         (<\/p>\n<p>         r<\/p>\n<p>         ,<\/p>\n<p>         \u03b8<\/p>\n<p>         )<\/p>\n<p>        I(r, \\\\theta)<\/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\" style=\"margin-right: 0.0278em\">r<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">\u03b8<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span>&#xff1a;\u6211\u4eec\u5b9e\u9645\u89c2\u6d4b\u5230\u7684\u810f\u56fe\u50cf&#xff08;\u5728\u6781\u5750\u6807 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         r<\/p>\n<p>        r<\/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: 0.0278em\">r<\/span><\/span><\/span><\/span><\/span> \u8ddd\u79bb&#xff0c;<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         \u03b8<\/p>\n<p>        \\\\theta<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6944em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">\u03b8<\/span><\/span><\/span><\/span><\/span> \u89d2\u5ea6\u7684\u50cf\u7d20\u503c&#xff09;\u3002<\/li>\n<li><span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>         X<\/p>\n<p>         (<\/p>\n<p>         r<\/p>\n<p>         ,<\/p>\n<p>         \u03b8<\/p>\n<p>         )<\/p>\n<p>        X(r, \\\\theta)<\/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\">X<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">r<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">\u03b8<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span>&#xff1a;\u7406\u60f3\u7684\u3001\u5e72\u5e72\u51c0\u51c0\u7684\u771f\u5b9e\u573a\u666f\u53cd\u5c04\u7387&#xff08;\u8fd9\u662f\u6211\u4eec\u505a\u68a6\u90fd\u60f3\u6c42\u51fa\u6765\u7684\u503c&#xff09;\u3002<\/li>\n<li><span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>         v<\/p>\n<p>         (<\/p>\n<p>         r<\/p>\n<p>         ,<\/p>\n<p>         \u03b8<\/p>\n<p>         )<\/p>\n<p>        v(r, \\\\theta)<\/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: 0.0359em\">v<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">r<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">\u03b8<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span>&#xff1a;\u4e58\u6027\u6563\u6591\u566a\u58f0&#xff0c;\u5b83\u7684\u7edf\u8ba1\u5747\u503c\u901a\u5e38\u5047\u8bbe\u4e3a 1\u3002<\/li>\n<\/ul>\n<p>\u4e58\u6027\u566a\u58f0\u6700\u6076\u5fc3\u7684\u5730\u65b9\u5728\u4e8e&#xff1a;\u5b83\u9047\u5f3a\u5219\u5f3a&#xff01; \u56e0\u4e3a\u662f\u4e58\u6cd5\u5173\u7cfb&#xff0c;\u5982\u679c\u76ee\u6807\u672c\u8eab\u5f88\u4eae&#xff08;\u6bd4\u5982\u4e00\u5757\u6781\u5f3a\u53cd\u5c04\u7684\u91d1\u5c5e\u677f&#xff09;&#xff0c;\u4e58\u4e0a\u6ce2\u52a8\u7684\u566a\u58f0\u540e&#xff0c;\u8fd9\u4e2a\u533a\u57df\u7684\u566a\u58f0\u7edd\u5bf9\u503c\u8d77\u4f0f\u6781\u5927&#xff1b;\u800c\u5728\u6697\u6c89\u7684\u6df1\u6c34\u533a&#xff0c;\u566a\u58f0\u7684\u8d77\u4f0f\u53cd\u800c\u5f88\u5c0f\u3002<\/p>\n<p>\u8fd9\u5c31\u5bfc\u81f4&#xff1a;\u6211\u4eec\u7edd\u4e0d\u80fd\u4f7f\u7528\u5168\u5c40\u7edf\u4e00\u7684\u6ee4\u6ce2\u5668&#xff08;\u6bd4\u5982\u666e\u901a\u7684\u5747\u503c\u6ee4\u6ce2\u6216\u9ad8\u65af\u6ee4\u6ce2&#xff09;\u3002\u5982\u679c\u4f60\u7528\u80fd\u62b9\u5e73\u65e5\u5149\u706f\u822c\u523a\u773c\u566a\u70b9\u7684\u529b\u5ea6\u53bb\u62b9\u5e73\u9ed1\u591c&#xff0c;\u90a3\u753b\u9762\u91cc\u7684\u7ec6\u8282\u8fb9\u7f18\u5c31\u4f1a\u88ab\u5f7b\u5e95\u62b9\u6740\u3002\u6211\u4eec\u9700\u8981\u4e00\u4e2a**\u201c\u806a\u660e\u201d\u7684\u3001\u80fd\u81ea\u9002\u5e94\u7684\u6ee4\u6ce2\u5668**\u3002<\/p>\n<hr \/>\n<h3>4. \u6551\u661f\u767b\u573a&#xff1a;Lee\u6ee4\u6ce2\u5668\u7684\u901a\u4fd7\u539f\u7406<\/h3>\n<p>\u4e3a\u4e86\u5bf9\u4ed8\u4e58\u6027\u566a\u58f0&#xff0c;J.S. Lee \u63d0\u51fa\u4e86\u4e00\u79cd\u6781\u5177\u667a\u6167\u7684\u5c40\u90e8\u7edf\u8ba1\u6ee4\u6ce2\u5668\u2014\u2014Lee\u6ee4\u6ce2\u5668\u3002<\/p>\n<p>\u5b83\u7684\u6838\u5fc3\u601d\u60f3\u975e\u5e38\u62df\u4eba\u5316&#xff1a;\u5b83\u4f1a\u5728\u56fe\u50cf\u4e0a\u62ff\u7740\u4e00\u4e2a\u653e\u5927\u955c&#xff08;\u6bd4\u5982 