{"id":4295,"date":"2023-02-16T13:16:15","date_gmt":"2023-02-16T05:16:15","guid":{"rendered":"http:\/\/192.168.10.115\/index.php\/2023\/02\/16\/4295\/"},"modified":"2023-02-16T14:24:02","modified_gmt":"2023-02-16T06:24:02","slug":"%e6%97%a0%e4%ba%ba%e7%b3%bb%e7%bb%9f%e7%9a%84%e7%8e%af%e5%a2%83%e6%84%9f%e7%9f%a5%e6%8a%80%e6%9c%af-%e6%af%ab%e7%b1%b3%e6%b3%a2%e9%9b%b7%e8%be%be%e6%8a%80%e6%9c%af%ef%bc%88%e4%b8%80","status":"publish","type":"post","link":"http:\/\/222.128.65.89:18086\/index.php\/2023\/02\/16\/4295\/","title":{"rendered":"2023-02-15 \u65e0\u4eba\u7cfb\u7edf\u7684\u73af\u5883\u611f\u77e5\u6280\u672f | \u6beb\u7c73\u6ce2\u96f7\u8fbe\u6280\u672f\uff08\u4e00\uff09"},"content":{"rendered":"<p>\u200d\u200d\u672c\u6587\u9996\u53d1\u4e8e\u516c\u4f17\u53f7\u3010\u8c03\u76ae\u8fde\u7eed\u6ce2\u3011\uff0c\u5176\u4ed6\u5e73\u53f0\u4e3a\u81ea\u52a8\u540c\u6b65\uff0c\u5185\u5bb9\u82e5\u4e0d\u5168\u6216\u4e71\u7801\uff0c\u8bf7\u524d\u5f80\u516c\u4f17\u53f7\u9605\u8bfb\u3002\u5173\u6ce8\u8c03\u76ae\u54e5\uff0c\u548c\u5927\u5bb6\u4e00\u8d77\u5b66\u4e60\u96f7\u8fbe\u6280\u672f\uff01<img decoding=\"async\" class=\"origin_image zh-lightbox-thumb\" src=\"\/wp-content\/uploads\/2023\/02\/v2-485c8d429c2d035e1fe07d366af74ea0_b.gif\" width=\"1079\" data-rawwidth=\"1079\" data-caption=\"\" data-size=\"normal\" data-rawheight=\"356\" data-thumbnail=\"https:\/\/pic1.zhimg.com\/v2-485c8d429c2d035e1fe07d366af74ea0_b.jpg\" data-original=\"https:\/\/pic1.zhimg.com\/v2-485c8d429c2d035e1fe07d366af74ea0_r.jpg\" \/>\u3010\u6b63\u6587\u3011<\/p>\n<p>1\u3001\u6beb\u7c73\u6ce2\u96f7\u8fbe\u4ecb\u7ecd<\/p>\n<p>\u96f7\u8fbe(RADAR)\u662f\u201c\u65e0\u7ebf\u7535\u63a2\u6d4b\u548c\u6d4b\u8ddd(Radio Detection and Ranging)\u201d\u7684\u7f29\u5199\uff0c\u8fd9\u610f\u5473\u7740\u53ef\u4ee5\u901a\u8fc7\u7535\u78c1\u6ce2\u68c0\u6d4b\u548c\u4f30\u8ba1\u8ddd\u79bb\uff0c\u8fd9\u5c31\u662f\u96f7\u8fbe\u7684\u4fe1\u53f7\u68c0\u68c0\u6d4b\u4e0e\u53c2\u6570\u4f30\u8ba1\u3002\u6beb\u7c73\u6ce2\u6ce2\u662f\u4f4d\u4e8e\u7ea2\u5916\u5149\u6ce2\u548c\u5fae\u6ce2\u9891\u6bb5\u4e4b\u95f4\u7684\u7535\u78c1\u6ce2\uff0c\u5bf9\u4e0d\u540c\u7c7b\u522b\u7684\u6beb\u7c73\u6ce2\u96f7\u8fbe\u5e94\u7528\u4e86\u4e0d\u540c\u7684\u5206\u7c7b\u65b9\u6cd5\u3002<\/p>\n<p>\u6beb\u7c73\u6ce2\u96f7\u8fbe\u6839\u636e\u96f7\u8fbe\u5de5\u4f5c\u7cfb\u7edf\u7684\u6027\u8d28\u53ef\u5206\u4e3a\u8109\u51b2\u96f7\u8fbe\u548c\u8fde\u7eed\u6ce2\u96f7\u8fbe\u3002<\/p>\n<p>\u8fde\u7eed\u6ce2\u96f7\u8fbe\u7684\u5de5\u4f5c\u6a21\u5f0f\u53c8\u5206\u4e3a\u6052\u9891\u8fde\u7eed\u6ce2\uff08CW\uff09\u3001\u9891\u79fb\u952e\u63a7\uff08FSK\uff09\u3001\u76f8\u79fb\u952e\u63a7\uff08PSK\uff09\u3001\u8c03\u9891\u8fde\u7eed\u6ce2\uff08FMCW\uff09\u3001\u5feb\u901f\u8c03\u9891\u8fde\u7eed\u6ce2\uff08FCM-FMCW\uff09\u7b49\u65b9\u6cd5\u3002<\/p>\n<p>\u6839\u636e\u5e73\u53f0\u5206\u7c7b\uff0c\u53ef\u5206\u4e3a\u8f66\u8f7d\u6beb\u7c73\u6ce2\u96f7\u8fbe\u3001\u8230\u8f7d\u6beb\u7c73\u6ce2\u96f7\u8fbe\u3001\u673a\u8f7d\u6beb\u7c73\u6ce2\u96f7\u8fbe\u3001\u661f\u8f7d\u6beb\u7c73\u6ce2\u96f7\u8fbe\u7b49\u3002<\/p>\n<p>\u6839\u636e\u96f7\u8fbe\u6d4b\u8ddd\u7684\u4e0d\u540c\u8981\u6c42\uff0c\u6beb\u7c73\u6ce2\u96f7\u8fbe\u53ef\u5206\u4e3a\u8fdc\u7a0b\u96f7\u8fbe\uff08LRR\uff09\u3001\u4e2d\u7a0b\u96f7\u8fbe\uff08MRR\uff09\u548c\u77ed\u7a0b\u96f7\u8fbe\uff08SRR\uff09\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u6839\u636e\u5e94\u7528\u9886\u57df\uff0c\u6beb\u7c73\u6ce2\u96f7\u8fbe\u53ef\u5206\u4e3a\u5236\u5bfc\u96f7\u8fbe\u3001\u706b\u63a7\u96f7\u8fbe\u3001\u76ee\u6807\u63a2\u6d4b\u96f7\u8fbe\u3001\u6beb\u7c73\u6ce2\u5730\u7403\u89c2\u6d4b\u96f7\u8fbe\u3001\u6beb\u7c73\u6ce2\u63a5\u8fd1\u63a2\u6d4b\u96f7\u8fbe\u7b49\u3002<\/p>\n<p>\u8fd1\u5e74\u6765\uff0c\u968f\u7740\u6beb\u7c73\u6ce2\u8bbe\u5907\u7684\u8fdb\u6b65\uff0c\u7535\u8def\u8bbe\u8ba1\u6280\u672f\u548c\u5929\u7ebf\u6280\u672f\u7b49\u6280\u672f\u4e5f\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u800c\u5927\u5927\u6210\u719f\u3002\u6beb\u7c73\u6ce2\u96f7\u8fbe\u6280\u672f\u5728\u65e0\u4eba\u7cfb\u7edf\u73af\u5883\u4f20\u611f\u3001\u96f7\u8fbe\u63a2\u6d4b\u3001\u5bfc\u5f39\u5236\u5bfc\u3001\u536b\u661f\u9065\u611f\u3001\u7535\u5b50\u5bf9\u6297\u7b49\u76f8\u5173\u9886\u57df\u4e5f\u968f\u7740\u5e94\u7528\u7684\u589e\u52a0\u800c\u53d6\u5f97\u8fdb\u5c55\u3002\u6beb\u7c73\u6ce2\u96f7\u8fbe\u5177\u6709\u9891\u7387\u9ad8\u3001\u6ce2\u957f\u77ed\u3001\u9891\u6bb5\u5bbd\u3001\u4f53\u79ef\u5c0f\u3001\u91cd\u91cf\u8f7b\u3001\u9690\u853d\u6027\u548c\u673a\u52a8\u6027\u597d\u7b49\u7279\u70b9\uff0c\u5728\u519b\u4e8b\u548c\u