{"id":99820,"date":"2024-12-10T15:55:12","date_gmt":"2024-12-10T07:55:12","guid":{"rendered":"\/\/www.viralrail.com\/?p=99820"},"modified":"2024-12-10T15:55:15","modified_gmt":"2024-12-10T07:55:15","slug":"tcdtdjbylhgzfs","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99820.html","title":{"rendered":"\u56fe\u4f20\u7535\u53f0\u7684\u57fa\u672c\u539f\u7406\u548c\u5de5\u4f5c\u65b9\u5f0f"},"content":{"rendered":"\n<p>\u3000\u3000\u5728\u73b0\u4ee3\u79d1\u6280\u8fc5\u731b\u53d1\u5c55\u7684\u80cc\u666f\u4e0b\uff0c\u65e0\u7ebf\u89c6\u9891\u4f20\u8f93\u6280\u672f\u6b63\u53d8\u5f97\u8d8a\u6765\u8d8a\u91cd\u8981\uff0c\u5c24\u5176\u662f\u5728\u65e0\u4eba\u673a\u3001\u673a\u5668\u4eba\u3001\u5b89\u9632\u76d1\u63a7\u7b49\u9886\u57df\u3002\u56fe\u4f20\u7535\u53f0\uff0c\u4f5c\u4e3a\u65e0\u7ebf\u89c6\u9891\u4fe1\u53f7\u4f20\u8f93\u7684\u6838\u5fc3\u8bbe\u5907\uff0c\u627f\u62c5\u7740\u5c06\u5b9e\u65f6\u89c6\u9891\u4fe1\u53f7\u4ece\u4e00\u4e2a\u8bbe\u5907\u4f20\u8f93\u5230\u53e6\u4e00\u4e2a\u8bbe\u5907\u7684\u91cd\u4efb\u3002\u65e0\u8bba\u662f\u5728\u9ad8\u7a7a\u98de\u884c\u7684\u65e0\u4eba\u673a\u4e0a\uff0c\u8fd8\u662f\u5728\u590d\u6742\u73af\u5883\u4e2d\u7684\u76d1\u63a7\u7cfb\u7edf\u4e2d\uff0c\u56fe\u4f20\u7535\u53f0\u90fd\u53d1\u6325\u7740\u4e0d\u53ef\u6216\u7f3a\u7684\u4f5c\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u56fe\u4f20\u7535\u53f0\u7684\u57fa\u672c\u539f\u7406\u548c\u5de5\u4f5c\u65b9\u5f0f\u6d89\u53ca\u591a\u4e2a\u6280\u672f\u9886\u57df\uff0c\u5305\u62ec\u4fe1\u53f7\u5904\u7406\u3001\u65e0\u7ebf\u901a\u4fe1\u548c\u7535\u5b50\u5de5\u7a0b\u7b49\u3002\u901a\u8fc7\u8c03\u5236\u3001\u53d1\u5c04\u3001\u63a5\u6536\u548c\u89e3\u8c03\u7b49\u4e00\u7cfb\u5217\u8fc7\u7a0b\uff0c\u56fe\u4f20\u7535\u53f0\u80fd\u591f\u5c06\u89c6\u9891\u4fe1\u53f7\u4ee5\u65e0\u7ebf\u65b9\u5f0f\u4f20\u8f93\uff0c\u4ece\u800c\u5b9e\u73b0\u8fdc\u7a0b\u76d1\u63a7\u548c\u5b9e\u65f6\u6570\u636e\u4f20\u9012\u3002\u8fd9\u4e00\u8fc7\u7a0b\u4e0d\u4ec5\u9700\u8981\u9ad8\u6548\u7684\u786c\u4ef6\u652f\u6301\uff0c\u8fd8\u4f9d\u8d56\u4e8e\u5148\u8fdb\u7684\u7b97\u6cd5\u548c\u6280\u672f\uff0c\u4ee5\u786e\u4fdd\u4fe1\u53f7\u7684\u7a33\u5b9a\u6027\u548c\u6e05\u6670\u5ea6\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u65e0\u4eba\u673a\u5e94\u7528\u4e2d\uff0c\u56fe\u4f20\u7535\u53f0\u7684\u6027\u80fd\u76f4\u63a5\u5f71\u54cd\u5230\u98de\u884c\u4efb\u52a1\u7684\u6210\u529f\u4e0e\u5426\u3002\u9ad8\u8d28\u91cf\u7684\u89c6\u9891\u4f20\u8f93\u80fd\u591f\u4e3a\u64cd\u4f5c\u8005\u63d0\u4f9b\u5b9e\u65f6\u7684\u89c6\u89d2\uff0c\u5e2e\u52a9\u4ed6\u4eec\u505a\u51fa\u51c6\u786e\u7684\u51b3\u7b56\u3002\u5728\u5b89\u9632\u76d1\u63a7\u9886\u57df\uff0c\u56fe\u4f20\u7535\u53f0\u5219\u4e3a\u76d1\u63a7\u4eba\u5458\u63d0\u4f9b\u4e86\u7075\u6d3b\u7684\u76d1\u63a7\u89e3\u51b3\u65b9\u6848\uff0c\u4f7f\u4ed6\u4eec\u80fd\u591f\u5728\u5404\u79cd\u73af\u5883\u4e0b\u9ad8\u6548\u5730\u8fdb\u884c\u76d1\u63a7\u548c\u6570\u636e\u6536\u96c6\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5c3d\u7ba1\u56fe\u4f20\u7535\u53f0\u5728\u6280\u672f\u4e0a\u5df2\u7ecf\u53d6\u5f97\u4e86\u663e\u8457\u8fdb\u5c55\uff0c\u4f46\u4ecd\u9762\u4e34\u4e00\u4e9b\u6311\u6218\uff0c\u5982\u4fe1\u53f7\u5e72\u6270\u3001\u4f20\u8f93\u8ddd\u79bb\u9650\u5236\u548c\u6570\u636e\u5b89\u5168\u6027\u7b49\u95ee\u9898\u3002\u56e0\u6b64\uff0c\u6df1\u5165\u4e86\u89e3\u56fe\u4f20\u7535\u53f0\u7684\u5de5\u4f5c\u539f\u7406\u548c\u6280\u672f\u7ec6\u8282\uff0c\u5bf9\u4e8e\u63a8\u52a8\u5176\u5728\u5404\u4e2a\u9886\u57df\u7684\u5e94\u7528\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u672c\u7bc7\u6587\u7ae0\u5c06\u8be6\u7ec6\u63a2\u8ba8\u56fe\u4f20\u7535\u53f0\u7684\u57fa\u672c\u539f\u7406\u548c\u5de5\u4f5c\u65b9\u5f0f\uff0c\u6db5\u76d6\u8c03\u5236\u6280\u672f\u3001\u4fe1\u53f7\u53d1\u5c04\u4e0e\u63a5\u6536\u3001\u89e3\u8c03\u6280\u672f\u4ee5\u53ca\u6574\u4f53\u5de5\u4f5c\u6d41\u7a0b\u7b49\u5173\u952e\u5185\u5bb9\u3002\u901a\u8fc7\u5bf9\u8fd9\u4e9b\u5185\u5bb9\u7684\u6df1\u5165\u5206\u6790\uff0c\u8bfb\u8005\u5c06\u80fd\u591f\u66f4\u597d\u5730\u7406\u89e3\u56fe\u4f20\u7535\u53f0\u7684\u529f\u80fd\u548c\u91cd\u8981\u6027\uff0c\u4e3a\u5176\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u9009\u62e9\u548c\u4f7f\u7528\u63d0\u4f9b\u7406\u8bba\u652f\u6301\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001\u56fe\u4f20\u7535\u53f0\u7684\u8c03\u5236\u6280\u672f<\/h2>\n\n\n\n<p>\u3000\u3000\u8c03\u5236\u6280\u672f\u662f\u56fe\u4f20\u7535\u53f0\u4e2d\u975e\u5e38\u6838\u5fc3\u7684\u6280\u672f\u4e4b\u4e00\u3002\u5b83\u7684\u4f5c\u7528\u662f\u5c06\u89c6\u9891\u4fe1\u53f7(\u6216\u8005\u5176\u4ed6\u7c7b\u578b\u7684\u539f\u59cb\u4fe1\u53f7)\u8f6c\u6362\u6210\u9002\u5408\u65e0\u7ebf\u4f20\u8f93\u7684\u5f62\u5f0f\uff0c\u4f7f\u5f97\u4fe1\u53f7\u80fd\u591f\u901a\u8fc7\u7535\u78c1\u6ce2\u5728\u7a7a\u6c14\u4e2d\u4f20\u64ad\u5e76\u88ab\u63a5\u6536\u3002\u8c03\u5236\u6280\u672f\u7684\u9009\u62e9\u76f4\u63a5\u5f71\u54cd\u5230\u4f20\u8f93\u8d28\u91cf\u3001\u6297\u5e72\u6270\u80fd\u529b\u3001\u4f20\u8f93\u8ddd\u79bb\u4ee5\u53ca\u6570\u636e\u4f20\u8f93\u7684\u7a33\u5b9a\u6027\u3002\u5728\u56fe\u4f20\u7535\u53f0\u4e2d\uff0c\u5e38\u89c1\u7684\u8c03\u5236\u65b9\u5f0f\u4e3b\u8981\u6709\u6a21\u62df\u8c03\u5236\u548c\u6570\u5b57\u8c03\u5236\u4e24\u5927\u7c7b\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u5bf9\u8fd9\u4e24\u79cd\u8c03\u5236\u65b9\u5f0f\u8fdb\u884c\u8be6\u7ec6\u7684\u4ecb\u7ecd\uff0c\u5305\u62ec\u5b83\u4eec\u7684\u4f18\u7f3a\u70b9\u3001\u9002\u7528\u8303\u56f4\u4ee5\u53ca\u53d1\u5c55\u8d8b\u52bf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u6a21\u62df\u8c03\u5236<\/h3>\n\n\n\n<p>\u3000\u3000\u6a21\u62df\u8c03\u5236\u662f\u4f20\u7edf\u7684\u8c03\u5236\u65b9\u5f0f\u4e4b\u4e00\uff0c\u4e3b\u8981\u7528\u4e8e\u5c06\u6a21\u62df\u4fe1\u53f7(\u5982\u89c6\u9891\u4fe1\u53f7\u3001\u97f3\u9891\u4fe1\u53f7\u7b49)\u8f6c\u5316\u4e3a\u9002\u5408\u65e0\u7ebf\u4f20\u8f93\u7684\u7535\u78c1\u6ce2\u4fe1\u53f7\u3002\u901a\u8fc7\u6a21\u62df\u8c03\u5236\uff0c\u539f\u59cb\u7684\u8fde\u7eed\u4fe1\u53f7\u88ab\u8f6c\u6362\u6210\u4e0e\u8f7d\u6ce2\u4fe1\u53f7\u7684\u67d0\u4e2a\u7279\u6027(\u5982\u5e45\u5ea6\u3001\u9891\u7387\u6216\u76f8\u4f4d)\u76f8\u5173\u7684\u6ce2\u5f62\u3002\u6a21\u62df\u8c03\u5236\u65b9\u5f0f\u5305\u62ec\u8c03\u9891(FM)\u3001\u8c03\u5e45(AM)\u548c\u5355\u8fb9\u5e26\u8c03\u5236(SSB)\u7b49\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u8c03\u9891(FM)\u548c\u8c03\u5e45(AM)<\/h4>\n\n\n\n<p>\u3000\u3000<strong>\u8c03\u9891\uff08FM\uff09<\/strong>\uff1a\u8c03\u9891\u662f\u6a21\u62df\u8c03\u5236\u4e2d\u6700\u5e38\u89c1\u7684\u4e00\u79cd\u65b9\u5f0f\uff0c\u5b83\u901a\u8fc7\u6539\u53d8\u8f7d\u6ce2\u4fe1\u53f7\u7684\u9891\u7387\u6765\u4f20\u9012\u4fe1\u606f\u3002\u56fe\u4f20\u7535\u53f0\u4f7f\u7528FM\u8c03\u5236\u65f6\uff0c\u89c6\u9891\u4fe1\u53f7\u7684\u6ce2\u52a8\u4f1a\u5f71\u54cd\u8f7d\u6ce2\u7684\u9891\u7387\uff0c\u4f20\u8f93\u51fa\u7684\u89c6\u9891\u4fe1\u606f\u3002FM\u8c03\u5236\u7684\u4f18\u70b9\u662f\u6297\u566a\u58f0\u80fd\u529b\u5f3a\uff0c\u4fe1\u53f7\u6e05\u6670\uff0c\u5e76\u4e14\u5728\u957f\u8ddd\u79bb\u4f20\u8f93\u65f6\u4e0d\u4f1a\u8f7b\u6613\u8870\u51cf\uff0c\u56e0\u6b64\u5728\u5f88\u591a\u5e7f\u64ad\u548c\u901a\u4fe1\u9886\u57df\u5e7f\u6cdb\u4f7f\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u8c03\u5e45\uff08AM\uff09<\/strong>\uff1a\u8c03\u5e45\u5219\u662f\u901a\u8fc7\u6539\u53d8\u8f7d\u6ce2\u7684\u5e45\u5ea6\u6765\u4f20\u9012\u4fe1\u606f\uff0c\u9002\u5408\u77ed\u8ddd\u79bb\u7684\u4f20\u8f93\u3002AM\u4fe1\u53f7\u7684\u4e3b\u8981\u7f3a\u70b9\u662f\u5bf9\u566a\u58f0\u548c\u5e72\u6270\u975e\u5e38\u654f\u611f\uff0c\u5728\u4fe1\u53f7\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