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        5<\/p>\n<p>        \u00d7<\/p>\n<p>        5<\/p>\n<p>       5 \\\\times 5<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.7278em;vertical-align: -0.0833em\"><\/span><span class=\"mord\">5<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u00d7<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.6444em\"><\/span><span class=\"mord\">5<\/span><\/span><\/span><\/span><\/span> \u7684\u6ed1\u52a8\u7a97\u53e3&#xff09;\u9010\u4e2a\u50cf\u7d20\u5de1\u89c6\u3002\u6bcf\u5230\u4e00\u4e2a\u50cf\u7d20&#xff0c;\u5b83\u90fd\u4f1a\u95ee\u81ea\u5df1\u4e00\u4e2a\u95ee\u9898&#xff1a;\u201c\u6211\u5f53\u524d\u770b\u7684\u8fd9\u4e2a\u5c0f\u533a\u57df&#xff0c;\u5230\u5e95\u662f\u4e00\u7247\u5e73\u5766\u7684\u6d77\u5e95&#xff0c;\u8fd8\u662f\u67d0\u4e2a\u76ee\u6807\u7684\u9510\u5229\u8fb9\u7f18&#xff1f;\u201d<\/p>\n<ul>\n<li>\u5982\u679c\u662f\u5e73\u5766\u7684\u6d77\u5e95&#xff1a;\u8bf4\u660e\u8fd9\u91cc\u7684\u4eae\u5ea6\u8d77\u4f0f\u5168\u662f\u6563\u6591\u566a\u58f0\u5728\u6363\u9b3c&#xff0c;\u90a3\u5c31\u72e0\u72e0\u5730\u7528\u5747\u503c\u5e73\u6ed1\u5b83\u3002<\/li>\n<li>\u5982\u679c\u662f\u76ee\u6807\u7684\u8fb9\u7f18&#xff08;\u4e00\u534a\u4eae\u4e00\u534a\u6697&#xff09;&#xff1a;\u8bf4\u660e\u8fd9\u91cc\u7684\u4eae\u5ea6\u8d77\u4f0f\u662f\u771f\u5b9e\u5b58\u5728\u7684\u7269\u7406\u8fb9\u754c&#xff0c;\u8fd9\u65f6\u5019\u7edd\u5bf9\u4e0d\u80fd\u5e73\u6ed1&#xff0c;\u5fc5\u987b\u539f\u5c01\u4e0d\u52a8\u5730\u4fdd\u7559\u539f\u59cb\u50cf\u7d20\u3002<\/li>\n<\/ul>\n<p>\u90a3\u4e48&#xff0c;\u5b83\u662f\u600e\u4e48\u5224\u65ad\u7684\u5462&#xff1f;\u9760\u7684\u662f\u5c40\u90e8\u65b9\u5dee&#xff08;\u6ce2\u52a8\u7a0b\u5ea6&#xff09;\u3002<\/p>\n<hr \/>\n<h3>5. \u516c\u5f0f\u9010\u7ea7\u62c6\u89e3&#xff08;\u6587\u79d1\u751f\u4e5f\u80fd\u770b\u61c2&#xff09;<\/h3>\n<p>Lee\u6ee4\u6ce2\u7684\u8ba1\u7b97\u5206\u4e3a\u4e09\u6b65&#xff0c;\u6211\u4eec\u4e00\u6b65\u6b65\u628a\u516c\u5f0f\u63b0\u5f00\u63c9\u788e&#xff1a;<\/p>\n<h4>\u7b2c\u4e00\u6b65&#xff1a;\u8ba1\u7b97\u653e\u5927\u955c&#xff08;\u5c40\u90e8\u7a97\u53e3&#xff09;\u91cc\u7684\u7edf\u8ba1\u6307\u6807<\/h4>\n<p>\u5728\u4ee5\u5f53\u524d\u50cf\u7d20\u4e3a\u4e2d\u5fc3\u7684\u7a97\u53e3\u5185&#xff0c;\u8ba1\u7b97\u4e24\u4e2a\u503c&#xff1a;<\/p>\n<li>\u5c40\u90e8\u5747\u503c <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>           I<\/p>\n<p>           \u02c9<\/p>\n<p>         \\\\bar{I}<\/p>\n<p>      <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.8201em\"><\/span><span class=\"mord accent\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8201em\"><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><\/span><span class=\"\" style=\"top: -3.2523em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"accent-body\" style=\"left: -0.1389em\"><span class=\"mord\">\u02c9<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>&#xff1a;\u5c31\u662f\u7a97\u53e3\u91cc\u6240\u6709\u50cf\u7d20\u7684\u5e73\u5747\u4eae\u5ea6\u3002<\/li>\n<li>\u5c40\u90e8\u65b9\u5dee <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>           \u03c3<\/p>\n<p>           I<\/p>\n<p>           2<\/p>\n<p>         \\\\sigma_I^2<\/p>\n<p>      <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1.0894em;vertical-align: -0.2753em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03c3<\/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: -2.4247em;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\" style=\"margin-right: 0.0785em\">I<\/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: 