56fd\u9632\u5efa\u8bbe\u4e2d\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\uff0c\u5728\u56fd\u6c11\u7ecf\u6d4e\u5efa\u8bbe\u4e2d\u4e5f\u5f97\u5230\u4e86\u5e7f\u6cdb\u91c7\u7528\u3002<\/p>\n<p>\u6beb\u7c73\u6ce2\u96f7\u8fbe\u5177\u6709\u7a7f\u900f\u96fe\u973e\u3001\u96fe\u6c14\u3001\u70df\u96fe\u3001\u5c0f\u96e8\u3001\u5c0f\u96ea\u7684\u80fd\u529b\uff0c\u6027\u80fd\u6bd4\u5398\u7c73\u6ce2\u96f7\u8fbe\u597d\uff0c\u4e14\u5177\u6709\u6297\u566a\u58f0\u5e72\u6270\u80fd\u529b\u548c\u591a\u5f84\u6548\u5e94\uff0c\u53ef\u4ee5\u5145\u5206\u5229\u7528\u5176\u5b9e\u73b0\u7cbe\u5bc6\u68c0\u6d4b\u548c\u7cbe\u5bc6\u8ddf\u8e2a\uff0c\u76ee\u524d\u5df2\u88ab\u4e3b\u8981\u53d1\u8fbe\u56fd\u5bb6\u5f00\u53d1\u4e3a\u519b\u4e8b\u9879\u76ee\u3002<\/p>\n<p>\u5728\u6c11\u7528\u65b9\u9762\uff0c\u6beb\u7c73\u6ce2\u662fX\u5c04\u7ebf(\u8f90\u5c04\u5371\u5bb3)\u7684\u66f4\u597d\u66ff\u4ee3\u54c1\uff0c\u53ef\u4ee5\u5bf9\u9690\u85cf\u5728\u8863\u670d\u4e0b\u9762\u7684\u7269\u4f53\u5b9e\u73b0\u66f4\u597d\u7684\u56fe\u50cf\u68c0\u6d4b\u6548\u679c\uff0c\u4ece\u800c\u52a0\u5f3a\u5b89\u5168\u6027\uff0c\u81f3\u4e8e\u6beb\u7c73\u6ce2\u5bf9\u4eba\u4f53\u6709\u65e0\u5371\u5bb3\uff0c\u56fd\u5185\u5916\u8fd8\u6ca1\u6709\u76f8\u5173\u7684\u53ef\u9760\u7684\u5b9e\u9a8c\u6570\u636e\u3002\u5bf9\u4e8e\u6c14\u8c61\u63a2\u6d4b\uff0c\u5177\u6709\u9ad8\u65f6\u7a7a\u5206\u8fa8\u7387\u7684\u6beb\u7c73\u6ce2\u96f7\u8fbe\u53ef\u4ee5\u66f4\u51c6\u786e\u5730\u53cd\u6620\u4e91\u7684\u5782\u76f4\u548c\u6c34\u5e73\u7ed3\u6784\uff0c\u6bd4\u666e\u901a\u6c14\u8c61\u96f7\u8fbe\u66f4\u9002\u5408\u76d1\u6d4b\u4e91\u7684\u53d8\u5316\uff0c\u4f7f\u5176\u6210\u4e3a\u4e09\u7ef4\u7cbe\u7ec6\u7ed3\u6784\u4e91\u63a2\u6d4b\u7684\u91cd\u8981\u5de5\u5177\u3002<\/p>\n<p>\u540c\u65f6\uff0c\u6beb\u7c73\u6ce2\u96f7\u8fbe\u662f\u667a\u80fd\u9a7e\u9a76\u7cfb\u7edf\u4e2d\u7528\u4e8e\u73af\u5883\u4f20\u611f\u4e0d\u53ef\u6216\u7f3a\u7684\u4f20\u611f\u5668\uff0c\u5177\u6709\u9632\u649e\u3001\u81ea\u52a8\u6cca\u8f66\u3001\u884c\u4eba\u68c0\u6d4b\u7b49\u8bf8\u591a\u529f\u80fd\uff0c\u8fd9\u5bf9\u4e8e\u51cf\u5c11\u4ea4\u901a\u4e8b\u6545\u3001\u4fdd\u62a4\u884c\u4eba\u548c\u4e58\u5ba2\u7684\u751f\u547d\u8d22\u4ea7\u5b89\u5168\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n<p>2\u3001\u6beb\u7c73\u6ce2\u96f7\u8fbe\u6982\u5ff5\u548c\u7279\u6027<\/p>\n<p>\u6beb\u7c73\u6ce2\u96f7\u8fbe\u662f\u4e00\u79cd\u4f7f\u7528\u6beb\u7c73\u6ce2\u9891\u6bb5\u7684\u7535\u78c1\u6ce2\u63a2\u6d4b\u96f7\u8fbe\uff0c\u6beb\u7c73\u6ce2\u7684\u9891\u7387\u8303\u56f4\u5728 30-300 GHz \u4e4b\u95f4\uff0c\u6ce2\u957f\u5728 1-10 mm\u4e4b\u95f4\u3002<\/p>\n<p>IEEE\u53d1\u5e03\u4e8630-300 GHz\u9891\u6bb5\u4f5c\u4e3a\u6beb\u7c73\u6ce2\u7684\u6807\u51c6\u9891\u7387\u8303\u56f4\uff0c\u5e76\u5c0627-40 GHz\u9891\u6bb5\u547d\u540d\u4e3aKa\u9891\u6bb5\uff0c40-60 GHz\u9891\u6bb5\u547d\u540d\u4e3aU\u9891\u6bb5\uff0c75-110 GHz\u9891\u6bb5\u4e3aW\u9891\u6bb5\uff0c110-170 GHz\u4e3aD\u9891\u6bb5\u3002Ka\u6ce2\u6bb5\u5177\u6709\u5e26\u5bbd\u5bbd\u3001\u5e72\u6270\u5c0f\u3001\u5668\u4ef6\u4f53\u79ef\u5c0f\u7b49\u7279\u70b9\uff0c\u6545Ka\u6ce2\u6bb5\u536b\u661f\u901a\u4fe1\u7cfb\u7edf\u53ef\u4ee5\u4e3a\u9ad8\u901f\u536b\u661f\u901a\u4fe1\u3001\u5343\u5146\u7ea7\u5bbd\u5e26\u6570\u5b57\u4f20\u8f93\u3001\u9ad8\u6e05\u7535\u89c6\uff08HDTV\uff09\u3001\u536b\u661f\u65b0\u95fb\u91c7\u96c6\uff08SNG\uff09\u3001VSAT\u670d\u52a1\u3001\u76f4\u63a5\u5230\u6237\uff08DTH\uff09\u670d\u52a1\u548c\u4e2a\u4eba\u536b\u661f\u901a\u4fe1\u63d0\u4f9b\u4e00\u79cd\u65b0\u9896\u7684\u65b9\u6cd5\u3002<\/p>\n<p>Ka\u6ce2\u6bb5\u7684\u7f3a\u70b9\u662f\u96e8\u91cf\u8870\u51cf\u5927\uff0c\u5bf9\u88c5\u7f6e\u548c\u5de5\u827a\u8981\u6c42\u5e7f\u6cdb\u3002\u5728Ka\u6ce2\u6bb5\u4fe1\u53f7\u4e2d\uff0cKa\u7528\u6237\u7ec8\u7aef\u7684\u5929\u7ebf\u5c3a\u5bf8\u4e3b\u8981\u4e0d\u53d7\u5929\u7ebf\u589e\u76ca\u7684\u9650\u5236\uff0c\u800c\u662f\u53d7\u5230\u6291\u5236\u5176\u4ed6\u7cfb\u7edf\u5e72\u6270\u7684\u80fd\u529b\u7684\u9650\u5236\uff08\u56fe2.1\u548c2.2\uff09\u3002<\/p>\n<p><img decoding=\"async\" class=\"origin_image zh-lightbox-thumb\" src=\"\/wp-content\/uploads\/2023\/02\/v2-c391762f42ead8e69863d3d8e3810d76_b.jpg\" width=\"685\" data-rawwidth=\"685\" data-caption=\"\" data-size=\"normal\" data-rawheight=\"451\" data-original=\"https:\/\/pic3.zhimg.com\/v2-c391762f42ead8e69863d3d8e3810d76_r.jpg\" \/><\/p>\n<p>\u56fe2.1\u7535\u78c1\u6ce2\u6ce2\u6bb5<\/p>\n<p><img decoding=\"async\" class=\"origin_image