0c\u566a\u58f0\u4f1a\u5f71\u54cd\u5e45\u5ea6\u7684\u53d8\u5316\uff0c\u5bfc\u81f4\u4fe1\u53f7\u5931\u771f\u3002\u867d\u7136AM\u7684\u4f20\u8f93\u6210\u672c\u8f83\u4f4e\uff0c\u4f46\u7531\u4e8e\u5176\u6297\u5e72\u6270\u80fd\u529b\u5dee\uff0c\u5f80\u5f80\u5728\u566a\u58f0\u73af\u5883\u8f83\u4e3a\u590d\u6742\u7684\u5e94\u7528\u573a\u666f\u4e0b\u4e0d\u592a\u9002\u7528\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u5355\u8fb9\u5e26\u8c03\u5236(SSB)<\/h4>\n\n\n\n<p>\u3000\u3000\u5355\u8fb9\u5e26\u8c03\u5236(SSB)\u662f\u8c03\u5e45\u7684\u4e00\u4e2a\u884d\u751f\u5f62\u5f0f\uff0c\u4e3b\u8981\u662f\u901a\u8fc7\u6291\u5236\u8f7d\u6ce2\u53ca\u5176\u5bf9\u79f0\u7684\u9891\u5e26\u6765\u51cf\u5c11\u4f20\u8f93\u5e26\u5bbd\u3002\u76f8\u6bd4\u4f20\u7edf\u7684\u8c03\u5e45\u65b9\u5f0f\uff0cSSB\u80fd\u591f\u6709\u6548\u5730\u964d\u4f4e\u5e26\u5bbd\u5360\u7528\uff0c\u4f7f\u5f97\u9891\u8c31\u8d44\u6e90\u5f97\u5230\u66f4\u9ad8\u6548\u7684\u5229\u7528\u3002\u7531\u4e8e\u5176\u4f4e\u5e26\u5bbd\u548c\u9ad8\u6548\u7387\u7684\u7279\u70b9\uff0cSSB\u5728\u957f\u8ddd\u79bb\u901a\u4fe1\u548c\u65e0\u7ebf\u7535\u4f20\u8f93\u4e2d\u88ab\u5e7f\u6cdb\u4f7f\u7528\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u6a21\u62df\u8c03\u5236\u7684\u4f18\u7f3a\u70b9<\/h4>\n\n\n\n<p>\u3000\u3000<strong>\u4f18\u70b9<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4fe1\u53f7\u4f20\u8f93\u8d28\u91cf\u9ad8<\/strong>\uff1a\u6a21\u62df\u8c03\u5236\u4f20\u8f93\u7684\u4fe1\u53f7\u76f8\u5bf9\u7a33\u5b9a\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u77ed\u8ddd\u79bb\u4f20\u8f93\u6765\u8bf4\uff0c\u89c6\u9891\u4fe1\u53f7\u7684\u8d28\u91cf\u8f83\u4e3a\u4f18\u8d8a\u3002<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5b9e\u73b0\u7b80\u5355<\/strong>\uff1a\u6a21\u62df\u8c03\u5236\u6280\u672f\u539f\u7406\u7b80\u5355\uff0c\u7535\u8def\u5b9e\u73b0\u6210\u672c\u76f8\u5bf9\u8f83\u4f4e\uff0c\u9002\u5408\u4e00\u4e9b\u4f4e\u6210\u672c\u7684\u5e94\u7528\u573a\u666f\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<strong>\u7f3a\u70b9<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6297\u5e72\u6270\u80fd\u529b\u5dee<\/strong>\uff1a\u6a21\u62df\u4fe1\u53f7\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u5bb9\u6613\u53d7\u5230\u5916\u90e8\u5e72\u6270\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u566a\u58f0\u6216\u590d\u6742\u73af\u5883\u4e2d\uff0c\u4fe1\u53f7\u7684\u8d28\u91cf\u4f1a\u53d7\u5230\u663e\u8457\u5f71\u54cd\u3002<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f20\u8f93\u6548\u7387\u4f4e<\/strong>\uff1a\u6a21\u62df\u4fe1\u53f7\u4f20\u8f93\u4e2d\uff0c\u5e26\u5bbd\u5229\u7528\u7387\u8f83\u4f4e\uff0c\u9891\u8c31\u8d44\u6e90\u4e0d\u80fd\u5f97\u5230\u6709\u6548\u5229\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u6570\u5b57\u8c03\u5236<\/h3>\n\n\n\n<p>\u3000\u3000\u6570\u5b57\u8c03\u5236\u662f\u5c06\u539f\u59cb\u7684\u6a21\u62df\u4fe1\u53f7\u8f6c\u6362\u4e3a\u6570\u5b57\u4fe1\u53f7\u540e\uff0c\u518d\u901a\u8fc7\u8c03\u5236\u6280\u672f\u8fdb\u884c\u4f20\u8f93\u3002\u6570\u5b57\u8c03\u5236\u7684\u672c\u8d28\u662f\u901a\u8fc7\u6539\u53d8\u8f7d\u6ce2\u4fe1\u53f7\u7684\u67d0\u4e9b\u7279\u6027(\u5982\u76f8\u4f4d\u3001\u9891\u7387\u6216\u5e45\u5ea6)\u6765\u8868\u793a\u4e8c\u8fdb\u5236\u6570\u636e\u3002\u6570\u5b57\u8c03\u5236\u6280\u672f\u5305\u62ec\u6b63\u4ea4\u632f\u5e45\u8c03\u5236(QAM)\u3001\u76f8\u4f4d\u8c03\u5236(PSK)\u548c\u9891\u79fb\u952e\u63a7(FSK)\u7b49\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u6b63\u4ea4\u632f\u5e45\u8c03\u5236(QAM)<\/h4>\n\n\n\n<p>\u3000\u3000QAM\u662f\u6700\u5e38\u89c1\u7684\u6570\u5b57\u8c03\u5236\u65b9\u5f0f\u4e4b\u4e00\uff0c\u5b83\u901a\u8fc7\u6539\u53d8\u8f7d\u6ce2\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d\u6765\u8868\u793a\u591a\u4e2a\u6570\u5b57\u4fe1\u53f7\u7684\u7ec4\u5408\u3002QAM\u53ef\u4ee5\u5728\u6709\u9650\u7684\u5e26\u5bbd\u5185\u627f\u8f7d\u66f4\u591a\u7684\u6570\u636e\uff0c\u4ece\u800c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u901f\u7387\u3002\u9ad8\u9636\u7684QAM(\u598216-QAM\u300164-QAM)\u53ef\u4ee5\u5728\u540c\u4e00\u9891\u7387\u4e0a\u4f20\u8f93\u66f4\u591a\u7684\u6570\u636e\uff0c\u4f46\u540c\u65f6\u5bf9\u4fe1\u53f7\u8d28\u91cf\u7684\u8981\u6c42\u4e5f\u8f83\u9ad8\uff0c\u5bb9\u6613\u53d7\u5230\u566a\u58f0\u548c\u8870\u51cf\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u76f8\u4f4d\u8c03\u5236(PSK)<\/h4>\n\n\n\n<p>\u3000\u3000PSK\u901a\u8fc7\u6539\u53d8\u8f7d\u6ce2\u7684\u76f8\u4f4d\u6765\u8868\u793a\u4e0d\u540c\u7684\u6570\u5b57\u7b26\u53f7\u3002\u6700\u5e38\u89c1\u7684PSK\u5f62\u5f0f\u6709\u4e8c\u8fdb\u5236\u76f8\u4f4d\u8c03\u5236(BPSK)\u3001\u56db\u76f8\u4f4d\u8c03\u5236(QPSK)\u7b49\u3002PSK\u7684\u4f18\u70b9\u662f\u6297\u5e72\u6270\u80fd\u529b\u5f3a\uff0c\u4f20\u8f93\u6548\u7387\u8f83\u9ad8\u3002PSK\u5728\u56fe\u4f20\u7535\u53f0\u4e2d\u5e38\u7528\u4e8e\u77ed\u8ddd\u79bb\u548c\u9ad8\u53ef\u9760\u6027\u8981\u6c42\u7684\u573a\u666f\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u9891\u79fb\u952e\u63a7(FSK)<\/h4>\n\n\n\n<p>\u3000\u3000FSK\u901a\u8fc7\u6539\u53d8\u8f7d\u6ce2\u9891\u7387\u6765\u8868\u793a\u4e0d\u540c\u7684\u6570\u5b57\u7b26\u53f7\u3002FSK\u8c03\u5236\u8f83\u4e3a\u7b80\u5355\uff0c\u9002\u7528\u4e8e\u4f4e\u901f\u7387\u7684\u901a\u4fe1\u5e94\u7528\u3002\u76f8\u6bd4PSK\u548cQAM\uff0cFSK\u7684\u4f20\u8f93\u901f\u7387\u8f83\u4f4e\uff0c\u4f46\u5177\u6709\u8f83\u5f3a\u7684\u6297\u566a\u58f0\u80fd\u529b\uff0c\u56e0\u6b64\u9002\u5408\u4e00\u4e9b\u4fe1\u53f7\u8f83\u5f31\u3001\u73af\u5883\u590d\u6742\u7684\u573a\u666f\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u6570\u5b57\u8c03\u5236\u7684\u4f18\u7f3a\u70b9<\/h4>\n\n\n\n<p>\u3000\u3000<strong>\u4f18\u70b9<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6297\u5e72\u6270\u80fd\u529b\u5f3a<\/strong>\uff1a\u6570\u5b57\u4fe1\u53f7\u76f8\u6bd4\u6a21\u62df\u4fe1\u53f7\u66f4\u5177\u6297\u5e72\u6270\u80fd\u529b\uff0c\u80fd\u591f\u6709\u6548\u62b5\u6297\u566a\u58f0\u3001\u5e72\u6270\u548c\u8870\u51cf\uff0c\u63d0\u9ad8\u4fe1\u53f7\u7684\u4f20\u8f93\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f20\u8f93\u6548\u7387\u9ad8<\/strong>\uff1a\u6570\u5b57\u8c03\u5236\u80fd\u591f\u9ad8\u6548\u5730\u5229\u7528\u9891\u8c31\u8d44\u6e90\uff0c\u652f\u6301\u66f4\u9ad8\u7684\u4f20\u8f93\u901f\u7387\u3002\u5728\u5bbd\u5e26\u901a\u4fe1\u4e2d\uff0c\u6570\u5b57\u8c03\u5236\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6613\u4e8e\u52a0\u5bc6\u4e0e\u5904\u7406<\/strong>\uff1a\u6570\u5b57\u4fe1\u53f7\u53ef\u4ee5\u901a\u8fc7\u52a0\u5bc6\u3001\u7f16\u7801\u7b49\u65b9\u5f0f\u63d0\u9ad8\u6570\u636e\u7684\u5b89\u5168\u6027\uff0c\u9002\u5408\u9700\u8981\u4fdd\u62a4\u9690\u79c1\u7684\u5e94\u7528\u573a\u666f\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<strong>\u7f3a\u70b9<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5e26\u5bbd\u9700\u6c42\u5927<\/strong>\uff1a\u6570\u5b57\u8c03\u5236\u7684\u4f20\u8f93\u5e26\u5bbd\u8981\u6c42\u76f8\u5bf9\u8f83\u9ad8\uff0c\u5c24\u5176\u662f\u9ad8\u9636QAM\u8c03\u5236\uff0c\u5b83\u5bf9\u9891\u8c31\u7684\u8981\u6c42\u975e\u5e38\u4e25\u683c\u3002<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f20\u8f93\u8ddd\u79bb\u53d7\u9650<\/strong>\uff1a\u76f8\u6bd4\u6a21\u62df\u8c03\u5236\uff0c\u6570\u5b57\u8c03\u5236\u5bf9\u4e8e\u4fe1\u53f7\u8870\u51cf\u548c\u4f20\u8f93\u8ddd\u79bb\u7684\u9002\u5e94\u6027\u8f83\u5dee\uff0c\u53ef\u80fd\u9700\u8981\u989d\u5916\u7684\u4fe1\u53f7\u5904\u7406\u548c\u653e\u5927\u8bbe\u5907\u6765\u4fdd\u8bc1\u8fdc\u8ddd\u79bb\u4f20\u8f93\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003. \u6a21\u62df\u8c03\u5236\u4e0e\u6570\u5b57\u8c03\u5236\u7684\u9002\u7528\u8303\u56f4<