0.2753em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>&#xff1a;\u5c31\u662f\u7a97\u53e3\u91cc\u50cf\u7d20\u4eae\u5ea6\u7684\u8d77\u4f0f\u7a0b\u5ea6\u3002\u65b9\u5dee\u8d8a\u5927&#xff0c;\u8bf4\u660e\u660e\u6697\u5bf9\u6bd4\u8d8a\u5f3a\u70c8\u3002<\/li>\n<p>\u540c\u65f6&#xff0c;\u6211\u4eec\u8fd8\u9700\u8981\u4e00\u4e2a\u5168\u5c40\u53c2\u6570&#xff1a;\u7eaf\u566a\u58f0\u65b9\u5dee <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>          \u03c3<\/p>\n<p>          v<\/p>\n<p>          2<\/p>\n<p>        \\\\sigma_v^2<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1.0611em;vertical-align: -0.247em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03c3<\/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: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0359em\">v<\/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: 0.247em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u3002 \u8fd9\u4e2a\u53c2\u6570\u600e\u4e48\u6765&#xff1f;\u5f88\u7b80\u5355&#xff0c;\u4f60\u5728\u58f0\u5450\u56fe\u50cf\u4e0a\u5708\u4e00\u5757\u4f60\u77e5\u9053\u4ec0\u4e48\u90fd\u6ca1\u6709\u7684\u7eaf\u6c34\u4f53\u6216\u5e73\u5766\u6c99\u5730&#xff08;\u5747\u5300\u533a\u57df&#xff09;&#xff0c;\u8ba1\u7b97\u4e00\u4e0b\u5b83\u7684 (\u65b9\u5dee \/ \u5747\u503c\u7684\u5e73\u65b9) \u5373\u53ef&#xff0c;\u5b83\u4ee3\u8868\u4e86\u7cfb\u7edf\u56fa\u6709\u7684\u566a\u58f0\u6ce2\u52a8\u6c34\u5e73\u3002<\/p>\n<h4>\u7b2c\u4e8c\u6b65&#xff1a;\u8ba1\u7b97\u201c\u806a\u660e\u7684\u5927\u8111\u201d\u2014\u2014\u81ea\u9002\u5e94\u6743\u91cd\u56e0\u5b50 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        K<\/p>\n<p>       K<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">K<\/span><\/span><\/span><\/span><\/span><\/h4>\n<p>\u8fd9\u662fLee\u6ee4\u6ce2\u5668\u6700\u6838\u5fc3\u7684\u516c\u5f0f&#xff01;\u8ba1\u7b97\u4e00\u4e2a\u6743\u91cd\u7cfb\u6570 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        K<\/p>\n<p>       K<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">K<\/span><\/span><\/span><\/span><\/span>&#xff1a;<\/p>\n<p><span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         K<\/p>\n<p>         &#061;<\/p>\n<p>            \u03c3<\/p>\n<p>            I<\/p>\n<p>            2<\/p>\n<p>           \u2212<\/p>\n<p>             I<\/p>\n<p>             \u02c9<\/p>\n<p>            2<\/p>\n<p>           \u22c5<\/p>\n<p>            \u03c3<\/p>\n<p>            v<\/p>\n<p>            2<\/p>\n<p>           \u03c3<\/p>\n<p>           I<\/p>\n<p>           2<\/p>\n<p>         K &#061; \\\\frac{\\\\sigma_I^2 &#8211; \\\\bar{I}^2 \\\\cdot \\\\sigma_v^2}{\\\\sigma_I^2} <\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">K<\/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: 2.4766em;vertical-align: -0.9795em\"><\/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: 1.4971em\"><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: 0.0359em\">\u03c3<\/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: -2.4065em;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\" style=\"margin-right: 0.0785em\">I<\/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: 0.2935em\"><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\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03c3<\/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: -2.4247em;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\" style=\"margin-right: 0.0785em\">I<\/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: 0.2753em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/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=\"mord accent\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8201em\"><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><\/span><span class=\"\" style=\"top: -3.2523em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"accent-body\" style=\"left: -0.1389em\"><span