zh-lightbox-thumb\" src=\"\/wp-content\/uploads\/2023\/02\/v2-80bdfaf71a3719b6899764c56ce60166_b.jpg\" width=\"640\" data-rawwidth=\"640\" data-caption=\"\" data-size=\"normal\" data-rawheight=\"449\" data-original=\"https:\/\/pic3.zhimg.com\/v2-80bdfaf71a3719b6899764c56ce60166_r.jpg\" \/><\/p>\n<p>\u56fe2.2\u6beb\u7c73\u6ce2\u4e0d\u540c\u9891\u6bb5\u5927\u6c14\u8870\u51cf\u8d8b\u52bf<\/p>\n<p>\u7535\u78c1\u6ce2\u5927\u6c14\u8870\u51cf\u7684\u672c\u8d28\uff1a\u5927\u6c14\u4e2d\u7684\u6c27\u6c14\u548c\u6c34\u84b8\u6c14\u662f\u4ea7\u751f\u96f7\u8fbe\u7535\u78c1\u6ce2\u8870\u51cf\u7684\u4e3b\u8981\u539f\u56e0\uff0c\u4e00\u90e8\u5206\u7167\u5c04\u5230\u8fd9\u4e9b\u6c14\u4f53\u5fae\u7c92\u4e0a\u7684\u7535\u78c1\u6ce2\u80fd\u91cf\u88ab\u4ed6\u4eec\u5438\u6536\u540e\uff0c\u53d8\u6210\u70ed\u80fd\u800c\u635f\u8017\u3002\u5f53\u5de5\u4f5c\u6ce2\u957f\u77ed\u4e8e10cm\uff08\u5de5\u4f5c\u9891\u7387\u9ad8\u4e8e3GHz\uff09\u65f6\u5fc5\u987b\u8003\u8651\u5927\u6c14\u8870\u51cf\u3002\u5982\u56fe2.2\u6240\u793a\uff0c\u6c34\u84b8\u6c14\u7684\u8870\u51cf\u8c10\u632f\u5cf0\u572822.4GHz \u548c\u5927\u7ea6184GHz\uff1b\u800c\u6c27\u7684\u8870\u51cf\u8c10\u632f\u5cf0\u572860GHz\u548c118GHz\uff0c\u5f53\u5de5\u4f5c\u9891\u7387\u4f4e\u4e8e1GHz\u540e\uff0c\u5927\u6c14\u8870\u51cf\u53ef\u4ee5\u5ffd\u7565\uff0c\u800c\u5f53\u5de5\u4f5c\u9891\u7387\u9ad8\u4e8e10GHz\u65f6\uff0c\u9891\u7387\u8d8a\u9ad8\uff0c\u5927\u6c14\u8870\u51cf\u8d8a\u4e25\u91cd\u3002<\/p>\n<p>\u4e0e\u5fae\u6ce2\u76f8\u6bd4\uff0c\u6beb\u7c73\u6ce2\u6ce2\u957f\u77ed\uff0c\u9891\u7387\u9ad8\uff0c\u5e26\u5bbd\u5bbd\uff0c\u591a\u666e\u52d2\u9891\u79fb\u5927\u3002\u77ed\u6ce2\u957f\u5bfc\u81f4\u5c0f\u7535\u5b50\u5143\u4ef6\u5c01\u88c5\u5c3a\u5bf8\u548c\u7cfb\u7edf\u9700\u8981\u7d27\u51d1\uff0c\u56e0\u6b64\u91cd\u91cf\u8f7b\uff0c\u4f46\u5236\u9020\u7cbe\u5ea6\u8981\u6c42\u4e25\u683c\uff0c\u56e0\u6b64\u6210\u672c\u9ad8\u3002<\/p>\n<p>\u5bf9\u4e8e\u76f8\u540c\u76f4\u5f84\u7684\u5929\u7ebf\uff0c\u6beb\u7c73\u6ce2\u66f4\u5bb9\u6613\u5b9e\u73b0\u9ad8\u589e\u76ca\u7684\u7a84\u6ce2\u675f\uff0c\u8fd9\u589e\u5f3a\u4e86\u591a\u96f7\u8fbe\u7cfb\u7edf\u7684\u76ee\u6807\u8bc6\u522b\u80fd\u529b\uff0c\u5e76\u4ea7\u751f\u4e86\u8f83\u5c0f\u7684\u5730\u9762\u6742\u6ce2\u5e72\u6270\u548c\u591a\u5f84\u6548\u5e94\u3002\u6b64\u5916\uff0c\u4f20\u64ad\u7ebf\u6027\u5ea6\u597d\uff0c\u884d\u5c04\u5c0f\uff0c\u53ef\u4ee5\u51cf\u5c11\u5bf9\u5176\u4ed6\u901a\u4fe1\u8bbe\u5907\u7684\u5e72\u6270\uff0c\u53ef\u7528\u5e26\u5bbd\u5bbd\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4fe1\u606f\u4f20\u8f93\u901f\u7387\u3002<\/p>\n<p>\u5728\u96f7\u8fbe\u7cfb\u7edf\u4e2d\uff0c\u7a84\u8109\u51b2\u6216\u5bbd\u5e26FM\u4fe1\u53f7\u53ef\u7528\u4e8e\u7814\u7a76\u76ee\u6807\u7684\u7cbe\u7ec6\u7279\u6027\u3002\u7531\u4e8e\u901a\u4fe1\u7cfb\u7edf\u4e2d\u4f20\u8f93\u5bb9\u91cf\u8f83\u5927\uff0c\u63d0\u9ad8\u4e86\u7cbe\u786e\u8ddf\u8e2a\u96f7\u8fbe\u548c\u76ee\u6807\u8bc6\u522b\u96f7\u8fbe\u7684\u8ddd\u79bb\u5206\u8fa8\u7387\uff0c\u5bbd\u5e26\u6269\u9891\u529f\u80fd\u53ef\u7528\u4e8e\u6291\u5236\u591a\u5f84\u6548\u5e94\u548c\u5730\u9762\u6742\u6ce2\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u4e30\u5bcc\u7684\u9891\u8c31\u8d44\u6e90\u548c\u8f83\u5927\u7684\u591a\u666e\u52d2\u9891\u79fb\u53ef\u4ee5\u63d0\u9ad8\u5bf9\u4f4e\u901f\u8fd0\u52a8\u7269\u4f53\u7684\u68c0\u6d4b\u548c\u8bc6\u522b\u80fd\u529b\u3002\u4e0e\u7ea2\u5916\u548c\u53ef\u89c1\u5149\u76f8\u6bd4\uff0c\u6beb\u7c73\u6ce2\u53d7\u6076\u52a3\u5929\u6c14\u6761\u4ef6\u548c\u7070\u5c18\u3001\u70df\u96fe\u7b49\u73b0\u573a\u6761\u4ef6\u7684\u5f71\u54cd\u8f83\u5c0f\uff0c\u53ef\u4ee5\u5168\u5929\u5019\u5de5\u4f5c\u3002<\/p>\n<p>\u76ee\u524d\u5e94\u7528\u7814\u7a76\u96c6\u4e2d\u572835\u300145\u300194\u3001140\u3001220GHz\u7b49\u591a\u4e2a\u7a97\u53e3\u9891\u7387\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e2d\u7a0b\u591a\u901a\u9053\u901a\u4fe1\u548c\u7535\u89c6\u56fe\u50cf\u4f20\u8f93\uff0c\u7531\u4e8e\u5176\u4f20\u8f93\u901f\u7387\u9ad8\uff0c\u6709\u5229\u4e8e\u6269\u9891\u901a\u4fe1\u3001\u8df3\u9891\u901a\u4fe1\u7b49\u4f4e\u622a\u70b9\u6982\u7387\u901a\u4fe1\uff0c\u540c\u65f6\u5177\u6709\u4e09\u4e2a\u5438\u6536\u5cf0\uff0860\u3001120\u3001200 