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u6a21\u62df\u8c03\u5236\u7684\u5e94\u7528\u573a\u666f<\/h4>\n\n\n\n<p>\u3000\u3000\u6a21\u62df\u8c03\u5236\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5e7f\u64ad\u7535\u89c6\u3001\u65e0\u7ebf\u7535\u901a\u4fe1\u7b49\u573a\u666f\uff0c\u7279\u522b\u662f\u5728\u8fdc\u8ddd\u79bb\u4fe1\u53f7\u4f20\u8f93\u548c\u7a33\u5b9a\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u73af\u5883\u4e2d\u3002\u4f8b\u5982\uff0cFM\u5e7f\u64ad\u3001\u536b\u661f\u7535\u89c6\u7b49\u5e94\u7528\u4e2d\uff0c\u6a21\u62df\u8c03\u5236\u6280\u672f\u7531\u4e8e\u5176\u8f83\u597d\u7684\u4f20\u8f93\u8d28\u91cf\u548c\u8f83\u9ad8\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u4ecd\u7136\u5360\u636e\u91cd\u8981\u5730\u4f4d\u3002\u5bf9\u4e8e\u67d0\u4e9b\u4f4e\u6210\u672c\u3001\u5bf9\u6570\u636e\u4f20\u8f93\u8981\u6c42\u4e0d\u9ad8\u7684\u56fe\u4f20\u7535\u53f0\uff0c\u6a21\u62df\u8c03\u5236\u4f9d\u7136\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u9009\u62e9\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u6570\u5b57\u8c03\u5236\u7684\u5e94\u7528\u573a\u666f<\/h4>\n\n\n\n<p>\u3000\u3000\u6570\u5b57\u8c03\u5236\u6280\u672f\u5728\u73b0\u4ee3\u901a\u4fe1\u4e2d\u5e7f\u6cdb\u5e94\u7528\uff0c\u5c24\u5176\u662f\u9700\u8981\u9ad8\u6570\u636e\u901f\u7387\u548c\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u7684\u573a\u5408\u3002\u65e0\u4eba\u673a\u56fe\u4f20\u3001\u7535\u529b\u7ebf\u901a\u4fe1\u3001\u65e0\u7ebf\u5c40\u57df\u7f51(Wi-Fi)\u3001\u536b\u661f\u901a\u4fe1\u7b49\u90fd\u91c7\u7528\u4e86\u6570\u5b57\u8c03\u5236\u3002\u6570\u5b57\u8c03\u5236\u6280\u672f\u80fd\u591f\u6709\u6548\u89e3\u51b3\u8fdc\u8ddd\u79bb\u4f20\u8f93\u4e2d\u7684\u566a\u58f0\u95ee\u9898\uff0c\u786e\u4fdd\u4fe1\u53f7\u7684\u9ad8\u8d28\u91cf\u4f20\u8f93\uff0c\u7279\u522b\u662f\u5728\u65e0\u4eba\u673a\u548c\u76d1\u63a7\u7cfb\u7edf\u4e2d\uff0c\u6570\u5b57\u8c03\u5236\u7684\u4f18\u52bf\u66f4\u52a0\u663e\u8457\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004. \u8c03\u5236\u6280\u672f\u7684\u53d1\u5c55\u8d8b\u52bf<\/h3>\n\n\n\n<p>\u3000\u3000\u968f\u77405G\u30016G\u7b49\u65b0\u4e00\u4ee3\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7684\u5230\u6765\uff0c\u8c03\u5236\u6280\u672f\u4e5f\u5728\u4e0d\u65ad\u53d1\u5c55\u548c\u8fdb\u5316\u3002\u4ee5\u4e0b\u662f\u51e0\u4e2a\u53d1\u5c55\u8d8b\u52bf\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9ad8\u9636\u8c03\u5236<\/strong>\uff1a\u968f\u7740\u6570\u636e\u4f20\u8f93\u901f\u7387\u9700\u6c42\u7684\u4e0d\u65ad\u589e\u52a0\uff0c\u9ad8\u9636\u8c03\u5236(\u5982256-QAM\u30011024-QAM)\u5c06\u5f97\u5230\u8d8a\u6765\u8d8a\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u8fd9\u4e9b\u9ad8\u9636\u8c03\u5236\u80fd\u591f\u5728\u6709\u9650\u7684\u5e26\u5bbd\u5185\u63d0\u4f9b\u66f4\u9ad8\u7684\u6570\u636e\u901f\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>OFDM\u6280\u672f<\/strong>\uff1a\u6b63\u4ea4\u9891\u5206\u590d\u7528(OFDM)\u662f\u4e00\u79cd\u5148\u8fdb\u7684\u6570\u5b57\u8c03\u5236\u6280\u672f\uff0c\u5b83\u901a\u8fc7\u5c06\u4fe1\u53f7\u5206\u6210\u591a\u4e2a\u5b50\u8f7d\u6ce2\u4f20\u8f93\uff0c\u6709\u6548\u5730\u514b\u670d\u4e86\u591a\u5f84\u6548\u5e94\u548c\u9891\u7387\u9009\u62e9\u6027\u8870\u843d\u95ee\u9898\u3002OFDM\u5728\u65e0\u7ebf\u901a\u4fe1\u4e2d\uff0c\u7279\u522b\u662f\u57285G\u548c\u672a\u67656G\u7f51\u7edc\u4e2d\uff0c\u5177\u6709\u6781\u5927\u7684\u5e94\u7528\u6f5c\u529b\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u591a\u5740\u6280\u672f<\/strong>\uff1a\u968f\u7740\u7528\u6237\u548c\u8bbe\u5907\u6570\u91cf\u7684\u589e\u52a0\uff0c\u591a\u5740\u6280\u672f(\u5982OFDMA\u3001NOMA)\u5c06\u6210\u4e3a\u8c03\u5236\u6280\u672f\u7684\u4e00\u4e2a\u91cd\u8981\u53d1\u5c55\u65b9\u5411\u3002\u8fd9\u4e9b\u6280\u672f\u80fd\u591f\u5728\u540c\u4e00\u9891\u8c31\u8d44\u6e90\u4e0b\u652f\u6301\u66f4\u591a\u7528\u6237\uff0c\u63d0\u9ad8\u9891\u8c31\u7684\u5229\u7528\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6a21\u62df\u8c03\u5236\u548c\u6570\u5b57\u8c03\u5236\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u5e76\u5728\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u4e2d\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\u3002\u6a21\u62df\u8c03\u5236\u56e0\u5176\u5b9e\u73b0\u7b80\u5355\u3001\u4f20\u8f93\u8d28\u91cf\u8f83\u9ad8\uff0c\u5728\u4e00\u4e9b\u4f20\u7edf\u7684\u5e7f\u64ad\u548c\u7535\u89c6\u9886\u57df\u4ecd\u5360\u636e\u91cd\u8981\u5730\u4f4d;\u800c\u6570\u5b57\u8c03\u5236\u5219\u51ed\u501f\u5176\u5f3a\u5927\u7684\u6297\u5e72\u6270\u80fd\u529b\u3001\u4f20\u8f93\u6548\u7387\u548c\u5b89\u5168\u6027\uff0c\u5728\u73b0\u4ee3\u56fe\u4f20\u7535\u53f0\u3001\u65e0\u4eba\u673a\u548c\u901a\u4fe1\u7cfb\u7edf\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002\u968f\u7740\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u6570\u5b57\u8c03\u5236\u6280\u672f\u5c06\u6210\u4e3a\u672a\u6765\u56fe\u4f20\u7535\u53f0\u7684\u91cd\u8981\u53d1\u5c55\u65b9\u5411\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001\u56fe\u4f20\u7535\u53f0\u7684\u4fe1\u53f7\u53d1\u5c04\u548c\u63a5\u6536<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u4fe1\u53f7\u53d1\u5c04\u7cfb\u7edf<\/h3>\n\n\n\n<p>\u3000\u3000\u4fe1\u53f7\u53d1\u5c04\u662f\u56fe\u4f20\u7535\u53f0\u7684\u8d77\u70b9\uff0c\u5176\u4e3b\u8981\u4efb\u52a1\u662f\u5c06<strong>\u56fe\u50cf\u4fe1\u53f7<\/strong>\u5904\u7406\u6210\u9002\u5408\u65e0\u7ebf\u4f20\u8f93\u7684\u5f62\u5f0f\u5e76\u901a\u8fc7\u5929\u7ebf\u8f90\u5c04\u5230\u7a7a\u6c14\u4e2d\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u4fe1\u53f7\u5904\u7406\u9636\u6bb5<\/h4>\n\n\n\n<p>\u3000\u3000\u5728\u53d1\u5c04\u7aef\uff0c\u539f\u59cb\u89c6\u9891\u4fe1\u53f7\u7ecf\u8fc7\u4ee5\u4e0b\u5904\u7406\u6d41\u7a0b\uff1a<\/p>\n\n\n\n<p>\u3000\u3000(1)\u4fe1\u53f7\u91c7\u96c6<\/p>\n\n\n\n<p>\u3000\u3000\u56fe\u4f20\u7535\u53f0\u7684\u8f93\u5165\u4fe1\u53f7\u4e00\u822c\u6765\u6e90\u4e8e<strong>\u6444\u50cf\u5934<\/strong>\u6216\u5176\u4ed6\u6210\u50cf\u8bbe\u5907\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u89c6\u9891\u91c7\u96c6\u5361\u6216\u6570\u5b57\u5316\u6a21\u5757\uff0c\u6a21\u62df\u56fe\u50cf\u4fe1\u53f7\u88ab\u91c7\u6837\u548c\u91cf\u5316\uff0c\u751f\u6210\u6807\u51c6\u7684\u6570\u5b57\u56fe\u50cf\u4fe1\u53f7\uff0c\u5982RGB\u3001YUV\u683c\u5f0f\u3002<\/p>\n\n\n\n<p>\u3000\u3000(2)\u4fe1\u53f7\u538b\u7f29\u4e0e\u7f16\u7801<\/p>\n\n\n\n<p>\u3000\u3000\u89c6\u9891\u4fe1\u53f7\u5177\u6709\u6781\u9ad8\u7684\u5e26\u5bbd\u9700\u6c42\uff0c\u56e0\u6b64\u5728\u53d1\u5c04\u524d\u5fc5\u987b\u5bf9\u5176\u8fdb\u884c<strong>\u538b\u7f29\u7f16\u7801<\/strong>\u3002\u5e38\u7528\u7684\u538b\u7f29\u6807\u51c6\u5305\u62ec\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>H.264\/AVC<\/strong>\uff1a\u9ad8\u6548\u3001\u4f4e\u5ef6\u8fdf\u7684\u538b\u7f29\u65b9\u5f0f\uff0c\u9002\u5408\u5b9e\u65f6\u89c6\u9891\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>H.265\/HEVC<\/strong>\uff1a\u66f4\u9ad8\u538b\u7f29\u6bd4\u7684\u6807\u51c6\uff0c\u7528\u4e8e\u9ad8\u5206\u8fa8\u7387(\u59824K)\u7684\u89c6\u9891\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7f16\u7801\u540e\u7684\u4fe1\u53f7\u88ab\u8f6c\u6362\u4e3a\u6bd4\u7279\u6d41\uff0c\u51c6\u5907\u8f93\u5165\u8c03\u5236\u6a21\u5757\u3002<\/p>\n\n\n\n<p>\u3000\u3000(3)\u8c03\u5236<\/p>\n\n\n\n<p>\u3000\u3000\u538b\u7f29\u540e\u7684\u89c6\u9891\u6bd4\u7279\u6d41\u8fdb\u5165<strong>\u8c03\u5236\u5668<\/strong>\uff0c\u901a\u8fc7\u9009\u7528\u5408\u9002\u7684\u8c03\u5236\u65b9\u5f0f(\u5982QPSK\u300116-QAM)\uff0c\u5c06\u6570\u5b57\u4fe1\u53f7\u8f6c\u6362\u4e3a\u5c04\u9891\u4fe1\u53f7\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u8c03\u5236\u65b9\u5f0f\u7684\u9009\u62e