{"id":97393,"date":"2024-09-02T15:18:11","date_gmt":"2024-09-02T07:18:11","guid":{"rendered":"\/\/www.viralrail.com\/?p=97393"},"modified":"2024-09-02T15:18:14","modified_gmt":"2024-09-02T07:18:14","slug":"wxtcgzyl","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/97393.html","title":{"rendered":"\u65e0\u7ebf\u56fe\u4f20\u5de5\u4f5c\u539f\u7406"},"content":{"rendered":"\n<p>\u3000\u3000<strong>\u65e0\u7ebf\u56fe\u4f20(Wireless Video Transmission)<\/strong>\u662f\u4e00\u79cd\u5229\u7528\u65e0\u7ebf\u7535\u6ce2\u4f20\u8f93\u9ad8\u6e05\u56fe\u50cf\u6570\u636e\u7684\u6280\u672f\uff0c\u5176\u5de5\u4f5c\u539f\u7406\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u56fe\u50cf\u91c7\u96c6<\/strong>\uff1a\u9996\u5148\uff0c\u6444\u50cf\u673a\u6216\u5f55\u97f3\u673a\u7b49\u8bbe\u5907\u91c7\u96c6\u56fe\u50cf\u6570\u636e\u3002\u8fd9\u4e9b\u6570\u636e\u901a\u5e38\u4ee5\u6a21\u62df\u4fe1\u53f7\u7684\u5f62\u5f0f\u5b58\u5728\uff0c\u9700\u8981\u901a\u8fc7\u6a21\u6570\u8f6c\u6362\u5668(ADC)\u8f6c\u6362\u6210\u6570\u5b57\u4fe1\u53f7\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4fe1\u53f7\u5904\u7406<\/strong>\uff1a\u6570\u5b57\u4fe1\u53f7\u7ecf\u8fc7\u4e00\u7cfb\u5217\u7684\u5904\u7406\uff0c\u5305\u62ec\u538b\u7f29\u548c\u7f16\u7801\u3002\u538b\u7f29\u662f\u4e3a\u4e86\u964d\u4f4e\u6570\u636e\u91cf\uff0c\u51cf\u5c11\u4f20\u8f93\u6240\u9700\u7684\u5e26\u5bbd\u548c\u5b58\u50a8\u7a7a\u95f4\uff0c\u800c\u7f16\u7801\u5219\u662f\u4e3a\u4e86\u63d0\u9ad8\u4f20\u8f93\u6548\u7387\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8c03\u5236<\/strong>\uff1a\u5904\u7406\u540e\u7684\u6570\u5b57\u4fe1\u53f7\u901a\u8fc7\u8c03\u5236\u5668\u8fdb\u884c\u8c03\u5236\u3002\u8c03\u5236\u662f\u5c06\u6570\u5b57\u4fe1\u53f7\u8f6c\u6362\u6210\u9002\u5408\u65e0\u7ebf\u4f20\u8f93\u7684\u4fe1\u53f7\u5f62\u5f0f\u3002\u5e38\u89c1\u7684\u8c03\u5236\u6280\u672f\u5305\u62ec\u6b63\u4ea4\u9891\u5206\u590d\u7528(OFDM)\u548c\u8c03\u5e45(AM)\u7b49\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u65e0\u7ebf\u4f20\u8f93<\/strong>\uff1a\u8c03\u5236\u540e\u7684\u4fe1\u53f7\u901a\u8fc7\u5929\u7ebf\u53d1\u5c04\u5230\u7a7a\u4e2d\u3002\u5929\u7ebf\u7684\u4f5c\u7528\u662f\u5c06\u7535\u78c1\u6ce2\u8f90\u5c04\u51fa\u53bb\uff0c\u4ece\u800c\u5b9e\u73b0\u65e0\u7ebf\u4f20\u8f93\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u63a5\u6536\u4e0e\u89e3\u8c03<\/strong>\uff1a\u63a5\u6536\u7aef\u7684\u5929\u7ebf\u63a5\u6536\u5230\u7535\u78c1\u6ce2\u4fe1\u53f7\u540e\uff0c\u901a\u8fc7\u89e3\u8c03\u5668\u5c06\u5176\u8fd8\u539f\u4e3a\u6570\u5b57\u4fe1\u53f7\u3002\u89e3\u8c03\u662f\u5c06\u65e0\u7ebf\u4fe1\u53f7\u8f6c\u6362\u56de\u539f\u59cb\u7684\u6570\u5b57\u4fe1\u53f7\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u56fe\u50cf\u91cd\u5efa<\/strong>\uff1a\u89e3\u8c03\u540e\u7684\u6570\u5b57\u4fe1\u53f7\u7ecf\u8fc7\u89e3\u7801\u548c\u89e3\u538b\u7f29\u5904\u7406\uff0c\u6062\u590d\u6210\u539f\u59cb\u7684\u56fe\u50cf\u6570\u636e\u3002\u8fd9\u4e9b\u6570\u636e\u6700\u7ec8\u88ab\u663e\u793a\u5728\u63a5\u6536\u8bbe\u5907\u4e0a\uff0c\u5982\u76d