class=\"mord\">\u02c9<\/span><\/span><\/span><\/span><\/span><\/span><\/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=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u22c5<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03c3<\/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: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0359em\">v<\/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: 0.247em\"><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: 0.9795em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mclose nulldelimiter\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p>\u4e0d\u8981\u88ab\u516c\u5f0f\u5413\u5230&#xff0c;\u6211\u4eec\u7528\u5927\u767d\u8bdd\u7ffb\u8bd1\u4e00\u4e0b\u8fd9\u4e2a\u516c\u5f0f\u7684\u5206\u5b50\u548c\u5206\u6bcd&#xff1a;<\/p>\n<ul>\n<li>\u5206\u6bcd <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>           \u03c3<\/p>\n<p>           I<\/p>\n<p>           2<\/p>\n<p>         \\\\sigma_I^2<\/p>\n<p>      <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1.0894em;vertical-align: -0.2753em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03c3<\/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: -2.4247em;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\" style=\"margin-right: 0.0785em\">I<\/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: 0.2753em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>&#xff1a;\u662f\u4f60\u5728\u8fd9\u4e2a\u5c0f\u7a97\u53e3\u91cc\u770b\u5230\u7684\u603b\u6ce2\u52a8\u3002<\/li>\n<li>\u51cf\u6570 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>            I<\/p>\n<p>            \u02c9<\/p>\n<p>           2<\/p>\n<p>          \u22c5<\/p>\n<p>           \u03c3<\/p>\n<p>           v<\/p>\n<p>           2<\/p>\n<p>         \\\\bar{I}^2 \\\\cdot \\\\sigma_v^2<\/p>\n<p>      <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.8201em\"><\/span><span class=\"mord\"><span class=\"mord accent\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8201em\"><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><\/span><span class=\"\" style=\"top: -3.2523em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"accent-body\" style=\"left: -0.1389em\"><span class=\"mord\">\u02c9<\/span><\/span><\/span><\/span><\/span><\/span><\/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=\"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: 1.0611em;vertical-align: -0.247em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03c3<\/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: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0359em\">v<\/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: 0.247em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>&#xff1a;\u8fd9\u90e8\u5206\u662f\u7eaf\u7cb9\u7531\u7cfb\u7edf\u6563\u6591\u566a\u58f0\u5f15\u8d77\u7684\u5047\u6ce2\u52a8\u3002<\/li>\n<li>\u5206\u5b50 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>          (<\/p>\n<p>           \u03c3<\/p>\n<p>           I<\/p>\n<p>           2<\/p>\n<p>          \u2212<\/p>\n<p>            I<\/p>\n<p>            \u02c9<\/p>\n<p>           2<\/p>\n<p>          \u22c5<\/p>\n<p>           \u03c3<\/p>\n<p>           v<\/p>\n<p>           2<\/p>\n<p>          )<\/p>\n<p>         (\\\\sigma_I^2 &#8211; \\\\bar{I}^2 \\\\cdot \\\\sigma_v^2)<\/p>\n<p>      <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1.0894em;vertical-align: -0.2753em\"><\/span><span class=\"mopen\">(<\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03c3<\/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: -2.4247em;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\" style=\"margin-right: 0.0785em\">I<\/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: 0.2753em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/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: 0.8201em\"><\/span><span