9\u76f4\u63a5\u5f71\u54cd\u53d1\u5c04\u4fe1\u53f7\u7684\u9891\u8c31\u5229\u7528\u7387\u3001\u6297\u5e72\u6270\u80fd\u529b\u548c\u4f20\u8f93\u6548\u7387\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u5c04\u9891\u653e\u5927\u548c\u9891\u7387\u53d8\u6362<\/h4>\n\n\n\n<p>\u3000\u3000(1)\u5c04\u9891\u653e\u5927<\/p>\n\n\n\n<p>\u3000\u3000\u8c03\u5236\u540e\u7684\u4fe1\u53f7\u529f\u7387\u8f83\u4f4e\uff0c\u65e0\u6cd5\u76f4\u63a5\u4f20\u64ad\u8f83\u8fdc\u7684\u8ddd\u79bb\uff0c\u56e0\u6b64\u9700\u8981\u901a\u8fc7\u5c04\u9891\u529f\u7387\u653e\u5927\u5668(PA)\u5c06\u4fe1\u53f7\u589e\u5f3a\u5230\u9002\u5408\u4f20\u8f93\u7684\u529f\u7387\u6c34\u5e73\u3002\u53d1\u5c04\u529f\u7387\u7684\u5927\u5c0f\u51b3\u5b9a\u4e86\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\uff0c\u4f46\u529f\u7387\u8fc7\u5927\u4f1a\u5f15\u53d1\u9891\u8c31\u6c61\u67d3\u6216\u90bb\u9891\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000(2)\u9891\u7387\u4e0a\u53d8\u6362<\/p>\n\n\n\n<p>\u3000\u3000\u56fe\u4f20\u7535\u53f0\u901a\u5e38\u5de5\u4f5c\u5728\u5fae\u6ce2\u6216\u6beb\u7c73\u6ce2\u9891\u6bb5(\u59822.4GHz\u30015.8GHz)\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u8c03\u5236\u540e\u7684\u4e2d\u9891\u4fe1\u53f7(IF)\u901a\u8fc7\u6df7\u9891\u5668\u4e0e\u672c\u632f\u4fe1\u53f7(LO)\u8fdb\u884c\u9891\u7387\u53d8\u6362\uff0c\u751f\u6210\u9ad8\u9891\u8f7d\u6ce2\u4fe1\u53f7\uff0c\u4ee5\u4fbf\u901a\u8fc7\u5929\u7ebf\u8f90\u5c04\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u5929\u7ebf\u8f90\u5c04<\/h4>\n\n\n\n<p>\u3000\u3000<strong>\u5929\u7ebf<\/strong>\u662f\u53d1\u5c04\u7aef\u7684\u91cd\u8981\u7ec4\u4ef6\uff0c\u8d1f\u8d23\u5c06\u9ad8\u9891\u4fe1\u53f7\u8f6c\u5316\u4e3a\u7535\u78c1\u6ce2\u5411\u5916\u4f20\u64ad\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5929\u7ebf\u8bbe\u8ba1\u7684\u5173\u952e\u6307\u6807\u5305\u62ec\u589e\u76ca\u3001\u65b9\u5411\u6027\u548c\u5e26\u5bbd\u3002\u5e38\u7528\u7684\u5929\u7ebf\u7c7b\u578b\u6709\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5168\u5411\u5929\u7ebf<\/strong>\uff1a\u9002\u5408\u5e7f\u64ad\u5f0f\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5b9a\u5411\u5929\u7ebf<\/strong>\uff1a\u9002\u5408\u65e0\u4eba\u673a\u56fe\u4f20\u7b49\u9700\u8981\u8f83\u8fdc\u4f20\u8f93\u8ddd\u79bb\u7684\u573a\u666f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u4fe1\u53f7\u63a5\u6536\u7cfb\u7edf<\/h3>\n\n\n\n<p>\u3000\u3000\u4fe1\u53f7\u63a5\u6536\u662f\u56fe\u4f20\u7535\u53f0\u7684\u7ec8\u70b9\uff0c\u5176\u4efb\u52a1\u662f\u4ece\u65e0\u7ebf\u7535\u6ce2\u4e2d\u63d0\u53d6\u4fe1\u53f7\uff0c\u5e76\u91cd\u5efa\u4e3a\u53ef\u4ee5\u88ab\u4eba\u7c7b\u6216\u8bbe\u5907\u7406\u89e3\u7684\u56fe\u50cf\u5185\u5bb9\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u63a5\u6536\u7aef\u4fe1\u53f7\u5904\u7406\u6d41\u7a0b<\/h4>\n\n\n\n<p>\u3000\u3000(1)\u5929\u7ebf\u63a5\u6536<\/p>\n\n\n\n<p>\u3000\u3000\u63a5\u6536\u5929\u7ebf\u8d1f\u8d23\u6355\u83b7\u7a7a\u95f4\u4e2d\u7684\u7535\u78c1\u6ce2\u4fe1\u53f7\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u7535\u4fe1\u53f7\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u9ad8\u589e\u76ca\u5929\u7ebf(\u5982\u629b\u7269\u9762\u5929\u7ebf\u6216\u9635\u5217\u5929\u7ebf)\u5728\u957f\u8ddd\u79bb\u901a\u4fe1\u4e2d\u5177\u6709\u66f4\u5f3a\u7684\u4fe1\u53f7\u6355\u83b7\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u3000\u3000(2)\u4f4e\u566a\u58f0\u653e\u5927(LNA)<\/p>\n\n\n\n<p>\u3000\u3000\u4ece\u5929\u7ebf\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u8f83\u5f31\u4e14\u4f34\u968f\u566a\u58f0\uff0c\u9700\u8981\u901a\u8fc7\u4f4e\u566a\u58f0\u653e\u5927\u5668(LNA)\u5bf9\u4fe1\u53f7\u8fdb\u884c\u653e\u5927\uff0c\u540c\u65f6\u5c3d\u91cf\u51cf\u5c11\u5f15\u5165\u989d\u5916\u566a\u58f0\u3002<\/p>\n\n\n\n<p>\u3000\u3000(3)\u9891\u7387\u4e0b\u53d8\u6362<\/p>\n\n\n\n<p>\u3000\u3000\u9ad8\u9891\u4fe1\u53f7\u901a\u8fc7\u6df7\u9891\u5668\u4e0e\u672c\u632f\u4fe1\u53f7(LO)\u6df7\u9891\uff0c\u8f6c\u5316\u4e3a\u4fbf\u4e8e\u5904\u7406\u7684\u4e2d\u9891\u4fe1\u53f7(IF)\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u63a5\u6536\u7aef\u7684\u9891\u7387\u4e0b\u53d8\u6362\u8fc7\u7a0b\u4e2d\uff0c\u5fc5\u987b\u4fdd\u8bc1\u6df7\u9891\u5668\u7684<strong>\u76f8\u4f4d\u566a\u58f0<\/strong>\u548c<strong>\u9891\u8c31\u7eaf\u51c0\u5ea6<\/strong>\uff0c\u5426\u5219\u4f1a\u5bfc\u81f4\u4fe1\u53f7\u52a3\u5316\u3002<\/p>\n\n\n\n<p>\u3000\u3000(4)\u89e3\u8c03\u4e0e\u89e3\u7801<\/p>\n\n\n\n<p>\u3000\u3000\u4e2d\u9891\u4fe1\u53f7\u901a\u8fc7\u89e3\u8c03\u5668\u63d0\u53d6\u51fa\u539f\u59cb\u7684\u6570\u5b57\u6bd4\u7279\u6d41\u3002\u89e3\u8c03\u65b9\u5f0f\u4e0e\u53d1\u5c04\u7aef\u7684\u8c03\u5236\u65b9\u5f0f\u5bf9\u5e94(\u5982QPSK\u89e3\u8c03\u5bf9\u5e94QPSK\u8c03\u5236)\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6bd4\u7279\u6d41\u7ecf\u8fc7<strong>\u89e3\u7801\u5668<\/strong>\u8fd8\u539f\u4e3a\u538b\u7f29\u540e\u7684\u56fe\u50cf\u6570\u636e\uff0c\u89e3\u7801\u5668\u652f\u6301\u7684\u6807\u51c6\u901a\u5e38\u4e0e\u53d1\u5c04\u7aef\u4e00\u81f4(\u5982H.264\u6216H.265)\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u89e3\u7801\u5b8c\u6210\u540e\u5f97\u5230\u7684\u4fe1\u53f7\u518d\u7ecf\u8fc7\u89e3\u538b\u7f29\uff0c\u91cd\u5efa\u51fa\u539f\u59cb\u7684\u56fe\u50cf\u4fe1\u53f7\u3002<\/p>\n\n\n\n<p>\u3000\u3000(5)\u8bef\u7801\u6821\u6b63<\/p>\n\n\n\n<p>\u3000\u3000\u63a5\u6536\u7aef\u91c7\u7528\u524d\u5411\u7ea0\u9519\u7f16\u7801(FEC)\u6280\u672f(\u5982\u5377\u79ef\u7f16\u7801\u3001LDPC)\u6765\u68c0\u6d4b\u5e76\u7ea0\u6b63\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u7684\u8bef\u7801\uff0c\u63d0\u9ad8\u4fe1\u53f7\u7684\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u63a5\u6536\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u4e0e\u591a\u5f84\u6548\u5e94<\/h4>\n\n\n\n<p>\u3000\u3000\u65e0\u7ebf\u4f20\u8f93\u73af\u5883\u4e2d\uff0c\u63a5\u6536\u4fe1\u53f7\u5f80\u5f80\u53d7\u5230\u591a\u79cd\u5e72\u6270\u548c\u4fe1\u53f7\u8870\u843d\u7684\u5f71\u54cd\u3002\u63a5\u6536\u7aef\u9700\u8981\u91c7\u53d6\u6709\u6548\u7684\u6280\u672f\u6765\u5e94\u5bf9\u8fd9\u4e9b\u95ee\u9898\uff1a<\/p>\n\n\n\n<p>\u3000\u3000(1)\u6297\u5e72\u6270\u6280\u672f<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u81ea\u52a8\u589e\u76ca\u63a7\u5236\uff08AGC\uff09<\/strong>\uff1a\u52a8\u6001\u8c03\u6574\u4fe1\u53f7\u589e\u76ca\u4ee5\u9002\u5e94\u4e0d\u540c\u7684\u5e72\u6270\u5f3a\u5ea6\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9891\u8c31\u6ee4\u6ce2<\/strong>\uff1a\u901a\u8fc7\u7a84\u5e26\u6ee4\u6ce2\u5668\u6291\u5236\u5e26\u5916\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000(2)\u591a\u5f84\u6548\u5e94\u4e0e\u5176\u89e3\u51b3\u65b9\u6cd5<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u591a\u5f84\u6548\u5e94<\/strong>\u6307\u4fe1\u53f7\u5728\u4f20\u64ad\u8fc7\u7a0b\u4e2d\u56e0\u53cd\u5c04\u3001\u6563\u5c04\u7b49\u539f\u56e0\u4ea7\u751f\u591a\u4e2a\u8def\u5f84\u5230\u8fbe\u63a5\u6536\u7aef\uff0c\u4f1a\u5f15\u8d77\u4fe1\u53f7\u7684\u5e72\u6d89\u548c\u7578\u53d8\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u89e3\u51b3\u591a\u5f84\u6548\u5e94\u7684\u6280\u672f\u5305\u62ec\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>RAKE\u63a5\u6536\u673a<\/strong>\uff1a\u901a\u8fc7\u6355\u83b7\u591a\u5f84\u4fe1\u53f7\u7684\u4e0d\u540c\u5206\u91cf\u5e76\u76f8\u5e72\u5408\u6210\uff0c\u63d0\u5347\u4fe1\u53f7\u8d28\u91cf\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>OFDM\u6280\u672f<\/strong>\uff1a\u5c06\u5bbd\u5e26\u4fe1\u53f7\u5206\u6210\u591a\u4e2a\u7a84\u5e26\u5b50\u8f7d\u6ce2\uff0c\u4ece\u800c\u51cf\u5c11\u591a\u5f84\u6548\u5e94\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003. \u4fe1\u53f7\u53d1\u5c04\u4e0e\u63a5