GHz\uff09\uff0c\u53ef\u7528\u4e8e\u5b9e\u73b0\u8fd1\u8ddd\u79bb\u96f7\u8fbe\u3001\u5b89\u5168\u901a\u4fe1\u548c\u536b\u661f\u901a\u4fe1\u3002<\/p>\n<p>3\u3001\u6beb\u7c73\u6ce2\u7684\u96f7\u8fbe\u65b9\u7a0b<\/p>\n<p>\u5f53\u96f7\u8fbe\u53d1\u5c04\u7684\u7535\u78c1\u6ce2\u63a5\u89e6\u76ee\u6807\u65f6\u4f1a\u88ab\u53cd\u5c04\uff0c\u4f20\u8f93\u7684\u529f\u7387\u4e0e\u76ee\u6807\u7684\u5927\u5c0f\u3001\u65b9\u5411\u3001\u7269\u7406\u5f62\u72b6\u548c\u6750\u6599\u6709\u5173\uff0c\u8fd9\u4e9b\u56e0\u7d20\u7ec4\u5408\u8d77\u6765\u8868\u793a\u4e3a\u96f7\u8fbe\u622a\u9762\u79ef\uff08RCS\uff09\uff0c\u7528\u8868\u793a\u4e3a\u76ee\u6807\u53d1\u5c04\u529f\u7387\u4e0e\u76ee\u6807\u63a5\u6536\u529f\u7387\u4e4b\u6bd4\uff1a<\/p>\n<p>\u76ee\u6807\u7684\u53cd\u5c04\u529f\u7387Pr\u4e5f\u8f90\u5c04\u5230\u5468\u56f4\u73af\u5883\uff0c\u5982\u679c\u5929\u7ebf\u7684\u6709\u6548\u63a5\u6536\u5b54\u5f84\u4e3aAe\uff0c\u5219\u5929\u7ebf\u63a5\u6536\u7684\u53cd\u5c04\u529f\u7387\u7684\u5927\u5c0f\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a<\/p>\n<p>\u7531\u4e8e\u5929\u7ebf\u7684\u6709\u6548\u63a5\u6536\u5b54\u5f84Ae\u4e0e\u5929\u7ebf\u589e\u76ca\u6709\u4ee5\u4e0b\u5173\u7cfb\uff1a<\/p>\n<p>\u63a5\u6536\u76ee\u6807\u53cd\u5c04\u529f\u7387\u7684\u5929\u7ebf\u53ef\u4ee5\u91cd\u5199\u4e3a\uff1a<\/p>\n<p>\u4e0a\u9762\u7684\u516c\u5f0f\u4f53\u73b0\u4e86\u76ee\u6807\u8ddd\u79bbR\u548c\u96f7\u8fbe\u4ece\u76ee\u6807\u63a5\u6536\u7684\u529f\u7387PDr\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u5047\u8bbe\u96f7\u8fbe\u5177\u6709\u6700\u5c0f\u53ef\u63a2\u6d4b\u4fe1\u53f7\u529f\u7387Smin\uff0c\u5219\u53ef\u8fbe\u5230\u7684\u96f7\u8fbe\u6700\u8fdc\u63a2\u6d4b\u8ddd\u79bb\u8868\u793a\u4e3a\uff1a<\/p>\n<p>\u53ef\u4ee5\u770b\u51fa\uff0c\u5bf9\u4e8e\u6700\u8fdc\u63a2\u6d4b\u8ddd\u79bb\u8981\u52a0\u500d\uff0c\u5728\u5176\u4f59\u53c2\u6570\u4e0d\u53d8\u7684\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u96f7\u8fbe\u7684\u53d1\u5c04\u529f\u7387\u9700\u8981\u63d0\u9ad816\u500d\uff0c\u8868\u660e\u96f7\u8fbe\u7684\u63a2\u6d4b\u8303\u56f4\u4e0e\u96f7\u8fbe\u7684\u53d1\u5c04\u529f\u7387\u5bc6\u5207\u76f8\u5173\u3002<\/p>\n<p>4\u3001\u6beb\u7c73\u6ce2\u96f7\u8fbe\u5206\u6790<\/p>\n<p>\u901a\u5e38\uff0c\u96f7\u8fbe\u7cfb\u7edf\u4f1a\u4e3b\u52a8\u53d1\u5c04\u7535\u78c1\u6ce2\u4fe1\u53f7\uff0c\u7535\u78c1\u6ce2\u4fe1\u53f7\u5728\u9047\u5230\u7269\u4f53\u540e\u5f62\u6210\u53cd\u5c04\u56de\u6ce2\uff0c\u5229\u7528\u53cd\u5c04\u56de\u6ce2\u7684\u4fe1\u606f\uff0c\u96f7\u8fbe\u53ef\u4ee5\u68c0\u6d4b\u76ee\u6807\u5e76\u6d4b\u91cf\u5176\u5750\u6807\u3002\u6839\u636e\u96f7\u8fbe\u5de5\u4f5c\u7cfb\u7edf\u7684\u4e0d\u540c\uff0c\u53ef\u5206\u4e3a\u8109\u51b2\u96f7\u8fbe\u7cfb\u7edf\u548c\u8fde\u7eed\u6ce2\u7cfb\u7edf\u96f7\u8fbe\u3002\u8109\u51b2\u7cfb\u7edf\u96f7\u8fbe\u95f4\u6b47\u6027\u53d1\u5c04\u7535\u78c1\u6ce2\uff0c\u4f7f\u7528\u53d1\u5c04\u6ce2\u5f62\u7684\u95f4\u6b47\u6ce2\u96f7\u8fbe\u5c06\u63a5\u6536\u76ee\u6807\u56de\u6ce2\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u8fde\u7eed\u6ce2\u7cfb\u7edf\u96f7\u8fbe\u8fde\u7eed\u53d1\u5c04\u7535\u78c1\u6ce2\uff0c\u96f7\u8fbe\u5728\u53d1\u5c04\u7535\u78c1\u6ce2\u7684\u540c\u65f6\u63a5\u6536\u76ee\u6807\u7684\u56de\u6ce2\u3002<\/p>\n<p>4.1 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decoding=\"async\" class=\"origin_image zh-lightbox-thumb\" src=\"\/wp-content\/uploads\/2023\/02\/v2-6701e710b7915c9c6afd60817e936405_b.jpg\" width=\"685\" data-rawwidth=\"685\" data-caption=\"\" data-size=\"normal\" data-rawheight=\"463\" data-original=\"https:\/\/pic2.zhimg.com\/v2-6701e710b7915c9c6afd60817e936405_r.jpg\" \/><\/p>\n<p>\u56fe4.1\u96f7\u8fbe\u6d4b\u8ddd\u539f\u7406<\/p>\n<p>\u76ee\u6807\u8ddd\u79bb\uff1a\u5728\u4e0a\u8ff0\u96f7\u8fbe\u6d4b\u8ddd\u539f\u7406\u4e2d\uff0c\u63a5\u6536\u5230\u7684\u56de\u6ce2\u548c\u53d1\u5c04\u7684\u6ce2\u5f62\u4e4b\u95f4\u5b58\u5728\u5ef6\u8fdf\u3002\u7531\u4e8e\u5468\u671f\u6027\uff0c\u5bf9\u4e8e\u56de\u6ce22\uff0c\u65e0\u6cd5\u5224\u65ad\u662f\u8109\u51b21\u8fd8\u662f\u8109\u51b22\u4ea7\u751f\uff0c\u4ece\u800c\u4ea7\u751f\u8ddd\u79bb\u6a21\u7cca\uff0c\u6a21\u7cca\u76ee\u6807\u8ddd\u79bb\u95ee\u9898\u53ef\u4ee5\u901a\u8fc7\u53d8\u5468\u671f\u8109\u51b2\u4fe1\u53f7\u6765\u89e3\u51b3(\u53c2\u5dee\u91cd\u9891)\u3002\u53c2\u6570\u53ef\u53d8\u5468\u671f\u8109\u51b2\u4fe1\u53f7\u662f\u8109\u51b2\u91cd\u590d\u5468\u671f\u4e3a\uff0c\u4e5f\u79f0\u4e3aL\u4ea4\u9519\u8109\u51b2\u5e8f\u5217\uff0c\u5982\u56fe4.2\u6240\u793a\u3002<\/p>\n<p><img decoding=\"async\" class=\"origin_image zh-lightbox-thumb\" src=\"\/wp-content\/uploads\/2023\/02\/v2-376d0078332703746480b25e4d4e33d6_b.jpg\" width=\"871\" data-rawwidth=\"871\" data-caption=\"\" data-size=\"normal\" data-rawheight=\"191\" data-original=\"https:\/\/pic3.zhimg.com\/v2-376d0078332703746480b25e4d4e33d6_r.jpg\" \/><\/p>\n<p>\u56fe4.2 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m\uff0c\u5219\u53d1\u5c04\u8109\u51b2\u5bbd\u5ea6\u8981\u6c42\u4e3a6.67 ns\uff0c\u63a5\u6536\u5668\u5e26\u5bbd\u4e3a150 MHz\uff0c\u4f46\u4ea7\u751f6.67 