{"id":109941,"date":"2026-09-25T09:08:53","date_gmt":"2026-09-25T01:08:53","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/109941.html"},"modified":"2026-09-25T09:08:53","modified_gmt":"2026-09-25T01:08:53","slug":"%e7%8e%b0%e4%bb%a3%e6%99%ba%e8%83%bd%e9%9b%b7%e8%be%be%e6%8a%80%e6%9c%af12-%e9%98%b5%e5%88%97%e4%b8%8e%e6%88%90%e5%83%8f-%ef%bc%881%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/109941.html","title":{"rendered":"\u73b0\u4ee3\u667a\u80fd\u96f7\u8fbe\u6280\u672f12\u2014\u2014\u9635\u5217\u4e0e\u6210\u50cf \uff081\uff09"},"content":{"rendered":"<p>MIMO\u96f7\u8fbe\u901a\u8fc7\u6b63\u4ea4\u53d1\u5c04\u4e0e\u865a\u62df\u5b54\u5f84\u6280\u672f&#xff0c;\u4ee5\u5c11\u91cf\u7269\u7406\u5929\u7ebf\u5b9e\u73b0\u7b49\u6548\u5927\u89c4\u6a21\u9635\u5217&#xff0c;\u663e\u8457\u63d0\u5347\u89d2\u5206\u8fa8\u7387\u4e0e\u70b9\u4e91\u5bc6\u5ea6\u3002\u5176\u6838\u5fc3\u5728\u4e8e\u53d1\u5c04\u4e0e\u63a5\u6536\u9635\u5217\u7684\u7a7a\u95f4\u5377\u79ef\u751f\u6210\u8fde\u7eed\u865a\u62df\u9635\u5217&#xff0c;\u7ed3\u5408TDM\u3001FDM\u3001CDM\u7b49\u6b63\u4ea4\u6ce2\u5f62\u5b9e\u73b0\u4fe1\u53f7\u5206\u79bb\u3002\u7a00\u758f\u9635\u5217\u8bbe\u8ba1&#xff08;\u5982MRA\u3001\u4e92\u8d28\u9635\u5217&#xff09;\u8fdb\u4e00\u6b65\u4f18\u5316\u5e03\u5c40&#xff0c;\u5728\u6709\u9650\u786c\u4ef6\u4e0b\u903c\u8fd1\u6700\u5927\u5b54\u5f84\u4e0e\u6700\u4f4e\u6805\u74e3&#xff0c;\u6210\u4e3a4D\u6210\u50cf\u96f7\u8fbe\u6027\u80fd\u7a81\u7834\u7684\u5173\u952e\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"634\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260925010851-6ab5c9a3e4699.png\" width=\"905\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"140\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260925010852-6ab5c9a49bf05.png\" width=\"474\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"510\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260925010852-6ab5c9a4b5473.png\" width=\"720\" \/><\/p>\n<p>\u5728\u76f8\u63a7\u9635\u4e4b\u540e&#xff0c;MIMO (Multiple-Input Multiple-Output)\u00a0\u662f\u96f7\u8fbe\u9886\u57df\u7684\u53c8\u4e00\u6b21\u98a0\u8986\u3002<\/p>\n<p>\u76f8\u63a7\u9635\u8ffd\u6c42\u7684\u662f\u201c\u4e07\u4f17\u4e00\u5fc3\u201d&#xff08;\u76f8\u5e72\u53d1\u5c04&#xff0c;\u529f\u7387\u805a\u7126&#xff09;&#xff1b;\u800c MIMO \u8ffd\u6c42\u7684\u662f**\u201c\u5404\u81ea\u4e3a\u6218\u201d**&#xff08;\u6b63\u4ea4\u53d1\u5c04&#xff0c;\u4fe1\u606f\u6700\u5927\u5316&#xff09;\u3002<\/p>\n<p>MIMO \u7684\u6838\u5fc3\u9b54\u672f\u662f**\u201c\u865a\u62df\u5b54\u5f84\u201d**&#xff1a;\u7528\u5c11\u91cf\u7684\u7269\u7406\u5929\u7ebf&#xff0c;\u53d8\u9b54\u672f\u822c\u5730\u201c\u865a\u62df\u201d\u51fa\u4e00\u4e2a\u5de8\u5927\u7684\u5929\u7ebf\u9635\u5217\u3002\u8fd9\u6b63\u662f\u76ee\u524d\u8f66\u8f7d\u00a04D \u6210\u50cf\u96f7\u8fbe\u00a0\u80fd\u628a\u51e0\u767e\u4e2a\u70b9\u4e91\u53d8\u6210\u51e0\u5343\u4e2a\u70b9\u4e91\u7684\u7269\u7406\u57fa\u7840\u3002<\/p>\n<hr \/>\n<h2>5.1 \u865a\u62df\u5b54\u5f84\u539f\u7406&#xff1a;\u4ee5\u5c11\u80dc\u591a\u7684\u6570\u5b66\u9b54\u672f<\/h2>\n<h4>1. \u7269\u7406\u672c\u8d28&#xff1a;\u5377\u79ef\u5b9a\u7406<\/h4>\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u53d1\u5c04\u9635\u5217&#xff08;\u4f4d\u7f6e\u96c6\u5408\u00a0{xtx}{xtx\u200b}&#xff09;\u548c\u4e00\u4e2a\u63a5\u6536\u9635\u5217&#xff08;\u4f4d\u7f6e\u96c6\u5408\u00a0{xrx}{xrx\u200b}&#xff09;\u3002<br \/>\nMIMO \u96f7\u8fbe\u7684\u7b49\u6548\u865a\u62df\u9635\u5217&#xff0c;\u5728\u6570\u5b66\u4e0a\u662f\u53d1\u5c04\u9635\u5217\u4e0e\u63a5\u6536\u9635\u5217\u4f4d\u7f6e\u7684\u7a7a\u95f4\u5377\u79ef\u3002<\/p>\n<ul>\n<li>\u901a\u4fd7\u89e3\u91ca&#xff1a;\n<ul>\n<li>\u8bbe\u60f3\u6bcf\u4e00\u4e2a TX \u5929\u7ebf\u90fd\u662f\u4e00\u4e2a\u201c\u63a2\u7167\u706f\u201d\u3002<\/li>\n<li>\u8bbe\u60f3\u6bcf\u4e00\u4e2a RX \u5929\u7ebf\u90fd\u662f\u4e00\u4e2a\u201c\u7167\u76f8\u673a\u201d\u3002<\/li>\n<li>\u5982\u679c TX1 \u7167\u4eae\u4e86\u76ee\u6807&#xff0c;RX1~RXm \u62cd\u4e86\u4e00\u7ec4\u7167\u7247\u3002<\/li>\n<li>\u5982\u679c TX2 \u7167\u4eae\u4e86\u76ee\u6807&#xff0c;RX1~RXm \u53c8\u62cd\u4e86\u4e00\u7ec4\u7167\u7247\u3002<\/li>\n<li>\u53ea\u8981\u6211\u4eec\u80fd\u533a\u5206\u51fa\u54ea\u7ec4\u7167\u7247\u662f TX1 \u7167\u7684&#xff0c;\u54ea\u7ec4\u662f TX2 \u7167\u7684&#xff08;\u901a\u8fc7\u6b63\u4ea4\u6ce2\u5f62&#xff09;&#xff0c;\u6211\u4eec\u5c31\u76f8\u5f53\u4e8e\u62e5\u6709\u4e86\u00a0N\u00d7MN\u00d7M\u00a0\u7ec4\u72ec\u7acb\u7684\u89c2\u6d4b\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>2. \u5b9e\u6218\u5e03\u9635&#xff1a;\u4ee5 3\u53d14\u6536 \u4e3a\u4f8b<\/h4>\n<ul>\n<li>\u7269\u7406\u9635\u5217&#xff1a;\n<ul>\n<li>TX \u9635\u5217&#xff1a;3 \u6839\u5929\u7ebf&#xff0c;\u95f4\u8ddd\u4e3a\u00a04d4d&#xff08;\u7a00\u758f\u5e03\u7f6e&#xff09;\u3002\u4f4d\u7f6e&#xff1a;0,4d,8d0,4d,8d\u3002<\/li>\n<li>RX \u9635\u5217&#xff1a;4 \u6839\u5929\u7ebf&#xff0c;\u95f4\u8ddd\u4e3a\u00a0dd&#xff08;\u7d27\u5bc6\u5e03\u7f6e&#xff09;\u3002\u4f4d\u7f6e&#xff1a;0,d,2d,3d0,d,2d,3d\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u865a\u62df\u9635\u5217\u751f\u6210&#xff1a;\n<ul>\n<li>TX1 (\u4f4d\u7f6e0) \u53d1\u5c04\u00a0\u2192\u2192\u00a0RX \u6536\u5230\u6570\u636e&#xff0c;\u5bf9\u5e94\u865a\u62df\u4f4d\u7f6e\u00a00&#043;0,0&#043;d,0&#043;2d,0&#043;3d0&#043;0,0&#043;d,0&#043;2d,0&#043;3d\u3002<\/li>\n<li>TX2 (\u4f4d\u7f6e4d) \u53d1\u5c04\u00a0\u2192\u2192\u00a0RX \u6536\u5230\u6570\u636e&#xff0c;\u5bf9\u5e94\u865a\u62df\u4f4d\u7f6e\u00a04d&#043;0,4d&#043;d,4d&#043;2d,4d&#043;3d4d&#043;0,4d&#043;d,4d&#043;2d,4d&#043;3d\u3002<\/li>\n<li>TX3 (\u4f4d\u7f6e8d) \u53d1\u5c04\u00a0\u2192\u2192\u00a0RX \u6536\u5230\u6570\u636e&#xff0c;\u5bf9\u5e94\u865a\u62df\u4f4d\u7f6e\u00a08d&#043;0,8d&#043;d,8d&#043;2d,8d&#043;3d8d&#043;0,8d&#043;d,8d&#043;2d,8d&#043;3d\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u7ed3\u679c&#xff1a;<br \/>\n\u6211\u4eec\u5f97\u5230\u4e86\u4e00\u4e2a\u4f4d\u7f6e\u4ece\u00a000\u00a0\u5230\u00a011d11d\u00a0\u7684\u3001\u8fde\u7eed\u7684\u3001\u5747\u5300\u768412 \u5143\u7ebf\u9635\u3002<\/p>\n<ul>\n<li>\u7269\u7406\u6210\u672c&#xff1a;7 \u6839\u5929\u7ebf (3&#043;4)\u3002<\/li>\n<li>\u7b49\u6548\u6027\u80fd&#xff1a;12 \u6839\u5929\u7ebf\u3002<\/li>\n<li>\u589e\u76ca&#xff1a;\u5b54\u5f84\u6269\u5927\u4e86&#xff0c;\u89d2\u5206\u8fa8\u7387\u663e\u8457\u63d0\u5347\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>3. \u5e94\u7528\u4ef7\u503c<\/h4>\n<ul>\n<li>4D \u6210\u50cf\u96f7\u8fbe&#xff1a;\n<ul>\n<li>\u5229\u7528\u7ea7\u8054\u82af\u7247&#xff08;\u5982 4 \u7247\u7ea7\u8054&#xff09;&#xff0c;\u6784\u5efa 12TX 16RX\u3002<\/li>\n<li>\u865a\u62df\u5b54\u5f84\u9ad8\u8fbe\u00a012\u00d716&#061;19212\u00d716&#061;192\u00a0\u4e2a\u901a\u9053\u3002<\/li>\n<li>\u8fd9\u5c31\u597d\u6bd4\u62e5\u6709\u4e86\u4e00\u4e2a 192 \u50cf\u7d20\u7684\u201c\u6444\u50cf\u5934\u201d&#xff0c;\u8db3\u4ee5\u52fe\u52d2\u51fa\u8f66\u8f86\u7684\u8f6e\u5ed3&#xff0c;\u751a\u81f3\u533a\u5206\u7acb\u4ea4\u6865\u548c\u8def\u9762\u8f66\u8f86\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4f4e\u6210\u672c&#xff1a;\n<ul>\n<li>MIMO \u8ba9\u6211\u4eec\u7528\u6781\u5176\u6709\u9650\u7684\u786c\u4ef6\u6210\u672c&#xff0c;\u6362\u53d6\u4e86\u5de8\u5927\u7684\u7a7a\u95f4\u81ea\u7531\u5ea6\u3002\u8fd9\u5c31\u662f\u6469\u5c14\u5b9a\u5f8b&#xff08;\u7b97\u529b\u6362\u786c\u4ef6&#xff09;\u5728\u96f7\u8fbe\u9886\u57df\u7684\u4f53\u73b0\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u603b\u7ed3&#xff1a;<br \/>\n\u865a\u62df\u5b54\u5f84\u539f\u7406\u662f MIMO \u96f7\u8fbe\u7684\u57fa\u77f3\u3002\u5b83\u544a\u8bc9\u6211\u4eec&#xff1a;\u53ea\u8981\u53d1\u5f97\u6b63\u4ea4&#xff0c;\u6536\u5f97\u660e\u767d&#xff0c;1&#043;1 \u53ef\u4ee5\u8fdc\u5927\u4e8e 2\u3002<\/p>\n<p>\u865a\u62df\u5b54\u5f84\u867d\u597d&#xff0c;\u4f46\u524d\u63d0\u662f\u63a5\u6536\u7aef\u5fc5\u987b\u80fd**\u201c\u5206\u5f97\u6e05\u201d\u56de\u6ce2\u662f\u54ea\u4e2a\u53d1\u5c04\u5929\u7ebf\u53d1\u51fa\u6765\u7684\u3002\u8fd9\u5c31\u662f\u6b63\u4ea4\u6ce2\u5f62 (Orthogonal Waveforms)** \u7684\u4efb\u52a1\u3002<\/p>\n<p>\u76ee\u524d\u4e3b\u6d41\u7684 MIMO \u6ce2\u5f62\u4e3b\u8981\u6709\u4e09\u7c7b\u3002\u8fd9\u5c31\u597d\u6bd4\u5728\u4e00\u4e2a\u623f\u95f4\u91cc&#xff0c;\u4e09\u4e2a\u4eba&#xff08;\u53d1\u5c04\u5929\u7ebf&#xff09;\u8981\u540c\u65f6\u8bf4\u8bdd&#xff0c;\u542c\u4f17&#xff08;\u63a5\u6536\u5929\u7ebf&#xff09;\u600e\u4e48\u624d\u80fd\u542c\u6e05\u695a\u6bcf\u4e2a\u4eba\u8bf4\u4e86\u4ec0\u4e48&#xff1f;<\/p>\n<hr \/>\n<h2>5.2 \u6b63\u4ea4\u6ce2\u5f62\u8bbe\u8ba1&#xff1a;\u5982\u4f55\u5728\u5608\u6742\u4e2d\u5206\u8fa8\u4f60\u6211<\/h2>\n<h4>1. TDM (Time Division Multiplexing) \u2014\u2014 \u8f6e\u6d41\u8bf4\u8bdd<\/h4>\n<p>\u8fd9\u662f\u6700\u7b80\u5355\u3001\u6700\u6210\u719f&#xff0c;\u4e5f\u662f\u76ee\u524d\u8f66\u8f7d\u96f7\u8fbe\u7edd\u5bf9\u4e3b\u6d41\u7684\u65b9\u6848\u3002<\/p>\n<ul>\n<li>\u539f\u7406&#xff1a;\n<ul>\n<li>\u65f6\u95f4\u5207\u7247\u3002TX1 \u5148\u53d1\u4e00\u4e2a Chirp&#xff0c;\u5927\u5bb6\u90fd\u95ed\u5634&#xff1b;\u53d1\u5b8c\u4e86 TX2 \u518d\u53d1&#xff0c;\u7136\u540e TX3&#8230;<\/li>\n<li>\u63a5\u6536\u7aef\u6839\u636e\u65f6\u95f4\u7a97\u5c31\u80fd\u77e5\u9053\u662f\u8c01\u53d1\u7684\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4f18\u70b9&#xff1a;\n<ul>\n<li>\u6b63\u4ea4\u6027\u5b8c\u7f8e&#xff1a;\u7269\u7406\u4e0a\u5b8c\u5168\u9694\u5f00&#xff0c;\u6ca1\u6709\u4efb\u4f55\u5e72\u6270\u3002<\/li>\n<li>\u786c\u4ef6\u7b80\u5355&#xff1a;\u53d1\u5c04\u673a\u4e0d\u9700\u8981\u540c\u65f6\u5168\u529f\u7387\u5de5\u4f5c&#xff0c;\u751a\u81f3\u53ef\u4ee5\u5171\u7528\u4e00\u4e9b\u5c04\u9891\u94fe\u8def\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u7f3a\u70b9&#xff1a;\n<ul>\n<li>\u6700\u5927\u4e0d\u6a21\u7cca\u901f\u5ea6\u4e0b\u964d&#xff1a;\u56e0\u4e3a TX1 \u53d1\u5b8c\u4e00\u6b21\u540e&#xff0c;\u8981\u7b49\u4e00\u5708\u624d\u80fd\u53d1\u7b2c\u4e8c\u6b21\u3002\u8109\u51b2\u91cd\u590d\u95f4\u9694\u53d8\u957f\u4e86 (N\u00d7PRIN\u00d7PRI)&#xff0c;\u5bfc\u81f4\u00a0vmaxvmax\u200b\u00a0\u4e0b\u964d\u4e86\u00a0NN\u00a0\u500d\u3002<\/li>\n<li>\u8fd0\u52a8\u8865\u507f\u9ebb\u70e6&#xff1a;\u5728\u7b49\u5f85\u671f\u95f4&#xff0c;\u76ee\u6807\u8dd1\u4e86\u3002\u4e0d\u540c TX \u6d4b\u5f97\u7684\u76f8\u4f4d\u5305\u542b\u4e86\u76ee\u6807\u8fd0\u52a8\u5f15\u8d77\u7684\u989d\u5916\u76f8\u4f4d&#xff0c;\u5fc5\u987b\u89e3\u7b97\u8865\u507f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h4>2. FDM (Frequency Division Multiplexing) \u2014\u2014 \u4e0d\u540c\u97f3\u8c03<\/h4>\n<ul>\n<li>\u539f\u7406&#xff1a;\n<ul>\n<li>TX1 \u53d1\u5c04\u9891\u7387\u00a0f1f1\u200b&#xff0c;TX2 \u53d1\u5c04\u9891\u7387\u00a0f2f2\u200b&#xff08;\u901a\u5e38\u662f\u52a0\u4e0a\u4e00\u4e2a\u9891\u504f\u00a0\u0394f\u0394f&#xff09;\u3002<\/li>\n<li>\u63a5\u6536\u7aef\u901a\u8fc7\u6ee4\u6ce2\u5668&#xff08;\u6216\u8005\u5728\u9891\u57df\u4e0a&#xff09;\u628a\u4e0d\u540c\u9891\u7387\u7684\u4fe1\u53f7\u5206\u5f00\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4f18\u70b9&#xff1a;\n<ul>\n<li>\u540c\u65f6\u53d1\u5c04&#xff1a;\u6240\u6709 TX \u4e00\u8d77\u543c&#xff0c;\u63a2\u6d4b\u80fd\u91cf\u9ad8\u3002<\/li>\n<li>\u901f\u5ea6\u4e0d\u6a21\u7cca&#xff1a;\u91c7\u6837\u7387\u591f\u9ad8\u5c31\u884c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u7f3a\u70b9&#xff1a;\n<ul>\n<li>\u8026\u5408\u95ee\u9898&#xff1a;\u4e3a\u4e86\u5206\u79bb\u9891\u8c31&#xff0c;\u5f80\u5f80\u4f1a\u628a\u8ddd\u79bb\u7ef4\u548c\u591a\u666e\u52d2\u7ef4\u8026\u5408\u5728\u4e00\u8d77&#xff08;\u6bd4\u5982 DDMA \u6280\u672f&#xff09;&#xff0c;\u9700\u8981\u590d\u6742\u7684\u89e3\u8026\u7b97\u6cd5\u3002<\/li>\n<li>\u5e26\u5bbd\u6d6a\u8d39&#xff1a;\u5360\u7528\u4e86\u66f4\u591a\u7684\u9891\u8c31\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h4>3. CDM (Code Division Multiplexing) \u2014\u2014 \u4e0d\u540c\u8bed\u8a00<\/h4>\n<p>\u8fd9\u662f\u6700\u7406\u60f3&#xff0c;\u4f46\u4e5f\u6700\u96be\u5b9e\u73b0\u7684\u65b9\u6848&#xff08;\u7c7b\u4f3c PMCW&#xff09;\u3002<\/p>\n<ul>\n<li>\u539f\u7406&#xff1a;\n<ul>\n<li>TX1 \u8bf4\u82f1\u8bed&#xff0c;TX2 \u8bf4\u6cd5\u8bed&#xff08;\u5404\u81ea\u52a0\u8f7d\u4e0d\u540c\u7684\u6b63\u4ea4\u7801\u5e8f\u5217&#xff0c;\u5982 Walsh \u7801&#xff09;\u3002<\/li>\n<li>\u63a5\u6536\u7aef\u901a\u8fc7\u76f8\u5173\u5668 (Correlator)\u00a0\u89e3\u7801\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4f18\u70b9&#xff1a;\n<ul>\n<li>\u540c\u65f6\u53d1\u5c04\u3002<\/li>\n<li>\u9891\u8c31\u5171\u4eab\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u7f3a\u70b9&#xff1a;\n<ul>\n<li>\u591a\u666e\u52d2\u654f\u611f\u6027&#xff1a;\u96f7\u8fbe\u76ee\u6807\u4e0d\u4ec5\u6709\u5ef6\u65f6&#xff0c;\u8fd8\u6709\u591a\u666e\u52d2\u9891\u79fb\u3002\u591a\u666e\u52d2\u9891\u79fb\u4f1a\u7834\u574f\u7801\u7684\u6b63\u4ea4\u6027&#xff0c;\u5bfc\u81f4\u4e25\u91cd\u7684\u4e92\u76f8\u5173\u5e72\u6270 (Cross-Correlation Interference)\u3002<\/li>\n<li>\u52a8\u6001\u8303\u56f4\u95ee\u9898&#xff1a;\u5f3a\u76ee\u6807\u7684\u65c1\u74e3&#xff08;\u56e0\u4e3a\u6b63\u4ea4\u6027\u4e0d\u5b8c\u7f8e&#xff09;\u4f1a\u6df9\u6ca1\u5f31\u76ee\u6807\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>\u603b\u7ed3\u4e0e\u8d8b\u52bf<\/h4>\n<table>\n<tr>\u7279\u6027TDM (\u65f6\u5206)FDM (\u9891\u5206\/DDMA)CDM (\u7801\u5206)<\/tr>\n<tbody>\n<tr>\n<td>\u6b63\u4ea4\u6027<\/td>\n<td>\u5b8c\u7f8e (Perfect)<\/td>\n<td>\u597d<\/td>\n<td>\u8f83\u5dee (\u53d7\u591a\u666e\u52d2\u5f71\u54cd)<\/td>\n<\/tr>\n<tr>\n<td>\u786c\u4ef6\u590d\u6742\u5ea6<\/td>\n<td>\u4f4e<\/td>\n<td>\u4e2d<\/td>\n<td>\u9ad8<\/td>\n<\/tr>\n<tr>\n<td>\u6700\u5927\u901f\u5ea6<\/td>\n<td>\u4e0b\u964d N \u500d<\/td>\n<td>\u4e0d\u53d8<\/td>\n<td>\u4e0d\u53d8<\/td>\n<\/tr>\n<tr>\n<td>\u5f53\u524d\u5730\u4f4d<\/td>\n<td>\u4e3b\u6d41 (\u8f66\u8f7d)<\/td>\n<td>4D \u96f7\u8fbe\u65b0\u5ba0<\/td>\n<td>\u672a\u6765\u65b9\u5411 (PMCW)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>\u5bf9\u4e8e\u4f4e\u901f\u3001\u4f4e\u6210\u672c\u5e94\u7528&#xff08;\u5982\u6cca\u8f66\u96f7\u8fbe&#xff09;&#xff0c;TDM\u00a0\u662f\u738b\u8005\u3002<\/li>\n<li>\u5bf9\u4e8e\u9ad8\u901f\u3001\u9ad8\u6027\u80fd\u5e94\u7528&#xff08;\u5982 L3 \u81ea\u52a8\u9a7e\u9a76&#xff09;&#xff0c;\u4e3a\u4e86\u89e3\u51b3 TDM \u7684\u901f\u5ea6\u6a21\u7cca\u95ee\u9898&#xff0c;\u884c\u4e1a\u6b63\u5728\u5411\u00a0DDMA (\u591a\u666e\u52d2\u5206\u591a\u5740)\u00a0\u8fd9\u79cd\u7279\u6b8a\u7684 FDM \u53d8\u79cd\u8fc1\u79fb\u3002<\/li>\n<\/ul>\n<p>\u6709\u4e86\u865a\u62df\u5b54\u5f84\u539f\u7406&#xff0c;\u6211\u4eec\u4e0d\u7981\u4f1a\u95ee&#xff1a;\u65e2\u7136\u53ef\u4ee5\u7528 7 \u6839\u5929\u7ebf\u865a\u62df\u51fa 12 \u6839&#xff0c;\u90a3\u80fd\u4e0d\u80fd\u7528\u66f4\u5c11\u7684\u5929\u7ebf&#xff0c;\u865a\u62df\u51fa\u66f4\u591a&#xff1f;<\/p>\n<p>\u8fd9\u5c31\u662f\u7a00\u758f\u9635\u5217 (Sparse Array)\u00a0\u7684\u827a\u672f\u3002\u6211\u4eec\u5728 PCB \u677f\u4e0a\u201c\u6316\u5751\u201d&#xff0c;\u6545\u610f\u8ba9\u5929\u7ebf\u4e0d\u8fde\u7eed&#xff0c;\u901a\u8fc7\u7cbe\u5999\u7684\u6570\u5b66\u6392\u5217&#xff0c;\u7528\u6700\u5c11\u7684\u786c\u4ef6\u6210\u672c&#xff0c;\u903c\u8fd1\u7269\u7406\u6781\u9650\u3002<\/p>\n<hr \/>\n<h2>5.3 \u7a00\u758f\u9635\u5217\u4f18\u5316&#xff1a;\u5bfb\u627e\u5929\u7ebf\u6392\u5217\u7684\u6700\u4f18\u89e3<\/h2>\n<p>\u5728\u865a\u62df\u9635\u5217\u4e2d&#xff0c;\u6211\u4eec\u6700\u5173\u5fc3\u7684\u662f\u5b54\u5f84 (Aperture)\u00a0\u548c\u00a0\u8fde\u7eed\u6027 (Continuity)\u3002<\/p>\n<ul>\n<li>\u5b54\u5f84\u51b3\u5b9a\u4e86\u5206\u8fa8\u7387&#xff08;\u6ce2\u675f\u6709\u591a\u7a84&#xff09;\u3002<\/li>\n<li>\u8fde\u7eed\u6027\u51b3\u5b9a\u4e86\u6709\u6ca1\u6709\u6805\u74e3&#xff08;\u4f1a\u4e0d\u4f1a\u770b\u82b1\u773c&#xff09;\u3002<\/li>\n<\/ul>\n<h4>1. \u6700\u5c0f\u5197\u4f59\u9635\u5217 (MRA &#8211; Minimum Redundancy Array)<\/h4>\n<p>\u8fd9\u662f\u4e00\u4e2a\u7ecf\u5178\u7684\u6570\u5b66\u95ee\u9898&#xff1a;\u4e00\u628a\u5c3a\u5b50&#xff0c;\u523b\u5ea6\u6700\u5c11\u80fd\u6709\u591a\u5c11\u4e2a&#xff0c;\u624d\u80fd\u91cf\u51fa\u6240\u6709\u6574\u6570\u957f\u5ea6&#xff1f;<\/p>\n<ul>\n<li>\u5b9a\u4e49&#xff1a;\u5728\u7ed9\u5b9a\u7684\u7269\u7406\u5b54\u5f84\u4e0b&#xff0c;\u5305\u542b\u5929\u7ebf\u5355\u5143\u6570\u6700\u5c11&#xff0c;\u4e14\u5176\u5dee\u96c6 (Difference Set)\u00a0\u5305\u542b\u4e86\u4ece\u00a000\u00a0\u5230\u00a0LL\u00a0\u7684\u6240\u6709\u6574\u6570\u500d\u95f4\u8ddd\u3002<\/li>\n<li>\u7269\u7406\u610f\u4e49&#xff1a;\n<ul>\n<li>\u5dee\u96c6\u5bf9\u5e94\u7684\u662f\u865a\u62df\u9635\u5217\u7684\u4f4d\u7f6e\u3002<\/li>\n<li>\u5982\u679c\u5dee\u96c6\u662f\u8fde\u7eed\u7684&#xff08;\u6ca1\u6709\u7f3a\u5931\u7684\u6574\u6570&#xff09;&#xff0c;\u8bf4\u660e\u865a\u62df\u9635\u5217\u662f\u6ee1\u7684&#xff0c;\u6ca1\u6709\u6805\u74e3\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4f8b\u5b50 (4\u5143 MRA)&#xff1a;\n<ul>\n<li>\u4f4d\u7f6e&#xff1a;0,1,4,60,1,4,6\u3002<\/li>\n<li>\u5dee\u96c6&#xff1a;1\u22120&#061;1,4\u22121&#061;3,6\u22124&#061;2,4\u22120&#061;4,6\u22121&#061;5,6\u22120&#061;61\u22120&#061;1,4\u22121&#061;3,6\u22124&#061;2,4\u22120&#061;4,6\u22121&#061;5,6\u22120&#061;6\u3002<\/li>\n<li>\u52a0\u4e0a\u00a000&#xff0c;\u6211\u4eec\u5f97\u5230\u4e86\u00a00,1,2,3,4,5,60,1,2,3,4,5,6\u3002<\/li>\n<li>\u6548\u679c&#xff1a;\u7528 4 \u6839\u5929\u7ebf&#xff0c;\u5b9e\u73b0\u4e86 7 \u5143\u5747\u5300\u7ebf\u9635\u7684\u6027\u80fd\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>2. \u4e92\u8d28\u9635\u5217 (Coprime Array)<\/h4>\n<p>MRA \u5f88\u96be\u8bbe\u8ba1&#xff08;\u6ca1\u6709\u901a\u7528\u7684\u89e3\u6790\u516c\u5f0f&#xff0c;\u53ea\u80fd\u9760\u8ba1\u7b97\u673a\u7a77\u4e3e&#xff09;\u3002\u4e92\u8d28\u9635\u5217\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u7b80\u5355\u7684\u6784\u9020\u65b9\u6cd5\u3002<\/p>\n<ul>\n<li>\u539f\u7406&#xff1a;\n<ul>\n<li>\u5229\u7528\u4e24\u4e2a\u5b50\u9635&#xff0c;\u95f4\u8ddd\u5206\u522b\u4e3a\u00a0M\u03bb\/2M\u03bb\/2\u00a0\u548c\u00a0N\u03bb\/2N\u03bb\/2&#xff08;M,NM,N\u00a0\u4e92\u8d28&#xff09;\u3002<\/li>\n<li>\u5229\u7528\u4e2d\u56fd\u4f59\u6570\u5b9a\u7406\u7684\u7279\u6027&#xff0c;\u5b83\u4eec\u7684\u6805\u74e3\u4f4d\u7f6e\u662f\u4e0d\u91cd\u5408\u7684\u3002<\/li>\n<li>\u76f8\u4e58&#xff08;\u6216\u505a\u5dee\u5904\u7406&#xff09;\u540e&#xff0c;\u552f\u4e00\u7684\u91cd\u5408\u70b9\u5c31\u662f\u4e3b\u74e3\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4f18\u52bf&#xff1a;\u53ef\u4ee5\u7528\u6781\u5c11\u7684\u5929\u7ebf&#xff0c;\u83b7\u5f97\u6781\u5176\u5de8\u5927\u7684\u5b54\u5f84&#xff08;\u8d85\u9ad8\u5206\u8fa8\u7387&#xff09;\u3002<\/li>\n<li>\u4ee3\u4ef7&#xff1a;\u65c1\u74e3\u8f83\u9ad8&#xff0c;\u4fe1\u566a\u6bd4\u635f\u5931\u3002<\/li>\n<\/ul>\n<h4>3. \u8f66\u8f7d\u96f7\u8fbe\u4e2d\u7684\u4f18\u5316<\/h4>\n<p>\u5728 4D \u6210\u50cf\u96f7\u8fbe\u4e2d&#xff0c;\u5929\u7ebf\u6392\u5e03\u66f4\u662f\u5bf8\u571f\u5bf8\u91d1\u3002<\/p>\n<ul>\n<li>L \u578b\u9635\u5217&#xff1a;\u6c34\u5e73\u653e\u4e00\u6761&#xff0c;\u5782\u76f4\u653e\u4e00\u6761\u3002\u901a\u8fc7 MIMO \u4e58\u79ef&#xff0c;\u83b7\u5f97\u77e9\u5f62\u5e73\u9762\u9635\u5217\u7684\u6548\u679c\u3002<\/li>\n<li>T \u578b \/ \u5341\u5b57\u578b&#xff1a;\u540c\u7406\u3002<\/li>\n<li>\u968f\u673a\u7a00\u758f (Random Sparse)&#xff1a;\n<ul>\n<li>\u5982\u679c\u5929\u7ebf\u4f4d\u7f6e\u662f\u968f\u673a\u6253\u4e71\u7684\u3002<\/li>\n<li>\u6805\u74e3\u4f1a\u88ab\u6253\u6563&#xff0c;\u53d8\u6210\u5747\u5300\u5206\u5e03\u7684\u5e95\u566a&#xff08;\u5e73\u5747\u65c1\u74e3\u7535\u5e73&#xff09;\u3002<\/li>\n<li>\u8fd9\u7c7b\u4f3c\u4e8e\u538b\u7f29\u611f\u77e5 (Compressed Sensing) \u7684\u601d\u60f3\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u603b\u7ed3&#xff1a;<br \/>\n\u7a00\u758f\u9635\u5217\u8bbe\u8ba1\u662f\u96f7\u8fbe\u786c\u4ef6\u5de5\u7a0b\u5e08\u7684\u6570\u72ec\u6e38\u620f\u3002<br \/>\n\u5728\u6709\u9650\u7684 PCB 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