\u6536\u7684\u5173\u952e\u6280\u672f<\/h3>\n\n\n\n<p>\u3000\u3000\u4fe1\u53f7\u53d1\u5c04\u4e0e\u63a5\u6536\u7684\u6838\u5fc3\u6280\u672f\u76f4\u63a5\u5173\u7cfb\u5230\u56fe\u4f20\u7535\u53f0\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002\u4ee5\u4e0b\u662f\u51e0\u9879\u5173\u952e\u6280\u672f\u7684\u8be6\u7ec6\u8bf4\u660e\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u52a8\u6001\u9891\u7387\u9009\u62e9(DFS)\uff1a<\/strong>DFS\u6280\u672f\u53ef\u4ee5\u52a8\u6001\u68c0\u6d4b\u4fe1\u9053\u5e72\u6270\u5e76\u9009\u62e9\u8f83\u4e3a\u6e05\u6670\u7684\u9891\u6bb5\u8fdb\u884c\u4fe1\u53f7\u4f20\u8f93\uff0c\u6709\u6548\u63d0\u9ad8\u9891\u8c31\u5229\u7528\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6ce2\u675f\u6210\u5f62\uff1a<\/strong>\u6ce2\u675f\u6210\u5f62\u6280\u672f\u901a\u8fc7\u8c03\u6574\u5929\u7ebf\u9635\u5217\u7684\u76f8\u4f4d\u548c\u5e45\u5ea6\uff0c\u4f7f\u5f97\u4fe1\u53f7\u80fd\u91cf\u96c6\u4e2d\u4e8e\u76ee\u6807\u65b9\u5411\uff0c\u51cf\u5c11\u5e72\u6270\u548c\u529f\u7387\u635f\u5931\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>MIMO\u6280\u672f\uff1a<\/strong>\u591a\u8f93\u5165\u591a\u8f93\u51fa(MIMO)\u6280\u672f\u5229\u7528\u591a\u4e2a\u5929\u7ebf\u5728\u53d1\u5c04\u548c\u63a5\u6536\u7aef\u540c\u65f6\u8fdb\u884c\u4fe1\u53f7\u4f20\u8f93\uff0c\u63d0\u9ad8\u7cfb\u7edf\u5bb9\u91cf\u548c\u4f20\u8f93\u901f\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>FEC\u7f16\u7801\u6280\u672f\uff1a<\/strong>\u524d\u5411\u7ea0\u9519\u7f16\u7801(\u5982Turbo\u7801\u3001LDPC\u7801)\u5728\u6570\u636e\u4f20\u8f93\u524d\u52a0\u5165\u5197\u4f59\u4fe1\u606f\uff0c\u5728\u63a5\u6536\u7aef\u80fd\u591f\u6709\u6548\u7ea0\u6b63\u4fe1\u53f7\u4e2d\u7684\u8bef\u7801\uff0c\u63d0\u5347\u901a\u4fe1\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004. \u4fe1\u53f7\u53d1\u5c04\u4e0e\u63a5\u6536\u7cfb\u7edf\u7684\u4f18\u5316<\/h3>\n\n\n\n<p>\u3000\u3000(1)\u63d0\u9ad8\u529f\u7387\u6548\u7387<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528\u9ad8\u6548\u7684\u529f\u7387\u653e\u5927\u5668\u548c\u4f4e\u566a\u58f0\u63a5\u6536\u5668\u4ee5\u51cf\u5c11\u529f\u8017\uff0c\u5ef6\u957f\u8bbe\u5907\u7535\u6c60\u5bff\u547d\uff0c\u7279\u522b\u662f\u5728\u65e0\u4eba\u673a\u7b49\u79fb\u52a8\u8bbe\u5907\u4e2d\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n\n\n\n<p>\u3000\u3000(2)\u4f18\u5316\u4f20\u8f93\u94fe\u8def<\/p>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u667a\u80fd\u4fe1\u9053\u5206\u914d\u3001\u529f\u7387\u63a7\u5236\u548c\u81ea\u9002\u5e94\u8c03\u5236\u4f18\u5316\u4f20\u8f93\u94fe\u8def\u6027\u80fd\uff0c\u52a8\u6001\u9002\u5e94\u4e0d\u540c\u73af\u5883\u6761\u4ef6\u3002<\/p>\n\n\n\n<p>\u3000\u3000(3)\u6297\u5e72\u6270\u4e0e\u5b89\u5168\u6027<\/p>\n\n\n\n<p>\u3000\u3000\u5e94\u7528\u52a0\u5bc6\u6280\u672f(\u5982AES)\u548c\u8ba4\u8bc1\u673a\u5236\u63d0\u9ad8\u4f20\u8f93\u94fe\u8def\u7684\u5b89\u5168\u6027\uff0c\u9632\u6b62\u4fe1\u53f7\u88ab\u52ab\u6301\u6216\u7be1\u6539\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4fe1\u53f7\u7684\u53d1\u5c04\u4e0e\u63a5\u6536\u662f\u56fe\u4f20\u7535\u53f0\u7cfb\u7edf\u7684\u6838\u5fc3\u90e8\u5206\uff0c\u6db5\u76d6\u4e86\u4fe1\u53f7\u7684\u91c7\u96c6\u3001\u8c03\u5236\u3001\u4f20\u8f93\u3001\u89e3\u8c03\u548c\u89e3\u7801\u7b49\u5173\u952e\u73af\u8282\u3002\u53d1\u5c04\u7aef\u901a\u8fc7\u8c03\u5236\u548c\u653e\u5927\u5c06\u89c6\u9891\u4fe1\u53f7\u9ad8\u6548\u8f6c\u5316\u4e3a\u7535\u78c1\u6ce2\uff0c\u800c\u63a5\u6536\u7aef\u5219\u5229\u7528\u89e3\u8c03\u548c\u8bef\u7801\u6821\u6b63\u8fd8\u539f\u56fe\u50cf\u5185\u5bb9\u3002\u5728\u73b0\u4ee3\u901a\u4fe1\u4e2d\uff0c<strong>\u667a\u80fd\u5316\u3001\u81ea\u9002\u5e94\u548c\u9ad8\u6548\u6297\u5e72\u6270\u6280\u672f<\/strong>\u662f\u56fe\u4f20\u7535\u53f0\u4fe1\u53f7\u4f20\u8f93\u4f18\u5316\u7684\u4e3b\u8981\u65b9\u5411\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001\u56fe\u4f20\u7535\u53f0\u7684\u89e3\u8c03\u6280\u672f<\/h2>\n\n\n\n<p>\u3000\u3000\u56fe\u4f20\u7535\u53f0\u7684\u89e3\u8c03\u6280\u672f\u662f\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u91cd\u8981\u73af\u8282\uff0c\u5b83\u76f4\u63a5\u5f71\u54cd\u4fe1\u53f7\u7684\u89e3\u7801\u8d28\u91cf\u548c\u4f20\u8f93\u7a33\u5b9a\u6027\u3002\u89e3\u8c03\u6280\u672f\u7684\u6838\u5fc3\u4efb\u52a1\u662f\u4ece\u63a5\u6536\u5230\u7684\u65e0\u7ebf\u7535\u6ce2\u4e2d\u63d0\u53d6\u51fa\u6709\u6548\u4fe1\u606f\uff0c\u786e\u4fdd\u56fe\u50cf\u4fe1\u53f7\u80fd\u591f\u88ab\u51c6\u786e\u3001\u6e05\u6670\u5730\u8fd8\u539f\u3002\u89e3\u8c03\u6280\u672f\u4e0d\u4ec5\u6d89\u53ca\u5230\u5982\u4f55\u4ece\u590d\u6742\u7684\u65e0\u7ebf\u7535\u6ce2\u4e2d\u6062\u590d\u6570\u636e\uff0c\u8fd8\u8981\u5e94\u5bf9\u5404\u79cd\u5e72\u6270\u548c\u566a\u58f0\u7684\u6311\u6218\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u56fe\u4f20\u7535\u53f0\u7684\u4fe1\u53f7\u94fe\u8def\u4e2d\uff0c\u89e3\u8c03\u6280\u672f\u8d77\u5230\u4e86\u5173\u952e\u4f5c\u7528\uff0c\u5b83\u4f7f\u5f97\u6570\u5b57\u4fe1\u53f7\u53ef\u4ee5\u4ece\u8c03\u5236\u540e\u7684\u5c04\u9891\u4fe1\u53f7\u4e2d\u6b63\u786e\u5730\u63d0\u53d6\u51fa\u6765\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u5206\u6790\u56fe\u4f20\u7535\u53f0\u7684\u89e3\u8c03\u6280\u672f\u3001\u4e3b\u8981\u7684\u89e3\u8c03\u65b9\u6cd5\uff0c\u4ee5\u53ca\u5982\u4f55\u901a\u8fc7\u9ad8\u6548\u7684\u89e3\u8c03\u6280\u672f\u4fdd\u8bc1\u56fe\u50cf\u4fe1\u53f7\u7684\u7a33\u5b9a\u4f20\u8f93\u548c\u9ad8\u8d28\u91cf\u63a5\u6536\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u89e3\u8c03\u6280\u672f\u6982\u8ff0<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u89e3\u8c03<\/strong>\u662f\u6307\u901a\u8fc7\u89e3\u7801\u8fc7\u7a0b\u5c06\u63a5\u6536\u5230\u7684\u8c03\u5236\u4fe1\u53f7\u6062\u590d\u4e3a\u539f\u59cb\u6570\u636e\u7684\u8fc7\u7a0b\u3002\u5728\u56fe\u4f20\u7535\u53f0\u4e2d\uff0c\u89e3\u8c03\u6280\u672f\u76f4\u63a5\u5f71\u54cd\u4fe1\u53f7\u7684\u8d28\u91cf\u548c\u53ef\u9760\u6027\uff0c\u5176\u4e3b\u8981\u76ee\u6807\u662f\u8fd8\u539f\u51fa\u53d1\u5c04\u7aef\u7684\u56fe\u50cf\u4fe1\u53f7\u6216\u89c6\u9891\u6d41\u3002\u56e0\u6b64\uff0c\u89e3\u8c03\u6280\u672f\u9700\u8981\u6709\u6548\u5730\u62b5\u5fa1\u591a\u79cd\u5e72\u6270\u3001\u8870\u843d\u53ca\u591a\u5f84\u6548\u5e94\uff0c\u786e\u4fdd\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u4fe1\u606f\u4e0d\u4e22\u5931\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u8c03\u5236\u4e0e\u89e3\u8c03\u7684\u5173\u7cfb<\/h4>\n\n\n\n<p>\u3000\u3000\u5728\u56fe\u4f20\u7535\u53f0\u4e2d\uff0c<strong>\u8c03\u5236<\/strong>\u6280\u672f\u901a\u8fc7\u5c06\u539f\u59cb\u4fe1\u53f7(\u5982\u89c6\u9891\u4fe1\u53f7)\u6620\u5c04\u5230\u9ad8\u9891\u8f7d\u6ce2\u4e0a\uff0c\u4ee5\u4fbf\u8fdb\u884c\u65e0\u7ebf\u4f20\u8f93\u3002\u800c<strong>\u89e3\u8c03<\/strong>\u5219\u662f\u53cd\u5411\u64cd\u4f5c\uff0c\u5b83\u4ece\u63a5\u6536\u5230\u7684\u65e0\u7ebf\u4fe1\u53f7\u4e2d\u63d0\u53d6\u51fa\u539f\u59cb\u7684\u6570\u636e\u6d41\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4f8b\u5982\uff0c\u82e5\u53d1\u5c04\u7aef\u4f7f\u7528<strong>QPSK<\/strong>(\u56db\u76f8\u4f4d\u79fb\u952e\u63a7)\u8c03\u5236\uff0c\u63a5\u6536\u7aef\u5219\u9700\u4f7f\u7528<strong>QPSK\u89e3\u8c03<\/strong>\u6765\u6062\u590d\u53d1\u9001\u7684\u6570\u5b57\u4fe1\u606f\u3002\u8c03\u5236\u4e0e\u89e3\u8c03\u65b9\u6cd5\u5fc5\u987b\u76f8\u4e92\u5339\u914d\uff0c\u624d\u80fd\u786e\u4fdd\u4fe1\u606f\u7684\u65e0\u8bef\u4f20\u8f93\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u4e3b\u8981\u7684\u89e3\u8c03\u6280\u672f<\/h3>\n\n\n\n<p>\u3000\u3000\u4e0d\u540c\u7684\u8c03\u5236\u65b9\u5f0f\u8981\u6c42\u91c7\u7528\u4e0d\u540c\u7684\u89e3\u8c03\u6280\u672f\uff0c\u4ee5\u4e0b\u662f\u56fe\u4f20\u7535\u53f0\u4e2d\u5e38\u89c1\u7684\u51e0\u79cd\u89e3\u8c03\u65b9\u6cd5\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u8fde\u7eed\u6ce2\u89e3\u8c03(Coherent