ns\u7a84\u8109\u51b2\u5f88\u96be\u5b9e\u73b0\uff0c\u800c\u63a5\u6536\u5668\u7684150 MHz\u5e26\u5bbd\u610f\u5473\u7740\u7cfb\u7edf\u8fd8\u9700\u8981\u66f4\u9ad8\u7684A\/D\u91c7\u6837\u901f\u7387\uff0c \u56e0\u6b64\u5de5\u7a0b\u5b9e\u65bd\u6210\u672c\u66f4\u9ad8\u3002<\/p>\n<p>4.2 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decoding=\"async\" class=\"origin_image zh-lightbox-thumb\" src=\"\/wp-content\/uploads\/2023\/02\/v2-57e18d9056f05d0c24b3611c55674943_b.jpg\" width=\"685\" data-rawwidth=\"685\" data-caption=\"\" data-size=\"normal\" data-rawheight=\"262\" data-original=\"https:\/\/pic4.zhimg.com\/v2-57e18d9056f05d0c24b3611c55674943_r.jpg\" \/><\/p>\n<p>\u56fe4.3\u7406\u60f3\u7684\u8109\u51b2\u538b\u7f29\u7cfb\u7edf<\/p>\n<p>\u5728\u7406\u60f3\u7684\u8109\u51b2\u538b\u7f29\u7cfb\u7edf\u6a21\u578b\u4e2d\uff0c\u5047\u8bbe\u5728\u6ce2\u4f20\u64ad\u548c\u76ee\u6807\u53d1\u5c04\u8fc7\u7a0b\u4e2d\uff0c\u4ee5\u53ca\u5728\u5fae\u6ce2\u4fe1\u9053\u3001\u53d1\u5c04\u548c\u63a5\u6536\u5929\u7ebf\u548c\u538b\u7f29\u7f51\u7edc\u4e2d\u7684\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0c\u4fe1\u53f7\u6ca1\u6709\u5931\u771f\uff0c\u589e\u76ca\u4e3a1\u3002\u56e0\u6b64\uff0c\u53d1\u5c04\u7684\u8109\u51b2\u4fe1\u53f7\u4e5f\u662f\u63a5\u6536\u673a\u538b\u7f29\u7f51\u7edc\u8f93\u5165\u7aef\u7684\u76ee\u6807\u56de\u6ce2\u8109\u51b2\u4fe1\u53f7\uff0c\u5176\u4fe1\u53f7\u5bbd\u5ea6\u4e3a\uff0c\u9891\u8c31\u7ed9\u51fa\u5982\u4e0b\uff1a<\/p>\n<p>\u538b\u7f29\u7f51\u7edc\u7684\u9891\u7387\u7279\u6027\u7531\uff0c\u516c\u5f0f\u4e3a\uff1a<\/p>\n<p>\u5728\u516c\u5f0f\u4e2d\uff0cK\u662f\u4e00\u4e2a\u6bd4\u4f8b\u5e38\u6570\uff0c\u5b83\u5f52\u4e00\u5316\u4e86\u5e45\u9891\u7279\u6027\uff0c\u662f\u538b\u7f29\u7f51\u7edc\u7684\u56fa\u5b9a\u5ef6\u8fdf\u3002\u538b\u7f29\u540e\uff0c\u8f93\u51fa\u4fe1\u53f7\u7684\u5305\u7edc\u5bbd\u5ea6\u88ab\u538b\u7f29\u4e3a\uff0c\u8109\u51b2\u538b\u7f29\u7684\u8f93\u51fa\u8868\u8fbe\u5f0f\u4e3a\uff1a<\/p>\n<p>\u6709\u4e24\u79cd\u65b9\u6cd5\u53ef\u4ee5\u63cf\u8ff0\u8109\u51b2\u538b\u7f29\u96f7\u8fbe\u7684\u64cd\u4f5c\uff0c\u4e00\u79cd\u662f\u57fa\u4e8e\u6a21\u7cca\u51fd\u6570\u8c03\u5236\u5bbd\u8109\u51b2\u4ee5\u589e\u52a0\u5176\u5e26\u5bbd\uff0c\u63a5\u6536\u65f6\u8c03\u5236\u7684\u5bbd\u8109\u51b2\u4fe1\u53f7\u901a\u8fc7\u5339\u914d\u6ee4\u6ce2\u5668\uff0c\u8ddd\u79bb\u5206\u8fa8\u7387\u53ef\u4ee5\u901a\u8fc7\u5206\u6790\u6a21\u7cca\u56fe\u50cf\u83b7\u5f97\u3002\u6052\u5b9a\u5e45\u5ea6\u7ebf\u6027\u8c03\u9891\u4fe1\u53f7\u662f\u5e7f\u6cdb\u4f7f\u7528\u7684\u8109\u51b2\u538b\u7f29\u6ce2\u5f62\u7684\u4e00\u4e2a\u4f8b\u5b50\uff0c\u5982\u56fe4.4\u6240\u793a\u3002<\/p>\n<p><img decoding=\"async\" class=\"origin_image zh-lightbox-thumb\" src=\"\/wp-content\/uploads\/2023\/02\/v2-a8552422b8d303144c6b2a88092651b5_b.jpg\" width=\"685\" data-rawwidth=\"685\" data-caption=\"\" data-size=\"normal\" data-rawheight=\"750\" data-original=\"https:\/\/pic2.zhimg.com\/v2-a8552422b8d303144c6b2a88092651b5_r.jpg\" \/><\/p>\n<p>\u56fe4.4\u65f6\u5bbd\u4e3aT\u548c\u5e26\u5bbdB\u7684\u5355\u4e2a\u7ebf\u6027\u8c03\u9891\u8109\u51b2\u7684\u4e8c\u7ef4\u6a21\u7cca\u56fe\u50cf<\/p>\n<p>\u63cf\u8ff0\u8109\u51b2\u538b\u7f29\u7684\u53e6\u4e00\u79cd\u65b9\u6cd5\u662fChirp\uff08\u5541\u557e\uff0czh\u014du 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decoding=\"async\" class=\"origin_image zh-lightbox-thumb\" src=\"\/wp-content\/uploads\/2023\/02\/v2-81ae9e878e1c30e4c7fb21bdee0e7678_b.jpg\" width=\"685\" data-rawwidth=\"685\" data-caption=\"\" data-size=\"normal\" data-rawheight=\"657\" data-original=\"https:\/\/pic1.zhimg.com\/v2-81ae9e878e1c30e4c7fb21bdee0e7678_r.jpg\" \/><\/p>\n<p>\u56fe4.5 \u7ebf\u6027\u8c03\u9891\u8109\u51b2\u538b\u7f29<\/p>\n<p>4.3 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decoding=\"async\" class=\"origin_image zh-lightbox-thumb\" src=\"\/wp-content\/uploads\/2023\/02\/v2-b885e439d2da96bc9174a886f6d3308e_b.jpg\" width=\"685\" data-rawwidth=\"685\" data-caption=\"\" data-size=\"normal\" data-rawheight=\"550\" data-original=\"https:\/\/pic3.zhimg.com\/v2-b885e439d2da96bc9174a886f6d3308e_r.jpg\" \/><\/p>\n<p>\u56fe4.6 FMCW\u96f7\u8fbe\u8fd0\u52a8\u76ee\u6807\u56de\u6ce2\u4fe1\u53f7<\/p>\n<p>FMCW\u96f7\u8fbe\u8fd0\u52a8\u76ee\u6807\u56de\u6ce2\u4fe1\u53f7\u53ef\u8868\u793a\u4e3a\uff1a<\/p>\n<p>\u5728\u4e0a\u8ff0\u4e24\u4e2a\u65b9\u7a0b\u4e2d\u662f\u76ee\u6807\u7269\u4f53\u76f8\u5bf9\u9759\u6b62\u65f6\u4e2d\u9891\u4fe1\u53f7\u7684\u9891\u7387\uff0c\u662f\u591a\u666e\u52d2\u9891\u79fb\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u8868\u793a\u5982\u4e0b\uff1a<\/p>\n<p>\u6839\u636e\u591a\u666e\u52d2\u539f\u7406\uff0c\u591a\u666e\u52d2\u9891\u79fb\u53ef\u6309\u5982\u4e0b\u65b9\u5f0f\u5f97\u5230\uff1a<\/p>\n<p>\u5728\u4e0a\u5f0f\u4e2d\uff0cf\u662f\u53d1\u5c04\u4fe1\u53f7\u7684\u4e2d\u5fc3\u9891\u7387\uff0cv\u662f\u76ee\u6807\u7684\u76f8\u5bf9\u8fd0\u52a8\u901f\u5ea6\u3002v\u7684\u7b26\u53f7\u7531\u76ee\u6807\u7684\u76f8\u5bf9\u8fd0\u52a8\u65b9\u5411\u51b3\u5b9a\u3002\u901a\u5e38\uff0c\u5f53\u76ee\u6807\u9760\u8fd1\u96f7\u8fbe\u7cfb\u7edf\u65f6\uff0cv 