class=\"mord\"><span class=\"mord accent\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8201em\"><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><\/span><span class=\"\" style=\"top: -3.2523em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"accent-body\" style=\"left: -0.1389em\"><span class=\"mord\">\u02c9<\/span><\/span><\/span><\/span><\/span><\/span><\/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=\"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: 1.0641em;vertical-align: -0.25em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">\u03c3<\/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: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0359em\">v<\/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: 0.247em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span>&#xff1a;\u603b\u6ce2\u52a8\u51cf\u53bb\u5047\u6ce2\u52a8&#xff0c;\u5269\u4e0b\u7684\u5c31\u662f\u7531\u771f\u5b9e\u76ee\u6807\u5f15\u8d77\u7684\u771f\u6ce2\u52a8&#xff01;<\/li>\n<\/ul>\n<p>\u6240\u4ee5&#xff0c;<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         K<\/p>\n<p>        K<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">K<\/span><\/span><\/span><\/span><\/span> \u7684\u672c\u8d28\u5c31\u662f\u4e00\u4e2a\u201c\u7f6e\u4fe1\u5ea6\u201d\u3002\u5b83\u4ee3\u8868\u4e86&#xff1a;\u5f53\u524d\u533a\u57df\u7684\u6ce2\u52a8&#xff0c;\u6709\u591a\u5927\u7684\u6982\u7387\u662f\u771f\u5b9e\u76ee\u6807\u5f15\u8d77\u7684&#xff1f;&#xff08;\u6ce8\u610f&#xff0c;\u5982\u679c\u5206\u5b50\u7b97\u51fa\u6765\u5c0f\u4e8e0&#xff0c;\u6211\u4eec\u4f1a\u5f3a\u5236\u628a <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        K<\/p>\n<p>       K<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">K<\/span><\/span><\/span><\/span><\/span> \u8bbe\u4e3a0&#xff09;\u3002<\/p>\n<h4>\u7b2c\u4e09\u6b65&#xff1a;\u8f93\u51fa\u6700\u7ec8\u53bb\u566a\u7ed3\u679c<\/h4>\n<p>\u7b97\u51fa\u4e86\u7f6e\u4fe1\u5ea6 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        K<\/p>\n<p>       K<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">K<\/span><\/span><\/span><\/span><\/span>&#xff0c;\u6211\u4eec\u5c31\u53ef\u4ee5\u4f30\u7b97\u771f\u5b9e\u7684\u50cf\u7d20\u503c <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         X<\/p>\n<p>         ^<\/p>\n<p>       \\\\hat{X}<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.9468em\"><\/span><span class=\"mord accent\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.9468em\"><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">X<\/span><\/span><span class=\"\" style=\"top: -3.2523em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"accent-body\" style=\"left: -0.1667em\"><span class=\"mord\">^<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span> \u4e86&#xff1a;<\/p>\n<p><span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>          X<\/p>\n<p>          ^<\/p>\n<p>         &#061;<\/p>\n<p>          I<\/p>\n<p>          \u02c9<\/p>\n<p>         &#043;<\/p>\n<p>         K<\/p>\n<p>         \u22c5<\/p>\n<p>         (<\/p>\n<p>         I<\/p>\n<p>         \u2212<\/p>\n<p>          I<\/p>\n<p>          \u02c9<\/p>\n<p>         )<\/p>\n<p>         \\\\hat{X} &#061; \\\\bar{I} &#043; K \\\\cdot (I &#8211; \\\\bar{I}) <\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.9468em\"><\/span><span class=\"mord accent\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.9468em\"><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">X<\/span><\/span><span class=\"\" style=\"top: -3.2523em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"accent-body\" style=\"left: -0.1667em\"><span class=\"mord\">^<\/span><\/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: 0.9034em;vertical-align: -0.0833em\"><\/span><span class=\"mord