Detection)<\/h4>\n\n\n\n<p>\u3000\u3000\u5728\u56fe\u4f20\u7535\u53f0\u4e2d\uff0c<strong>\u8fde\u7eed\u6ce2\u89e3\u8c03<\/strong>\u901a\u5e38\u7528\u4e8e\u9ad8\u6548\u4f20\u8f93\u548c\u9ad8\u5e26\u5bbd\u9700\u6c42\u573a\u666f\u3002\u5176\u6838\u5fc3\u539f\u7406\u662f\u901a\u8fc7\u7cbe\u786e\u540c\u6b65\u672c\u5730\u632f\u8361\u5668\u548c\u63a5\u6536\u4fe1\u53f7\u7684\u8f7d\u6ce2\u9891\u7387\uff0c\u5b9e\u73b0\u4fe1\u53f7\u7684\u9ad8\u6548\u89e3\u8c03\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>QPSK\u89e3\u8c03<\/strong>\uff1aQPSK\u8c03\u5236\u662f\u4e00\u79cd\u5e38\u7528\u7684\u8c03\u5236\u65b9\u5f0f\uff0c\u5b83\u4f7f\u7528\u56db\u4e2a\u4e0d\u540c\u7684\u76f8\u4f4d\u6765\u8868\u793a\u4e24\u4e2a\u6bd4\u7279\u7684\u4fe1\u606f\u3002\u5728\u63a5\u6536\u7aef\uff0c\u89e3\u8c03\u5668\u9700\u8981\u83b7\u53d6\u8f7d\u6ce2\u4fe1\u53f7\u7684\u76f8\u4f4d\uff0c\u5e76\u901a\u8fc7\u540c\u6b65\u89e3\u8c03\u6280\u672f\u6062\u590d\u4f20\u8f93\u7684\u6570\u636e\u6d41\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>16-QAM\u89e3\u8c03<\/strong>\uff1a16-QAM(16\u9636\u6b63\u4ea4\u5e45\u5ea6\u8c03\u5236)\u662f\u4e00\u79cd\u5728QPSK\u7684\u57fa\u7840\u4e0a\u8fdb\u4e00\u6b65\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u7684\u8c03\u5236\u65b9\u5f0f\u3002\u89e3\u8c0316-QAM\u4fe1\u53f7\u65f6\uff0c\u63a5\u6536\u7aef\u4e0d\u4ec5\u9700\u8981\u89e3\u6790\u8f7d\u6ce2\u7684\u76f8\u4f4d\u53d8\u5316\uff0c\u8fd8\u9700\u8981\u6b63\u786e\u8bc6\u522b\u4fe1\u53f7\u7684\u5e45\u5ea6\uff0c\u4ee5\u4fbf\u8fd8\u539f\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u540c\u6b65\u95ee\u9898<\/strong>\uff1a\u8fde\u901a\u6ce2\u89e3\u8c03\u8981\u6c42\u63a5\u6536\u7aef\u5fc5\u987b\u8fdb\u884c<strong>\u8f7d\u6ce2\u540c\u6b65<\/strong>\u548c<strong>\u7b26\u53f7\u540c\u6b65<\/strong>\u3002\u8f7d\u6ce2\u540c\u6b65\u901a\u8fc7\u5339\u914d\u672c\u5730\u632f\u8361\u5668\u9891\u7387\u6765\u8ddf\u8e2a\u4fe1\u53f7\u7684\u8f7d\u6ce2\uff0c\u800c\u7b26\u53f7\u540c\u6b65\u5219\u786e\u4fdd\u6bcf\u4e2a\u7b26\u53f7\u65f6\u9699\u7684\u7cbe\u786e\u5bf9\u9f50\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u975e\u8fde\u7eed\u6ce2\u89e3\u8c03(Non-Coherent Detection)<\/h4>\n\n\n\n<p>\u3000\u3000\u4e0e\u8fde\u7eed\u6ce2\u89e3\u8c03\u4e0d\u540c\uff0c<strong>\u975e\u8fde\u7eed\u6ce2\u89e3\u8c03<\/strong>\u4e0d\u8981\u6c42\u63a5\u6536\u7aef\u5bf9\u8f7d\u6ce2\u8fdb\u884c\u7cbe\u786e\u7684\u9891\u7387\u540c\u6b65\u3002\u5728\u63a5\u6536\u4fe1\u53f7\u65f6\uff0c\u63a5\u6536\u7aef\u5e76\u4e0d\u76f4\u63a5\u8ddf\u8e2a\u8f7d\u6ce2\u4fe1\u53f7\uff0c\u800c\u662f\u901a\u8fc7\u5206\u6790\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u7684\u5f3a\u5ea6\u3001\u76f8\u4f4d\u7b49\u4fe1\u606f\u6765\u63d0\u53d6\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>FSK\u89e3\u8c03\uff08\u9891\u79fb\u952e\u63a7\uff09<\/strong>\uff1aFSK\u89e3\u8c03\u662f\u4e00\u79cd\u5178\u578b\u7684\u975e\u8fde\u7eed\u6ce2\u89e3\u8c03\u6280\u672f\uff0c\u9002\u7528\u4e8e\u9891\u7387\u8c03\u5236(FM)\u4fe1\u53f7\u3002\u5728FSK\u89e3\u8c03\u4e2d\uff0c\u63a5\u6536\u7aef\u901a\u8fc7\u5206\u6790\u9891\u7387\u7684\u53d8\u5316\u6765\u8fd8\u539f\u4f20\u8f93\u7684\u6570\u5b57\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f18\u7f3a\u70b9<\/strong>\uff1a\u975e\u8fde\u7eed\u6ce2\u89e3\u8c03\u7684\u4e00\u4e2a\u4e3b\u8981\u4f18\u52bf\u662f\u5b83\u5bf9\u4fe1\u9053\u4e2d\u7684\u9891\u7387\u6f02\u79fb\u4e0d\u592a\u654f\u611f\uff0c\u56e0\u6b64\u5728\u67d0\u4e9b\u65e0\u7ebf\u4f20\u8f93\u6761\u4ef6\u4e0b\uff0c\u975e\u8fde\u7eed\u6ce2\u89e3\u8c03\u65b9\u6cd5\u53ef\u80fd\u66f4\u4e3a\u7a33\u5b9a\u3002\u7136\u800c\uff0c\u5b83\u7684\u89e3\u8c03\u6548\u7387\u548c\u4fe1\u53f7\u8d28\u91cf\u901a\u5e38\u8f83\u4f4e\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u566a\u58f0\u548c\u5e72\u6270\u73af\u5883\u4e2d\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u7b26\u53f7\u5e8f\u5217\u89e3\u8c03(Symbol Sequence Detection)<\/h4>\n\n\n\n<p>\u3000\u3000\u7b26\u53f7\u5e8f\u5217\u89e3\u8c03\u6280\u672f\u901a\u8fc7\u5bf9\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u8fdb\u884c\u7efc\u5408\u5206\u6790\uff0c\u4ece\u800c\u6700\u5927\u7a0b\u5ea6\u5730\u6062\u590d\u4fe1\u53f7\u7684\u6b63\u786e\u987a\u5e8f\u548c\u7b26\u53f7\u4fe1\u606f\u3002\u8be5\u6280\u672f\u5e38\u7528\u4e8e\u590d\u6742\u7684\u8c03\u5236\u65b9\u5f0f\uff0c\u5982**\u6b63\u4ea4\u9891\u5206\u590d\u7528(OFDM)**\u8c03\u5236\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>OFDM\u89e3\u8c03<\/strong>\uff1aOFDM\u901a\u8fc7\u5c06\u5bbd\u5e26\u4fe1\u53f7\u5206\u6210\u591a\u4e2a\u7a84\u5e26\u5b50\u4fe1\u9053\u8fdb\u884c\u4f20\u8f93\uff0c\u4ece\u800c\u6709\u6548\u51cf\u8f7b\u591a\u5f84\u6548\u5e94\u7684\u5f71\u54cd\u3002\u89e3\u8c03\u65f6\uff0c\u63a5\u6536\u7aef\u4f7f\u7528FFT(\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362)\u6765\u5c06\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u4ece\u9891\u57df\u8f6c\u6362\u56de\u65f6\u57df\uff0c\u63d0\u53d6\u6bcf\u4e2a\u5b50\u8f7d\u6ce2\u7684\u7b26\u53f7\u4fe1\u606f\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7b26\u53f7\u68c0\u6d4b\u6280\u672f<\/strong>\uff1aOFDM\u89e3\u8c03\u9700\u8981\u8fdb\u884c<strong>\u6700\u5c0f\u5e73\u65b9\u8bef\u5dee\uff08MMSE\uff09\u6216\u8005\u6700\u5927\u4f3c\u7136\u68c0\u6d4b<\/strong>(MLD)\u7b49\u6280\u672f\u6765\u6062\u590d\u6bcf\u4e2a\u7b26\u53f7\u7684\u6700\u53ef\u80fd\u503c\uff0c\u5e76\u5bf9\u9519\u8bef\u8fdb\u884c\u4fee\u6b63\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u30002.4 \u9891\u7387-\u65f6\u57df\u8054\u5408\u89e3\u8c03(Joint Frequency-Time Detection)<\/h4>\n\n\n\n<p>\u3000\u3000\u5728\u590d\u6742\u7684\u65e0\u7ebf\u73af\u5883\u4e2d\uff0c<strong>\u9891\u7387-\u65f6\u57df\u8054\u5408\u89e3\u8c03<\/strong>\u6280\u672f\u53ef\u4ee5\u540c\u65f6\u5904\u7406\u9891\u57df\u548c\u65f6\u57df\u7684\u4fe1\u606f\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u53ef\u4ee5\u5e94\u5bf9\u9891\u7387\u9009\u62e9\u6027\u8870\u843d\uff0c\u8fd8\u53ef\u4ee5\u6709\u6548\u6291\u5236\u65f6\u95f4\u9009\u62e9\u6027\u8870\u843d\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u591a\u5f84\u6548\u5e94\u7684\u5e94\u5bf9<\/strong>\uff1a\u8be5\u6280\u672f\u5e38\u5e38\u7ed3\u5408<strong>RAKE\u63a5\u6536\u673a<\/strong>\u548c<strong>MIMO\u6280\u672f<\/strong>\u6765\u89e3\u51b3\u591a\u5f84\u6548\u5e94\u5e26\u6765\u7684\u4fe1\u53f7\u8870\u51cf\u95ee\u9898\u3002\u901a\u8fc7\u8054\u5408\u5904\u7406\u9891\u7387\u548c\u65f6\u57df\u4fe1\u606f\uff0c\u7cfb\u7edf\u80fd\u591f\u4ece\u591a\u4e2a\u8def\u5f84\u4e2d\u9009\u62e9\u6700\u4f73\u7684\u4fe1\u53f7\uff0c\u51cf\u5c11\u8bef\u7801\u7387\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003. \u89e3\u8c03\u6280\u672f\u4e2d\u7684\u6311\u6218\u4e0e\u4f18\u5316<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u591a\u5f84\u6548\u5e94\u4e0e\u5e72\u6270<\/h4>\n\n\n\n<p>\u3000\u3000<strong>\u591a\u5f84\u6548\u5e94<\/strong>\u662f\u65e0\u7ebf\u4f20\u8f93\u4e2d\u7684\u5e38\u89c1\u95ee\u9898\uff0c\u5b83\u4f1a\u5bfc\u81f4\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u5b58\u5728\u591a\u4e2a\u4e0d\u540c\u7684\u8def\u5f84\uff0c\u5e76\u53d1\u751f\u8870\u51cf\u3001\u5ef6\u8fdf\u6216\u76f8\u4f4d\u504f\u79fb\u3002\u89e3\u8c03\u5668\u9700\u8981\u901a\u8fc7\u6280\u672f\u624b\u6bb5\u6765\u51cf\u8f7b\u8fd9\u4e00\u95ee\u9898\uff0c\u786e\u4fdd\u4fe1\u606f\u6062\u590d\u7684\u51c6\u786e\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5e72\u6270<\/strong>\uff1a\u56fe\u4f20\u7535\u53f0\u5f80\u5f80\u5de5\u4f5c\u5728\u5171\u4eab\u9891\u8c31\u73af\u5883\u4e2d\