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R \u548c\u901f\u5ea6 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decoding=\"async\" class=\"origin_image zh-lightbox-thumb\" src=\"\/wp-content\/uploads\/2023\/02\/v2-a78632dabf9e420de69ade761a535324_b.jpg\" width=\"685\" data-rawwidth=\"685\" data-caption=\"\" data-size=\"normal\" data-rawheight=\"446\" data-original=\"https:\/\/pic1.zhimg.com\/v2-a78632dabf9e420de69ade761a535324_r.jpg\" \/><\/p>\n<p>\u56fe4.7 MFSK\u53d1\u9001\u548c\u63a5\u6536\u6ce2\u5f62<\/p>\n<p>\u56fe4.7\u663e\u793a\u4e86\u8868\u793a\u53d1\u5c04\u4fe1\u53f7\u7684\u5b9e\u7ebf\u548c\u8868\u793a\u63a5\u6536\u4fe1\u53f7\u7684\u865a\u7ebf\uff0c\u5176\u4e2d\uff0c\u662f\u591a\u9891\u79fb\u952e\u63a7\u4fe1\u53f7\u7684\u53d1\u5c04\u4fe1\u53f7\u5468\u671f\uff0c\u5b9a\u4e49\u4e3a\uff0c\u5176\u4e2dN\u662f\u6b65\u8fdb\u6570\uff0c\u662f\u6bcf\u4e2a\u9891\u79fb\u952e\u63a7\u7684\u6b65\u8fdb\u9891\u7387\u503c\uff0c\u662f\u4e24\u4e2a\u6ce2\u5f62A\u548cB\u4e4b\u95f4\u7684\u9891\u7387\u5dee\uff0c\u662f\u6ce2\u5f62\u7684\u603b\u5e26\u5bbd\uff0c\u662f\u9891\u7387\u5dee;\u662f\u57fa\u5e26\u9891\u7387\u3002<\/p>\n<p>\u6ce2\u5f62\u6d4b\u91cf\u96f7\u8fbe\u7406\u8bba\u662f\u6839\u636eMFSK\u6ce2\u5f62\u7279\u6027\u63a8\u5bfc\u548c\u5206\u6790\u7684\uff0c\u8bbeN\u4e2a\u9891\u7387\u7528\u4e8e\u53d1\u5c04\u4fe1\u53f7\uff0c\u8868\u793a\u5982\u4e0b\uff1a<\/p>\n<p>\u5219\u63a5\u6536\u4fe1\u53f7\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a<\/p>\n<p>\u4e2d\u9891\u4fe1\u53f7\u6839\u636e\u6df7\u9891\u5668\u7406\u8bba\u539f\u7406\u8fdb\u884c\u7b80\u5316\uff0c\u5176\u4e2d\u53d1\u5c04\u548c\u63a5\u6536\u4fe1\u53f7\u6df7\u9891\uff0c\u7ed9\u51fa\u5982\u4e0b\uff1a<\/p>\n<p>\u5176\u4e2d\uff0c\u4fbf\u4e8e\u5728N\u4e2a\u4e2d\u9891\u4fe1\u53f7\u4e0a\u8fdb\u884cFFT\u53d8\u6362\uff0c\u5e76\u4e14\u53ef\u4ee5\u8fdb\u4e00\u6b65\u5f97\u5230\uff1a<\/p>\n<p>\u4ece\u4e0a\u5f0f\u4e2d\uff0c\u5f53\uff0c\u4e14X(k)\u8fbe\u5230\u5cf0\u503c\u65f6\uff0c\u4ece\u4e2d\u9891\u4fe1\u53f7\u4e2d\u53ef\u5f97\u5230\u4e3a\uff1a<\/p>\n<p>\u4ec5\u901a\u8fc7\u8ba1\u7b97\u548c\uff0c\u7136\u540e\u4f7f\u7528\u8fd9\u4e24\u4e2a\u65b9\u7a0b\u5c31\u53ef\u4ee5\u5f97\u5230\u76ee\u6807\u8ddd\u79bb\u548c\u901f\u5ea6\u3002\u6839\u636eMFSK\u96f7\u8fbe\u6d4b\u91cf\u7cfb\u7edf\u7684\u539f\u7406\uff0c\u6ce8\u610f\u5230\u548c\u7528\u4e8e\u67e5\u627e\u76ee\u6807\u8ddd\u79bb\u548c\u901f\u5ea6\u7684\u662f\u4e00\u5bf9\u4e00\u5173\u7cfb\uff0c\u4e0d\u4f1a\u53d1\u751f\u4ea4\u53c9\u952f\u9f7f\uff0c\u6545MFSK\u7cfb\u7edf\u53ef\u4ee5\u6709\u6548\u907f\u514d\u865a\u5047\u76ee\u6807\u7684\u53d1\u751f\u30025\u3001Chirp\u5e8f\u5217\u56fe5.1\u663e\u793a\u4e86\u4e00\u4e2a\u7ebf\u6027\u8c03\u9891\u5e8f\u5217\uff0c\u8be5\u5e8f\u5217\u7531\u76f8\u540c\u9891\u7387\u8c03\u5236\u7684\u8fde\u7eed\u6ce2\u5f62\u7684L\u4e2a\u7ec4\u6210\uff0c\u7531\u4e8e\u6bcf\u4e2a\u5e8f\u5217\u6bb5\u7684\u9891\u7387\u8c03\u5236\u5468\u671f\u8f83\u5c0f\uff0c\u5355\u4e2aChirp\u5e8f\u5217\u63a5\u6536\u5230\u7684\u57fa\u5e26\u4fe1\u53f7\u5177\u6709\u8f83\u5927\u7684\u5e26\u5bbd\uff0c\u5bf9\u4e8e\u5355\u4e2aFM\u5e8f\u5217\uff0c\u53ef\u4ee5\u901a\u8fc7FFT\u83b7\u5f97\u5dee\u9891fB\u3002<\/p>\n<p><img decoding=\"async\" class=\"origin_image zh-lightbox-thumb\" src=\"\/wp-content\/uploads\/2023\/02\/v2-2abec68e726b46ef0575516d9b5b79cb_b.jpg\" width=\"587\" data-rawwidth=\"587\" data-caption=\"\" data-size=\"normal\" data-rawheight=\"299\" data-original=\"https:\/\/pic4.zhimg.com\/v2-2abec68e726b46ef0575516d9b5b79cb_r.jpg\" \/><\/p>\n<p>\u56fe45.1 Chirp\u5e8f\u5217<\/p>\n<p>\u5176\u4e2d\uff0c\u5305\u542b\u76ee\u6807\u8ddd\u79bbR\u548c\u591a\u666e\u52d2\u9891\u7387fD\uff0c\u800c\u4e14\u9891\u7387\u5deefB\uff0c\u591a\u666e\u52d2\u9891\u7387fD\u548c\u76f8\u4f4d\u4e5f\u5305\u542b\u5728\u63a5\u6536\u4fe1\u53f7\u7684\u57fa\u5e26\u9891\u5e26\u4e2d\uff0c\u57fa\u5e26\u4fe1\u53f7\u53ef\u4ee5\u7528\u4ee5\u4e0b\u516c\u5f0f\u8868\u793a\uff1a<\/p>\n<p>\u57fa\u5e26\u4fe1\u53f7\u7ecf\u8fc7\u91c7\u6837\u548cFFT\u540e\uff0c\u5f97\u5230K\u4e2a\u76f8\u90bb\u7684\u8ddd\u79bb\u95e8\uff0c\u8868\u793a\u5982\u4e0b\u3002<\/p>\n<p>\u5176\u4e2d\uff0cK\u662f\u79bb\u6563\u57fa\u5e26\u4fe1\u53f7\u7684\u91c7\u6837\u70b9\u6570\uff0cm\u662f\u5dee\u9891\u5e8f\u5217\u53f7\u3002\u63a5\u6536\u4fe1\u53f7\u7684\u6bcf\u4e2aChirp\u5e8f\u5217\u90fd\u5305\u542b\u5dee\u9891fB\uff0c\u5bf9L\u4e2aChirp\u6267\u884cFFT\uff0c\u5904\u7406\u540e\u7684\u6570\u636e\u5c06\u653e\u7f6e\u5728\u4e8c\u7ef4\u77e9\u9635\u4e2d\uff0c\u5982\u56fe5.1\u6240\u793a\u3002<\/p>\n<p><img