accent\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8201em\"><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><\/span><span class=\"\" style=\"top: -3.2523em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"accent-body\" style=\"left: -0.1389em\"><span class=\"mord\">\u02c9<\/span><\/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: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">K<\/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: 1em;vertical-align: -0.25em\"><\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/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: 1.0701em;vertical-align: -0.25em\"><\/span><span class=\"mord accent\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8201em\"><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><\/span><span class=\"\" style=\"top: -3.2523em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"accent-body\" style=\"left: -0.1389em\"><span class=\"mord\">\u02c9<\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p>\u8ba9\u6211\u4eec\u89c1\u8bc1\u5947\u8ff9\u7684\u65f6\u523b&#xff0c;\u770b\u770b\u516c\u5f0f\u662f\u5982\u4f55\u65bd\u5c55\u9b54\u6cd5\u7684&#xff1a;<\/p>\n<p>\u60c5\u666f A&#xff1a;\u6f2b\u6e38\u5728\u5e73\u5766\u6d77\u5e95&#xff08;\u7eaf\u80cc\u666f\u533a&#xff09; \u8fd9\u65f6\u5019&#xff0c;\u7a97\u53e3\u91cc\u6ca1\u4ec0\u4e48\u76ee\u6807&#xff0c;\u603b\u6ce2\u52a8\u51e0\u4e4e\u5168\u662f\u566a\u58f0\u5f15\u8d77\u7684\u3002\u5206\u5b50\u63a5\u8fd1 0&#xff0c;\u6240\u4ee5\u7b97\u51fa\u6765\u7684 \u7f6e\u4fe1\u5ea6 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         K<\/p>\n<p>         \u2248<\/p>\n<p>         0<\/p>\n<p>        K \\\\approx 0<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">K<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2248<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.6444em\"><\/span><span class=\"mord\">0<\/span><\/span><\/span><\/span><\/span>\u3002 \u628a <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        K<\/p>\n<p>        &#061;<\/p>\n<p>        0<\/p>\n<p>       K&#061;0<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">K<\/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: 0.6444em\"><\/span><span class=\"mord\">0<\/span><\/span><\/span><\/span><\/span> \u4ee3\u5165\u6700\u7ec8\u516c\u5f0f&#xff1a; <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         X<\/p>\n<p>         ^<\/p>\n<p>        &#061;<\/p>\n<p>         I<\/p>\n<p>         \u02c9<\/p>\n<p>        &#043;<\/p>\n<p>        0<\/p>\n<p>        \u22c5<\/p>\n<p>        (<\/p>\n<p>        I<\/p>\n<p>        \u2212<\/p>\n<p>         I<\/p>\n<p>         \u02c9<\/p>\n<p>        )<\/p>\n<p>       \\\\hat{X} &#061; \\\\bar{I} &#043; 0 \\\\cdot (I &#8211; \\\\bar{I})<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.9468em\"><\/span><span class=\"mord accent\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.9468em\"><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">X<\/span><\/span><span class=\"\" style=\"top: -3.2523em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"accent-body\" style=\"left: -0.1667em\"><span class=\"mord\">^<\/span><\/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: 0.9034em;vertical-align: -0.0833em\"><\/span><span class=\"mord accent\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8201em\"><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><\/span><span class=\"\" style=\"top: -3.2523em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"accent-body\" style=\"left: -0.1389em\"><span class=\"mord\">\u02c9<\/span><\/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: 0.6444em\"><\/span><span class=\"mord\">0<\/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: 1em;vertical-align: -0.25em\"><\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/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: 