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u6765\u81ea\u5176\u4ed6\u901a\u4fe1\u8bbe\u5907\u7684\u5e72\u6270\u3002\u91c7\u7528<strong>\u9891\u8c31\u6e05\u6670\u5ea6\u68c0\u6d4b<\/strong>\u3001<strong>\u4fe1\u53f7\u6ee4\u6ce2<\/strong>\u548c<strong>\u5e72\u6270\u6d88\u9664\u6280\u672f<\/strong>(\u5982\u7a7a\u65f6\u7f16\u7801)\u53ef\u4ee5\u6709\u6548\u5e94\u5bf9\u5e72\u6270\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u4fe1\u9053\u4f30\u8ba1\u4e0e\u540c\u6b65<\/h4>\n\n\n\n<p>\u3000\u3000\u4fe1\u9053\u4f30\u8ba1\u548c\u540c\u6b65\u662f\u89e3\u8c03\u8fc7\u7a0b\u4e2d\u7684\u91cd\u8981\u6280\u672f\uff0c\u5c24\u5176\u5728<strong>\u9ad8\u901f\u6570\u636e\u4f20\u8f93<\/strong>\u548c<strong>\u9ad8\u9891\u6bb5\u901a\u4fe1<\/strong>\u4e2d\u66f4\u52a0\u91cd\u8981\u3002\u73b0\u4ee3\u89e3\u8c03\u6280\u672f\u5e38\u5e38\u7ed3\u5408<strong>\u81ea\u9002\u5e94\u4fe1\u9053\u4f30\u8ba1<\/strong>\u548c<strong>\u76f2\u540c\u6b65<\/strong>\u7b97\u6cd5\uff0c\u4ee5\u5e94\u5bf9\u52a8\u6001\u4fe1\u9053\u548c\u4e0d\u786e\u5b9a\u73af\u5883\u6761\u4ef6\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u81ea\u9002\u5e94\u6ee4\u6ce2<\/strong>\uff1a\u901a\u8fc7\u5b9e\u65f6\u8c03\u6574\u89e3\u8c03\u5668\u53c2\u6570\u6765\u5339\u914d\u4fe1\u9053\u7684\u53d8\u5316\uff0c\u4fdd\u8bc1\u4fe1\u53f7\u6062\u590d\u7684\u9ad8\u6548\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u76f2\u540c\u6b65<\/strong>\uff1a\u5728\u6ca1\u6709\u5df2\u77e5\u53c2\u8003\u4fe1\u53f7\u7684\u60c5\u51b5\u4e0b\uff0c\u7cfb\u7edf\u80fd\u591f\u901a\u8fc7\u5bf9\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u8fdb\u884c\u81ea\u5b66\u4e60\uff0c\u81ea\u52a8\u8c03\u6574\u89e3\u8c03\u53c2\u6570\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004. \u89e3\u8c03\u6280\u672f\u7684\u672a\u6765\u8d8b\u52bf<\/h3>\n\n\n\n<p>\u3000\u3000\u89e3\u8c03\u6280\u672f\u968f\u7740\u901a\u4fe1\u9700\u6c42\u7684\u4e0d\u65ad\u53d8\u5316\uff0c\u9762\u4e34\u7740\u66f4\u9ad8\u7684\u4f20\u8f93\u901f\u5ea6\u3001\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\u4ee5\u53ca\u66f4\u590d\u6742\u7684\u65e0\u7ebf\u73af\u5883\u7684\u6311\u6218\u3002\u672a\u6765\uff0c\u56fe\u4f20\u7535\u53f0\u7684\u89e3\u8c03\u6280\u672f\u5c06\u4f1a\u671d\u7740\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u5411\u53d1\u5c55\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>AI\u667a\u80fd\u89e3\u8c03<\/strong>\uff1a\u901a\u8fc7\u673a\u5668\u5b66\u4e60\u548c\u4eba\u5de5\u667a\u80fd\u6280\u672f\uff0c\u89e3\u8c03\u8fc7\u7a0b\u5c06\u66f4\u52a0\u667a\u80fd\u5316\uff0c\u80fd\u591f\u5b9e\u65f6\u5206\u6790\u4fe1\u9053\u6761\u4ef6\u548c\u5e72\u6270\u73af\u5883\uff0c\u52a8\u6001\u8c03\u6574\u89e3\u8c03\u53c2\u6570\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u91cf\u5b50\u89e3\u8c03<\/strong>\uff1a\u91cf\u5b50\u901a\u4fe1\u6280\u672f\u7684\u53d1\u5c55\u53ef\u80fd\u4f1a\u5e26\u6765\u7a81\u7834\u6027\u7684\u89e3\u8c03\u65b9\u6cd5\uff0c\u5c24\u5176\u662f\u5728\u6297\u5e72\u6270\u548c\u4f20\u8f93\u901f\u5ea6\u65b9\u9762\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u56fe\u4f20\u7535\u53f0\u7684\u89e3\u8c03\u6280\u672f\u662f\u5b9e\u73b0\u9ad8\u6548\u3001\u6e05\u6670\u89c6\u9891\u4f20\u8f93\u7684\u5173\u952e\u3002\u901a\u8fc7\u7cbe\u786e\u7684\u4fe1\u53f7\u89e3\u8c03\uff0c\u6211\u4eec\u80fd\u591f\u4ece\u590d\u6742\u7684\u65e0\u7ebf\u7535\u6ce2\u4e2d\u6062\u590d\u51fa\u6e05\u6670\u7684\u89c6\u9891\u56fe\u50cf\u3002\u7136\u800c\uff0c\u968f\u7740\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7684\u53d1\u5c55\uff0c\u89e3\u8c03\u6280\u672f\u9700\u8981\u4e0d\u65ad\u4f18\u5316\uff0c\u4ee5\u9002\u5e94\u66f4\u590d\u6742\u7684\u4f20\u64ad\u73af\u5883\u548c\u66f4\u9ad8\u7684\u4f20\u8f93\u9700\u6c42\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001\u56fe\u4f20\u7535\u53f0\u7684\u5de5\u4f5c\u6d41\u7a0b<\/h2>\n\n\n\n<p>\u3000\u3000\u56fe\u4f20\u7535\u53f0\u7684\u5de5\u4f5c\u6d41\u7a0b\u662f\u5c06\u89c6\u89c9\u6216\u89c6\u9891\u4fe1\u53f7\u901a\u8fc7\u65e0\u7ebf\u7535\u6ce2\u8fdb\u884c\u4f20\u8f93\u7684\u5168\u8fc7\u7a0b\u3002\u4ece\u4fe1\u53f7\u7684\u91c7\u96c6\u3001\u5904\u7406\u3001\u8c03\u5236\uff0c\u5230\u6700\u7ec8\u7684\u53d1\u9001\uff0c\u518d\u5230\u63a5\u6536\u7aef\u7684\u89e3\u8c03\u3001\u5904\u7406\u548c\u663e\u793a\uff0c\u6574\u4e2a\u6d41\u7a0b\u73af\u73af\u76f8\u6263\uff0c\u6bcf\u4e2a\u73af\u8282\u90fd\u9700\u8981\u9ad8\u6548\u8fd0\u4f5c\u624d\u80fd\u786e\u4fdd\u56fe\u50cf\u4fe1\u606f\u7684\u51c6\u786e\u4f20\u9012\u3002\u56fe\u4f20\u7535\u53f0\u7684\u5de5\u4f5c\u6d41\u7a0b\u4e0d\u4ec5\u8981\u6c42\u6280\u672f\u7684\u9ad8\u6548\u6027\uff0c\u8fd8\u8981\u6c42\u5728\u5404\u79cd\u73af\u5883\u4e0b\u90fd\u80fd\u7a33\u5b9a\u3001\u53ef\u9760\u5730\u5de5\u4f5c\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7406\u89e3\u56fe\u4f20\u7535\u53f0\u7684\u5de5\u4f5c\u6d41\u7a0b\u6709\u52a9\u4e8e\u4f18\u5316\u4fe1\u53f7\u4f20\u8f93\u3001\u63d0\u9ad8\u4f20\u8f93\u8d28\u91cf\uff0c\u5e76\u4e3a\u672a\u6765\u7684\u6280\u672f\u5347\u7ea7\u63d0\u4f9b\u65b9\u5411\u3002\u4ee5\u4e0b\u662f\u56fe\u4f20\u7535\u53f0\u7684\u8be6\u7ec6\u5de5\u4f5c\u6d41\u7a0b\u5206\u6790\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u56fe\u4f20\u7535\u53f0\u7684\u4fe1\u53f7\u91c7\u96c6<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u89c6\u9891\u4fe1\u53f7\u91c7\u96c6<\/h4>\n\n\n\n<p>\u3000\u3000\u56fe\u4f20\u7535\u53f0\u7684\u5de5\u4f5c\u901a\u5e38\u4ece\u89c6\u9891\u4fe1\u53f7\u7684\u91c7\u96c6\u5f00\u59cb\u3002\u89c6\u9891\u4fe1\u53f7\u53ef\u4ee5\u6765\u81ea\u5404\u79cd\u6e90\uff0c\u5305\u62ec\u6444\u50cf\u5934\u3001\u76d1\u63a7\u8bbe\u5907\u3001\u65e0\u4eba\u673a\u3001\u536b\u661f\u7b49\u3002\u65e0\u8bba\u662f\u4ec0\u4e48\u6765\u6e90\uff0c\u89c6\u9891\u4fe1\u53f7\u5728\u4f20\u8f93\u524d\u5fc5\u987b\u8fdb\u884c\u9884\u5904\u7406\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u89c6\u9891\u6e90<\/strong>\uff1a\u4e00\u822c\u4f7f\u7528\u6a21\u62df\u6444\u50cf\u5934\u3001\u6570\u5b57\u6444\u50cf\u5934\u6216\u8005\u5176\u4ed6\u89c6\u9891\u91c7\u96c6\u8bbe\u5907\u3002\u91c7\u96c6\u7684\u4fe1\u53f7\u53ef\u80fd\u662f\u6a21\u62df\u4fe1\u53f7(\u5982\u590d\u5408\u89c6\u9891\u4fe1\u53f7\uff0cCVBS)\u6216\u6570\u5b57\u4fe1\u53f7(\u5982HDMI\u3001SDI\u3001IP\u6d41)\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4fe1\u53f7\u8f6c\u6362<\/strong>\uff1a\u82e5\u4fe1\u53f7\u4e3a\u6a21\u62df\u4fe1\u53f7\uff0c\u901a\u5e38\u9700\u8981\u8fdb\u884c\u6a21\u62df\u5230\u6570\u5b57\u7684\u8f6c\u6362\u3002\u5bf9\u4e8e\u6570\u5b57\u4fe1\u53f7\uff0c\u53ef\u80fd\u9700\u8981\u8fdb\u884c\u683c\u5f0f\u8f6c\u6362\uff0c\u786e\u4fdd\u89c6\u9891\u6d41\u7b26\u5408\u7535\u53f0\u7684\u7f16\u7801\u548c\u8c03\u5236\u6807\u51c6\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u4fe1\u53f7\u9884\u5904\u7406<\/h4>\n\n\n\n<p>\u3000\u3000\u89c6\u9891\u4fe1\u53f7\u5728\u91c7\u96c6\u540e\u901a\u5e38\u9700\u8981\u8fdb\u884c\u4e00\u4e9b\u9884\u5904\u7406\uff0c\u4ee5\u786e\u4fdd\u4fe1\u53f7\u7684\u8d28\u91cf\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u53bb\u566a<\/strong>\uff1a\u53bb\u9664\u4fe1\u53f7\u4e2d\u7684\u566a\u58f0\u6210\u5206\uff0c\u4ee5\u63d0\u9ad8\u4f20\u8f93\u7684\u6e05\u6670\u5ea6\u548c\u8d28\u91cf\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u538b\u7f29<\/strong>\uff1a\u4e3a\u4e86\u51cf\u5c11\u4f20\u8f93\u5e26\u5bbd\u7684\u9700\u6c42\uff0c\u4fe1\u53f7\u901a\u5e38\u4f1a\u7ecf\u8fc7\u538b\u7f29\u5904\u7406\u3002\u5e38\u89c1\u7684\u89c6\u9891\u538b\u7f29\u6807\u51c6\u5982H.264\u3001H.265\u7b49\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7f16\u7801<\/strong>\uff1a\u6570\u5b57\u89c6\u9891\u4fe1\u53f7\u5728\u4f20\u8f93\u4e4b\u524d\u9700\u8981\u7f16\u7801\u3002\u7f16\u7801\u65b9\u5f0f(\u5982MPEG-2\u3001H.264)\u51