decoding=\"async\" class=\"origin_image zh-lightbox-thumb\" src=\"\/wp-content\/uploads\/2023\/02\/v2-0577fa877b7ae05117e6197f46763c31_b.jpg\" width=\"685\" data-rawwidth=\"685\" data-caption=\"\" data-size=\"normal\" data-rawheight=\"547\" data-original=\"https:\/\/pic2.zhimg.com\/v2-0577fa877b7ae05117e6197f46763c31_r.jpg\" \/><\/p>\n<p>\u56fe5.2L\u4e2aChirp\u4fe1\u53f7\u7684FFT<\/p>\n<p>\u591a\u666e\u52d2\u9891\u7387fD\u53ef\u4ee5\u901a\u8fc7\u5bf9\u8ddd\u79bb\u95e8\u6267\u884c\u4e8c\u7ef4FFT\u5f97\u5230\uff0c\u5373\u5bf9\u4e0a\u56fe\u6bcf\u4e00\u884c\u6267\u884cFFT\uff0cFFT\u7684\u957f\u5ea6\u4e3aL\u3002<\/p>\n<p>\u5176\u4e2d\uff0cn\u8868\u793a\u79bb\u6563\u591a\u666e\u52d2\u9891\u7387\u7684\u7d22\u5f15\u3002\u901a\u8fc7\u5dee\u9891fB\u548c\u591a\u666e\u52d2\u9891\u7387fD\uff0c\u5bf9\u4e8e\u4e0d\u540c\u7684\u76ee\u6807\u7684\u8ddd\u79bb\u548c\u901f\u5ea6\u4fe1\u606f\u53ef\u4ee5\u901a\u8fc7\u4e0b\u9762\u516c\u5f0f\u5f97\u5230\uff1a<\/p>\n<p>6\u3001MIMO\u6beb\u7c73\u6ce2\u96f7\u8fbe\u7cfb\u7edf<\/p>\n<p>\u591a\u8f93\u5165\u591a\u8f93\u51fa\uff08MIMO\uff09\u6280\u672f\u662f\u6307\u901a\u8fc7\u4f7f\u7528\u591a\u4e2a\u53d1\u5c04\u548c\u63a5\u6536\u5929\u7ebf\u6765\u53d1\u9001\u548c\u63a5\u6536\u4fe1\u53f7\uff0c\u5176\u4e2d\u4fe1\u53f7\u53ef\u4ee5\u901a\u8fc7\u591a\u4e2a\u5929\u7ebf\u53d1\u9001\u6216\u63a5\u6536\u3002<\/p>\n<p>MIMO\u96f7\u8fbe\u5177\u6709M\u4e2a\u53d1\u5c04\u673a\u548cN\u4e2a\u63a5\u6536\u673a\uff0c\u57fa\u4e8e\u6a2a\u622a\u9762\u7edf\u8ba1\u7279\u6027\uff0c\u5f53\u63a5\u6536\u591a\u4e2a\u9635\u5143\u65f6\uff0c\u53ef\u4ee5\u5c06\u5176\u89c6\u4e3a\u5e38\u6570\uff0c\u56e0\u6b64\u8fd9\u63d0\u9ad8\u4e86\u7cfb\u7edf\u4f30\u8ba1\u76ee\u6807\u53c2\u6570\u7684\u6027\u80fd\u3002\u7531\u4e8eMIMO\u96f7\u8fbe\u53ef\u4ee5\u540c\u65f6\u751f\u6210\u6216\u53d1\u5c04M\u4e2a\u6b63\u4ea4\u4f20\u8f93\u6ce2\u5f62\u5e76\u63a5\u6536\u6216\u5904\u7406N\u4e2a\u63a5\u6536\u4fe1\u53f7\uff0c\u56e0\u6b64\u5229\u7528\u6ce2\u5f62\u5206\u96c6\u6280\u672f\u5c06\u865a\u62df\u9635\u5217\u76f8\u4e58\uff0c\u76f8\u5f53\u4e8e\u589e\u52a0\u4e86\u63a5\u6536\u673a\u7684\u5b54\u5f84\u3002\u4e0e\u4f20\u7edf\u96f7\u8fbe\u76f8\u6bd4\uff0cMIMO\u96f7\u8fbe\u53ef\u4ee5\u5b9e\u73b0\u66f4\u9ad8\u7684\u89d2\u5206\u8fa8\u7387\u548c\u7a7a\u95f4\u5206\u8fa8\u7387\u3002\u7136\u800c\uff0cMIMO\u96f7\u8fbe\u7cfb\u7edf\u8fd8\u9700\u8981\u5927\u91cf\u7684\u53d1\u5c04\u5668\u548c\u63a5\u6536\u5668\uff0c\u56e0\u6b64\u5b9e\u9645\u5e94\u7528\u6210\u672c\u5f88\u9ad8\u3002<\/p>\n<p>\u56fe6.1 \u4e2d\u63cf\u8ff0\u7684 MIMO \u9635\u5217\u7531\u56db\u4e2a\u7b49\u95f4\u8ddd\u7684\u53d1\u5c04\u5929\u7ebf\u7ec4\u6210\uff0c\u901a\u8fc7\u914d\u5bf9\u53d1\u5c04\u548c\u63a5\u6536\u5929\u7ebf\u4f4d\u7f6e\u83b7\u5f97\u7684\u865a\u62df\u9635\u5217\u662f\u4e00\u4e2a\u5747\u5300\u7684\u7ebf\u6027\u9635\u5217\uff0c\u5982\u56fe6.2\u6240\u793a\u3002<\/p>\n<p><img decoding=\"async\" class=\"origin_image zh-lightbox-thumb\" src=\"\/wp-content\/uploads\/2023\/02\/v2-c16fd3338c6245f1011d8b49c151dd06_b.jpg\" width=\"623\" data-rawwidth=\"623\" data-caption=\"\" data-size=\"normal\" data-rawheight=\"163\" data-original=\"https:\/\/pic3.zhimg.com\/v2-c16fd3338c6245f1011d8b49c151dd06_r.jpg\" \/><\/p>\n<p>\u56fe6.1 MIMO\u96f7\u8fbe\u5929\u7ebf\u9635\u5217<\/p>\n<p><img decoding=\"async\" class=\"origin_image zh-lightbox-thumb\" src=\"\/wp-content\/uploads\/2023\/02\/v2-7c1a359456c3ee697ad755bbd2d4fd56_b.jpg\" width=\"811\" data-rawwidth=\"811\" data-caption=\"\" data-size=\"normal\" data-rawheight=\"266\" data-original=\"https:\/\/pic3.zhimg.com\/v2-7c1a359456c3ee697ad755bbd2d4fd56_r.jpg\" \/><\/p>\n<p>\u56fe6.2 \u865a\u62df\u9635\u5217<\/p>\n<p>6.1 \u65f6\u5206\u590d\u7528\uff08TDMA-MIMO\uff09<\/p>\n<p>MIMO\u96f7\u8fbe\u7cfb\u7edf\u91c7\u7528TDM\u7684\u5de5\u4f5c\u673a\u6784\uff0c\u6536\u53d1\u5668\u4e0e\u53d1\u5c04\u63a5\u6536\u9635\u5217\u5929\u7ebf\u5355\u5143\u4e4b\u95f4\u7684\u5207\u6362\uff0c\u901a\u8fc7\u9ad8\u901f\u7535\u5b50\u5f00\u5173\uff0c\u53ef\u4ee5\u51cf\u5c11MIMO\u96f7\u8fbe\u5929\u7ebf\u7684\u6570\u91cf\u548c\u590d\u6742\u5ea6\uff0c\u4ece\u800c\u964d\u4f4e\u6210\u672c\uff0c\u83b7\u5f97\u6bd4\u4f20\u7edf\u96f7\u8fbe\u66f4\u597d\u7684\u5230\u8fbe\u65b9\u5411\uff08DOA\uff09\u548c\u89d2\u5206\u8fa8\u7387\u6216\u6a2a\u5411\u5206\u8fa8\u7387\u3002<\/p>\n<p>\u8003\u8651\u4e00\u4e2a\u91c7\u7528TDM\u5de5\u4f5c\u6a21\u5f0f\u7684MIMO\u96f7\u8fbe\uff0c\u53d1\u5c04\u5929\u7ebf\u6570\u91cf\u4e3aM\uff0c\u63a5\u6536\u5929\u7ebf\u6570\u91cf\u4e3aN\u4e2a\uff0c\u6bcf\u4e2a\u63a5\u6536\u5929\u7ebf\u5904\u7684\u63a5\u6536\u4fe1\u53f7\u88ab\u5212\u5206\u4e3aM\u4e2a\u865a\u62df\u4fe1\u53f7\u3002\u5f53\u63a5\u6536\u5929\u7ebf\u6570\u91cf\u4e3aN\u65f6\uff0c\u865a\u62df\u4fe1\u53f7\u7684\u603b\u6570\u4e3aMN\uff0c\u6bcf\u4e2a\u865a\u62df\u4fe1\u53f7\u5bf9\u5e94\u4e8e\u5339\u914d\u5bf9\u4e2d\u7684\u7279\u5b9a\u53d1\u5c04\u5668m\u548c\u63a5\u6536\u5668n\uff0c\u6839\u636e\u5355\u4e2a\u5929\u7ebf\u7cfb\u7edf\u8fdb\u884c\u72ec\u7acb\u5904\u7406\u3002\u5982\u56fe6.3\u6240\u793a\uff0c\u6bcf\u4e2a\u53d1\u5c04\u5929\u7ebf\u53ef\u4ee5\u5728\u5f88\u77ed\u7684\u65f6\u95f4\u5185\u4e13\u95e8\u5360\u636e\u4e00\u4e2a\u96f7\u8fbe\u4fe1\u9053\u3002\u4e0d\u540c\u7684\u989c\u8272\u8868\u793a\u4e0d\u540c\u53d1\u5c04\u5929\u7ebf\u7684\u6bcf\u4e2a\u65f6\u9699\u7684\u6301\u7eed\u65f6\u95f4\u3002\u5728\u6bcf\u4e2a\u63a5\u6536\u5929\u7ebf\u4e0a\uff0c\u63a5\u6536\u4fe1\u53f7\u4ee5\u7684\u901f\u7387\u91c7\u6837\u3002\u8fd9\u4e9b\u4fe1\u53f7\u4e0e\u53d1\u5c04\u4fe1\u53f7\u5177\u6709\u76f8\u540c\u7684TDM\u7ed3\u6784\uff0c\u53ef\u4ee5\u76f4\u63a5\u8bc6\u522b\u76f8\u5e94\u7684\u53d1\u5c04\u5929\u7ebf\u3002<\/p>\n<p><img decoding=\"async\" class=\"origin_image zh-lightbox-thumb\" src=\"\/wp-content\/uploads\/2023\/02\/v2-e1cac5bcce6c6e64b0ffae214574bb67_b.jpg\" width=\"685\" data-rawwidth=\"685\" data-caption=\"\" data-size=\"normal\" data-rawheight=\"436\" data-original=\"https:\/\/pic4.zhimg.com\/v2-e1cac5bcce6c6e64b0ffae214574bb67_r.jpg\" \/><\/p>\n<p>\u56fe6.3 \u65f6\u5206\u590d\u7528\u6a21\u5f0f\u4e0b\u7684\u96f7\u8fbe\u4fe1\u53f7\u6ce2\u5f62<\/p>\n<p>\u4fe1\u53f7\u5904\u7406\u7ed3\u6784\u6700\u7ec8\u5f97\u5230\u4e00\u4e2a\u4e8c\u7ef4\u590d\u6570\u8ddd\u79bb-\u591a\u666e\u52d2\u77e9\u9635\uff0c\uff0c\u5176\u4e2d\uff0c\u5904\u7406\u8fc7\u7a0b\u5982\u56fe6.4\u6240\u793a\u3002<\/p>\n<p><img decoding=\"async\" class=\"origin_image zh-lightbox-thumb\" src=\"\/wp-content\/uploads\/2023\/02\/v2-e6005ef1bed0bce3d7a243961850f5d5_b.jpg\" width=\"685\" data-rawwidth=\"685\" data-caption=\"\" data-size=\"normal\" data-rawheight=\"687\" data-original=\"https:\/\/pic2.zhimg.com\/v2-e6005ef1bed0bce3d7a243961850f5d5_r.jpg\" \/><\/p>\n<p>\u56fe6.4 M=N=4\u65f6\u6bcf\u4e2a\u865a\u62df\u4fe1\u53f7\u7684\u4fe1\u53f7\u5904\u7406\u7ed3\u679c\u4e3a\u8ddd\u79bb-\u591a\u666e\u52d2\u77e9\u9635<\/p>\n<p>\u4f46\u662f\uff0c\u7531\u4e8e\u5929\u7ebf\u7684\u7a7a\u95f4\u5206\u5e03\uff0c\u83b7\u5f97\u7684M*N\u77e9\u9635\u5927\u5c0f\u76f8\u540c\uff0c\u4f46\u76f8\u4f4d\u4e0d\u540c\uff1a<\/p>\n<p>\u5176\u4e2d\uff0c\u662f\u865a\u62df\u9635\u5143\u7684\u7b2ck\u4e2a\u5750\u6807\uff0c\u662f\u7279\u5b9a\u7684\u53c2\u8003\u76f8\u4f4d\uff0c\u5e76\u4e14\u5bf9\u6240\u6709\u77e9\u9635\u76f8\u7b49\u3002\u4e0a\u8ff0\u4e8c\u7ef4\u77e9\u9635\u662f\u5177\u6709\u9ad8\u65b9\u4f4d\u89d2\u5206\u8fa8\u7387\u7684\u6ce2\u675f\u6210\u5f62\u8fc7\u7a0b\u7684\u57fa\u7840\uff0c\u53ef\u4ee5\u901a\u8fc7\u5728\u77e9\u9635\u4e0a\u5e94\u7528\u9891\u8c31\u5206\u6790\u6765\u5b9e\u73b0\uff0c\u5982\u56fe6.5\u6240\u793a\u3002\u5f97\u5230\u7684\u7ed3\u679c\u662f\u4e00\u4e2a\u4e09\u7ef4\u77e9\u9635\u5176\u4e2d\u8fd8\u5305\u62ec\u591a\u4e2a\u76ee\u6807\u7684\u76ee\u6807\u8303\u56f4\u3001\u5f84\u5411\u901f\u5ea6\u548c\u65b9\u4f4d\u89d2\u4fe1\u606f\u3002<\/p>\n<p><img decoding=\"async\" class=\"origin_image zh-lightbox-thumb\" src=\"\/wp-content\/uploads\/2023\/02\/v2-34275e9398dda071757b18a0788c6314_b.jpg\" width=\"669\" data-rawwidth=\"669\" data-caption=\"\" data-size=\"normal\" data-rawheight=\"279\" data-original=\"https:\/\/pic1.zhimg.com\/v2-34275e9398dda071757b18a0788c6314_r.jpg\" \/><\/p>\n<p>\u56fe6.5 \u6ce2\u675f\u5f62\u6210<\/p>\n<p>6.2 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decoding=\"async\" class=\"origin_image zh-lightbox-thumb\" src=\"\/wp-content\/uploads\/2023\/02\/v2-7b0fd911bf680b6d2e3a9b049135f456_b.jpg\" width=\"663\" data-rawwidth=\"663\" data-caption=\"\" data-size=\"normal\" data-rawheight=\"265\" data-original=\"https:\/\/pic3.zhimg.com\/v2-7b0fd911bf680b6d2e3a9b049135f456_r.jpg\" \/><\/p>\n<p>\u56fe6.6 \u70b9\u5bf9\u70b9MIMO\u6ce2\u675f\u6210\u5f62<\/p>\n<p>7\u3001\u6beb\u7c73\u6ce2\u96f7\u8fbe\u76f8\u5173\u6280\u672f<\/p>\n<p>7.1 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