1.0701em;vertical-align: -0.25em\"><\/span><span class=\"mord accent\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8201em\"><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><\/span><span class=\"\" style=\"top: -3.2523em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"accent-body\" style=\"left: -0.1389em\"><span class=\"mord\">\u02c9<\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span> <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        \u21d2<\/p>\n<p>       \\\\Rightarrow<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.3669em\"><\/span><span class=\"mrel\">\u21d2<\/span><\/span><\/span><\/span><\/span> <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>          X<\/p>\n<p>          ^<\/p>\n<p>         &#061;<\/p>\n<p>          I<\/p>\n<p>          \u02c9<\/p>\n<p>        \\\\hat{X} &#061; \\\\bar{I}<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.9468em\"><\/span><span class=\"mord accent\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.9468em\"><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">X<\/span><\/span><span class=\"\" style=\"top: -3.2523em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"accent-body\" style=\"left: -0.1667em\"><span class=\"mord\">^<\/span><\/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: 0.8201em\"><\/span><span class=\"mord accent\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8201em\"><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><\/span><span class=\"\" style=\"top: -3.2523em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"accent-body\" style=\"left: -0.1389em\"><span class=\"mord\">\u02c9<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span> \u7ed3\u8bba&#xff1a;\u5728\u5e73\u5766\u533a\u57df&#xff0c;\u6ee4\u6ce2\u5668\u53d8\u6210\u4e86\u5747\u503c\u6ee4\u6ce2\u5668&#xff0c;\u7528\u5e73\u5747\u503c\u66ff\u4ee3\u4e86\u566a\u58f0&#xff0c;\u753b\u9762\u53d8\u5f97\u6781\u5176\u5e73\u6ed1\u5e72\u51c0\u3002<\/p>\n<p>\u60c5\u666f B&#xff1a;\u8de8\u8d8a\u6c34\u96f7\u7684\u8fb9\u7f18&#xff08;\u76ee\u6807\u8fb9\u7f18\u533a&#xff09; \u8fd9\u65f6\u5019&#xff0c;\u7a97\u53e3\u4e00\u534a\u662f\u9ad8\u4eae\u6c34\u96f7&#xff0c;\u4e00\u534a\u662f\u9ed1\u6697\u9634\u5f71&#xff0c;\u603b\u6ce2\u52a8\u6781\u5176\u5de8\u5927&#xff0c;\u8fdc\u8fdc\u76d6\u8fc7\u4e86\u566a\u58f0\u7684\u5047\u6ce2\u52a8\u3002\u5206\u5b50\u51e0\u4e4e\u7b49\u4e8e\u5206\u6bcd&#xff0c;\u6240\u4ee5\u7b97\u51fa\u6765\u7684 \u7f6e\u4fe1\u5ea6 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         K<\/p>\n<p>         \u2248<\/p>\n<p>         1<\/p>\n<p>        K \\\\approx 1<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">K<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2248<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.6444em\"><\/span><span class=\"mord\">1<\/span><\/span><\/span><\/span><\/span>\u3002 \u628a <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        K<\/p>\n<p>        &#061;<\/p>\n<p>        1<\/p>\n<p>       K&#061;1<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">K<\/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: 0.6444em\"><\/span><span class=\"mord\">1<\/span><\/span><\/span><\/span><\/span> \u4ee3\u5165\u6700\u7ec8\u516c\u5f0f&#xff1a; <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         X<\/p>\n<p>         ^<\/p>\n<p>        &#061;<\/p>\n<p>         I<\/p>\n<p>         \u02c9<\/p>\n<p>        &#043;<\/p>\n<p>        1<\/p>\n<p>        \u22c5<\/p>\n<p>        (<\/p>\n<p>        I<\/p>\n<p>        \u2212<\/p>\n<p>         I<\/p>\n<p>         \u02c9<\/p>\n<p>        )<\/p>\n<p>       \\\\hat{X} &#061; \\\\bar{I} &#043; 1 \\\\cdot (I &#8211; \\\\bar{I})<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.9468em\"><\/span><span class=\"mord