b3\u5b9a\u4e86\u538b\u7f29\u7387\u3001\u56fe\u50cf\u8d28\u91cf\u548c\u4f20\u8f93\u6548\u7387\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u8c03\u5236\u4e0e\u4fe1\u53f7\u5904\u7406<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u8c03\u5236\u6280\u672f<\/h4>\n\n\n\n<p>\u3000\u3000\u4e00\u65e6\u89c6\u9891\u4fe1\u53f7\u5b8c\u6210\u91c7\u96c6\u548c\u9884\u5904\u7406\uff0c\u63a5\u4e0b\u6765\u9700\u8981\u5c06\u5176\u8c03\u5236\u6210\u9002\u5408\u65e0\u7ebf\u4f20\u8f93\u7684\u5f62\u5f0f\u3002\u8c03\u5236\u8fc7\u7a0b\u5c06\u4fe1\u53f7\u8f6c\u5316\u4e3a\u9002\u5408\u901a\u8fc7\u5c04\u9891\u4fe1\u9053\u4f20\u8f93\u7684\u8f7d\u6ce2\u4fe1\u53f7\u3002\u56fe\u4f20\u7535\u53f0\u5e38\u89c1\u7684\u8c03\u5236\u6280\u672f\u6709\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>QPSK\uff08\u56db\u76f8\u4f4d\u79fb\u952e\u63a7\uff09<\/strong>\uff1a\u5e38\u7528\u4e8e\u56fe\u4f20\u7535\u53f0\u4e2d\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u5728\u6709\u9650\u5e26\u5bbd\u5185\u9ad8\u6548\u5730\u4f20\u8f93\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>16-QAM\uff0816\u9636\u6b63\u4ea4\u5e45\u5ea6\u8c03\u5236\uff09<\/strong>\uff1a\u5728\u9700\u8981\u66f4\u9ad8\u6570\u636e\u901f\u7387\u65f6\u91c7\u7528\uff0c\u5229\u7528\u591a\u4e2a\u4e0d\u540c\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d\u7ec4\u5408\u6765\u589e\u52a0\u6bcf\u4e2a\u7b26\u53f7\u6240\u627f\u8f7d\u7684\u4fe1\u606f\u91cf\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>OFDM\uff08\u6b63\u4ea4\u9891\u5206\u590d\u7528\uff09<\/strong>\uff1a\u5728\u590d\u6742\u7684\u65e0\u7ebf\u73af\u5883\u4e2d(\u5982\u591a\u5f84\u4f20\u64ad)\u8f83\u4e3a\u5e38\u89c1\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u5e72\u6270\u548c\u8870\u51cf\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u4fe1\u53f7\u589e\u5f3a<\/h4>\n\n\n\n<p>\u3000\u3000\u5728\u8c03\u5236\u8fc7\u7a0b\u4e2d\uff0c\u4fe1\u53f7\u53ef\u80fd\u4f1a\u53d7\u5230\u4e00\u5b9a\u7684\u8870\u51cf\u548c\u5e72\u6270\uff0c\u56e0\u6b64\u9700\u8981\u901a\u8fc7\u4fe1\u53f7\u589e\u5f3a\u6280\u672f\u6765\u4f18\u5316\u4f20\u8f93\u8d28\u91cf\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u529f\u7387\u653e\u5927<\/strong>\uff1a\u4e3a\u4e86\u786e\u4fdd\u4fe1\u53f7\u80fd\u591f\u8986\u76d6\u66f4\u5927\u7684\u4f20\u8f93\u8303\u56f4\uff0c\u9700\u8981\u4f7f\u7528\u529f\u7387\u653e\u5927\u5668\u5bf9\u4fe1\u53f7\u8fdb\u884c\u589e\u5f3a\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9891\u7387\u9009\u62e9\u6027\u8c03\u5236<\/strong>\uff1a\u901a\u8fc7\u5728\u591a\u4e2a\u9891\u7387\u4e0a\u8fdb\u884c\u4fe1\u53f7\u8c03\u5236\uff0c\u63d0\u9ad8\u4f20\u8f93\u7684\u7a33\u5b9a\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u8c03\u5236\u4e0e\u7f16\u7801\u7684\u534f\u540c\u5de5\u4f5c<\/h4>\n\n\n\n<p>\u3000\u3000\u8c03\u5236\u548c\u7f16\u7801\u5e76\u975e\u72ec\u7acb\u5de5\u4f5c\uff0c\u5b83\u4eec\u9700\u8981\u534f\u8c03\u8fd0\u4f5c\u4ee5\u6700\u5927\u5316\u4fe1\u53f7\u4f20\u8f93\u7684\u6548\u7387\u548c\u9c81\u68d2\u6027\u3002\u4f8b\u5982\uff0c\u5728\u4f20\u8f93\u9ad8\u8d28\u91cf\u56fe\u50cf\u65f6\uff0c\u7f16\u7801\u6280\u672f\u51b3\u5b9a\u4e86\u56fe\u50cf\u7684\u538b\u7f29\u548c\u8d28\u91cf\uff0c\u800c\u8c03\u5236\u6280\u672f\u5219\u5f71\u54cd\u5982\u4f55\u9ad8\u6548\u5730\u4f20\u8f93\u8fd9\u4e9b\u538b\u7f29\u540e\u7684\u56fe\u50cf\u6570\u636e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003. \u65e0\u7ebf\u4fe1\u53f7\u7684\u53d1\u9001\u4e0e\u4f20\u64ad<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u5c04\u9891\u4fe1\u53f7\u7684\u53d1\u9001<\/h4>\n\n\n\n<p>\u3000\u3000\u8c03\u5236\u540e\u7684\u4fe1\u53f7\u901a\u8fc7\u65e0\u7ebf\u5c04\u9891(RF)\u4fe1\u9053\u4f20\u8f93\u3002\u56fe\u4f20\u7535\u53f0\u4f7f\u7528\u7684\u65e0\u7ebf\u9891\u7387\u901a\u5e38\u662f\u5728<strong>\u8d85\u9ad8\u9891\uff08UHF\uff09\u6216\u5fae\u6ce2\u9891\u6bb5\uff08GHz\u8303\u56f4\uff09<\/strong>\uff0c\u8fd9\u4e9b\u9891\u6bb5\u9002\u5408\u8fdb\u884c\u56fe\u50cf\u548c\u89c6\u9891\u6570\u636e\u7684\u9ad8\u901f\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u53d1\u9001\u5668<\/strong>\uff1a\u56fe\u4f20\u7535\u53f0\u7684\u53d1\u5c04\u5668\u5c06\u8c03\u5236\u540e\u7684\u4fe1\u53f7\u8f6c\u6362\u6210\u5c04\u9891\u4fe1\u53f7\uff0c\u5e76\u901a\u8fc7\u5929\u7ebf\u53d1\u5c04\u5230\u7a7a\u4e2d\u3002\u5c04\u9891\u4fe1\u53f7\u5177\u6709\u8f83\u5f3a\u7684\u7a7f\u900f\u529b\u548c\u8f83\u957f\u7684\u4f20\u64ad\u8ddd\u79bb\uff0c\u4f46\u4e5f\u4f1a\u53d7\u5230\u5929\u6c14\u3001\u969c\u788d\u7269\u548c\u5176\u4ed6\u5e72\u6270\u56e0\u7d20\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5929\u7ebf\u8bbe\u8ba1<\/strong>\uff1a\u5929\u7ebf\u7684\u8bbe\u8ba1\u51b3\u5b9a\u4e86\u4fe1\u53f7\u7684\u8986\u76d6\u8303\u56f4\u548c\u65b9\u5411\u6027\u3002\u5e38\u89c1\u7684\u5929\u7ebf\u7c7b\u578b\u5305\u62ec\u5b9a\u5411\u5929\u7ebf\u548c\u5168\u5411\u5929\u7ebf\uff0c\u524d\u8005\u7528\u4e8e\u957f\u8ddd\u79bb\u4f20\u8f93\uff0c\u800c\u540e\u8005\u5219\u7528\u4e8e\u8986\u76d6\u66f4\u5e7f\u6cdb\u7684\u533a\u57df\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u65e0\u7ebf\u4fe1\u53f7\u7684\u4f20\u64ad<\/h4>\n\n\n\n<p>\u3000\u3000\u5c04\u9891\u4fe1\u53f7\u5728\u7a7a\u95f4\u4e2d\u4f20\u64ad\u65f6\uff0c\u53d7\u5230\u5404\u79cd\u7269\u7406\u73b0\u8c61\u7684\u5f71\u54cd\uff0c\u7279\u522b\u662f<strong>\u591a\u5f84\u6548\u5e94<\/strong>\u3001<strong>\u8870\u51cf<\/strong>\u548c<strong>\u5e72\u6270<\/strong>\u7b49\u56e0\u7d20\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u591a\u5f84\u6548\u5e94<\/strong>\uff1a\u4fe1\u53f7\u901a\u8fc7\u591a\u4e2a\u8def\u5f84\u5230\u8fbe\u63a5\u6536\u7aef\uff0c\u53ef\u80fd\u4f1a\u56e0\u4e3a\u4e0d\u540c\u8def\u5f84\u7684\u4f20\u64ad\u5ef6\u8fdf\u800c\u9020\u6210\u4fe1\u53f7\u8870\u51cf\u548c\u5931\u771f\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u8870\u51cf<\/strong>\uff1a\u4fe1\u53f7\u7684\u5f3a\u5ea6\u968f\u7740\u4f20\u64ad\u8ddd\u79bb\u7684\u589e\u52a0\u800c\u51cf\u5f31\u3002\u5929\u6c14\u3001\u5efa\u7b51\u7269\u3001\u5730\u5f62\u7b49\u56e0\u7d20\u90fd\u4f1a\u5bfc\u81f4\u4fe1\u53f7\u7684\u8870\u51cf\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5e72\u6270<\/strong>\uff1a\u56fe\u4f20\u7535\u53f0\u7684\u4fe1\u53f7\u53ef\u80fd\u4f1a\u53d7\u5230\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u7684\u5e72\u6270\uff0c\u5f71\u54cd\u4fe1\u53f7\u7684\u8d28\u91cf\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004. \u63a5\u6536\u4e0e\u89e3\u8c03<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000\u4fe1\u53f7\u63a5\u6536<\/h4>\n\n\n\n<p>\u3000\u3000\u63a5\u6536\u7aef\u901a\u8fc7\u5929\u7ebf\u63a5\u6536\u5230\u4ece\u53d1\u5c04\u7aef\u4f20\u6765\u7684\u5c04\u9891\u4fe1\u53f7\u3002\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u53ef\u80fd\u4f1a\u56e0\u4e3a\u591a\u5f84\u6548\u5e94\u3001\u8870\u51cf\u548c\u5e72\u6270\u7b49\u56e0\u7d20\u800c\u51fa\u73b0\u5931\u771f\uff0c\u56e0\u6b64\u9700\u8981\u901a\u8fc7\u4e00\u7cfb\u5217\u7684\u5904\u7406\u6b65\u9aa4\u6765\u6062\u590d\u539f\u59cb\u89c6\u9891\u4fe1\u53f7\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u63a5\u6536\u5668<\/strong>\uff1a\u63a5\u6536\u5668\u5c06\u5c04\u9891\u4fe1\u53f7\u8f6c\u5316\u4e3a\u57fa\u5e26\u4fe1\u53f7\uff0c\u7136\u540e\u901a\u8fc7\u89e3\u8c03\u5668\u5bf9\u4fe1\u53f7\u8fdb\u884c\u89e3\u8c03\uff0c\u6062\u590d\u51fa\u8c03\u5236\u524d\u7684\u4fe1\u53f7\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4fe1\u53f7\u653e\u5927<\/strong>\uff1a\u63a5\u6536\u5668\u901a\u5e38\u5305\u62ec\u4f4e\u566a\u58f0\u653e\u5927\u5668\uff0c\u7528\u4e8e\u63d0\u9ad8\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u7684\u8d28\u91cf\u3002<\/p>\n\n\n\n<h4 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