accent\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.9468em\"><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">X<\/span><\/span><span class=\"\" style=\"top: -3.2523em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"accent-body\" style=\"left: -0.1667em\"><span class=\"mord\">^<\/span><\/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: 0.9034em;vertical-align: -0.0833em\"><\/span><span class=\"mord accent\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8201em\"><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><\/span><span class=\"\" style=\"top: -3.2523em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"accent-body\" style=\"left: -0.1389em\"><span class=\"mord\">\u02c9<\/span><\/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: 0.6444em\"><\/span><span class=\"mord\">1<\/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: 1em;vertical-align: -0.25em\"><\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/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: 1.0701em;vertical-align: -0.25em\"><\/span><span class=\"mord accent\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8201em\"><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><\/span><span class=\"\" style=\"top: -3.2523em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"accent-body\" style=\"left: -0.1389em\"><span class=\"mord\">\u02c9<\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span> <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        \u21d2<\/p>\n<p>       \\\\Rightarrow<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.3669em\"><\/span><span class=\"mrel\">\u21d2<\/span><\/span><\/span><\/span><\/span> <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>          X<\/p>\n<p>          ^<\/p>\n<p>         &#061;<\/p>\n<p>         I<\/p>\n<p>        \\\\hat{X} &#061; I<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.9468em\"><\/span><span class=\"mord accent\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.9468em\"><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">X<\/span><\/span><span class=\"\" style=\"top: -3.2523em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"accent-body\" style=\"left: -0.1667em\"><span class=\"mord\">^<\/span><\/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: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><\/span><\/span><\/span><\/span> \u7ed3\u8bba&#xff1a;\u5728\u76ee\u6807\u8fb9\u7f18&#xff0c;\u6ee4\u6ce2\u5668\u9009\u62e9\u76f4\u63a5\u4fe1\u4efb\u539f\u59cb\u50cf\u7d20 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         I<\/p>\n<p>        I<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><\/span><\/span><\/span><\/span>&#xff08;\u4e0d\u4f5c\u4efb\u4f55\u6539\u53d8&#xff09;\u3002\u8fd9\u5c31\u5b8c\u7f8e\u4fdd\u62a4\u4e86\u6c34\u96f7\u7684\u9510\u5229\u8fb9\u7f18&#xff0c;\u9632\u6b62\u5b83\u88ab\u6a21\u7cca\u6389&#xff01;<\/p>\n<hr \/>\n<h3>6. \u603b\u7ed3\u4e0e\u5ef6\u4f38<\/h3>\n<p>\u901a\u8fc7\u4e0a\u8ff0\u62c6\u89e3\u6211\u4eec\u53ef\u4ee5\u770b\u51fa&#xff0c;\u5904\u7406\u524d\u89c6\u58f0\u5450\u7684\u6563\u6591\u566a\u58f0&#xff0c;\u7cbe\u9ad3\u5728\u4e8e&#xff1a;<\/p>\n<li>\u8001\u8001\u5b9e\u5b9e\u5f85\u5728\u6781\u5750\u6807\u91cc\u7b97&#xff0c;\u4e0d\u8981\u6025\u7740\u753b\u6247\u5f62\u56fe\u3002<\/li>\n<li>\u627f\u8ba4\u4e58\u6027\u566a\u58f0\u7684\u73b0\u5b9e&#xff0c;\u5229\u7528Lee\u6ee4\u6ce2\u5668\u8fd9\u79cd\u57fa\u4e8e\u5c40\u90e8\u65b9\u5dee\u7684\u81ea\u9002\u5e94\u7b97\u6cd5&#xff0c;\u5728\u201c\u62b9\u5e73\u80cc\u666f\u201d\u548c\u201c\u4fdd\u7559\u8fb9\u7f18\u201d\u4e4b\u95f4\u505a\u667a\u80fd\u7684\u52a8\u6001\u5207\u6362\u3002<\/li>\n<p>\u9664\u4e86 Lee \u6ee4\u6ce2\u5668&#xff0c;\u76ee\u524d\u5728\u6781\u5750\u6807\u57df\u5e38\u7528\u7684\u8fd8\u6709 Frost 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