1\u89c6\u5668\u6216\u663e\u793a\u5668\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<strong>\u65e0\u7ebf\u56fe\u4f20\u7cfb\u7edf\u53ef\u4ee5\u91c7\u7528\u591a\u79cd\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0c\u5982WiFi\u3001LTE\u3001OFDM\u548cMIMO\u7b49\u3002\u5176\u4e2d\uff0cOFDM\u6280\u672f\u56e0\u5176\u9ad8\u6548\u7387\u548c\u6297\u5e72\u6270\u80fd\u529b\u800c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u590d\u6742\u65e0\u7ebf\u901a\u4fe1\u73af\u5883\u4e2d\u3002<\/strong>\u6b64\u5916\uff0cCOFDM\u6280\u672f(\u6b63\u4ea4\u9891\u5206\u590d\u7528)\u4e5f\u8868\u73b0\u51fa\u5353\u8d8a\u7684\u201c\u7ed5\u5c04\u201d\u548c\u201c\u7a7f\u900f\u201d\u80fd\u529b\uff0c\u80fd\u591f\u6ee1\u8db3\u5927\u901f\u7387\u3001\u4f4e\u65f6\u5ef6\u548c\u9ad8\u53ef\u9760\u6027\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u65e0\u7ebf\u56fe\u4f20\u7cfb\u7edf\u901a\u8fc7\u5c06\u56fe\u50cf\u6570\u636e\u91c7\u96c6\u3001\u5904\u7406\u3001\u8c03\u5236\u3001\u65e0\u7ebf\u4f20\u8f93\u3001\u63a5\u6536\u548c\u89e3\u8c03\u7b49\u4e00\u7cfb\u5217\u6b65\u9aa4\uff0c\u5b9e\u73b0\u4e86\u9ad8\u6e05\u56fe\u50cf\u7684\u5b9e\u65f6\u4f20\u8f93\u3002\u8fd9\u4e00\u8fc7\u7a0b\u4e0d\u4ec5\u4f9d\u8d56\u4e8e\u9ad8\u6548\u7684\u4fe1\u53f7\u5904\u7406\u6280\u672f\uff0c\u8fd8\u9700\u8981\u5f3a\u5927\u7684\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u652f\u6301\uff0c\u4ee5\u786e\u4fdd\u4f20\u8f93\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 \u65e0\u7ebf\u56fe\u4f20\u4e2d\u6a21\u6570\u8f6c\u6362\u5668(ADC)\u7684\u6700\u65b0\u6280\u672f\u8fdb\u5c55<\/h2>\n\n\n\n<p>\u3000\u3000\u65e0\u7ebf\u56fe\u4f20\u4e2d\u6a21\u6570\u8f6c\u6362\u5668(ADC)\u7684\u6700\u65b0\u6280\u672f\u8fdb\u5c55\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u9ad8\u7cbe\u5ea6\u548c\u9ad8\u91c7\u6837\u7387<\/strong>\uff1a\u57285G\u5e94\u7528\u9886\u57df\uff0cADC\u7684\u8bbe\u8ba1\u548c\u5c01\u88c5\u6280\u672f\u5f97\u5230\u4e86\u663e\u8457\u63d0\u5347\u3002\u4f8b\u5982\uff0c\u67d05G\u6beb\u7c73\u6ce2\u6a21\u7ec4\u5173\u952e\u6280\u672f\u7814\u53d1\u9879\u76ee\u4e2d\uff0cADC\u7684\u7cbe\u5ea6\u8fbe\u5230\u4e8614\u4f4d\uff0c\u6700\u9ad8\u91c7\u6837\u7387\u8fbe\u5230\u4e863GS\/s\uff0c\u9002\u7528\u4e8eSub-6G\u548c\u6beb\u7c73\u6ce2\u9891\u5e26\u8303\u56f4\u76845G\u6536\u53d1\u673a\u3002\u6b64\u5916\uff0cADC\u7684\u6700\u9ad8\u5e26\u5bbd\u4e5f\u8fbe\u5230\u4e864GHz\uff0c\u6ee1\u8db3\u4e86\u65e0\u6742\u6563\u52a8\u6001\u8303\u56f470dB\u3001\u566a\u58f0\u9891\u8c31\u5bc6\u5ea6-150dBFS\/Hz\u7b49\u6280\u672f\u6307\u6807\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u591a\u901a\u9053\u548c\u9ad8\u5206\u8fa8\u7387<\/strong>\uff1a\u4e00\u4e9b\u73b0\u4ee3ADC\u6a21\u5757\u96c6\u6210\u4e86\u591a\u901a\u9053\u8f93\u5165\u548c\u9ad8\u5206\u8fa8\u7387\u3002\u4f8b\u5982\uff0cTMS320F2812\u5185\u90e8\u96c6\u6210\u4e86\u4e00\u4e2a12\u4f4d\u3001\u5177\u6709\u6d41\u6c34\u7ebf\u7ed3\u6784\u7684ADC\u6a21\u5757\uff0c\u5185\u7f6e\u53cc\u91c7\u6837\u4fdd\u6301\u5668(S\/H)\uff0c\u53ef\u591a\u8def\u9009\u62e916\u901a\u9053\u8f93\u5165\uff0c\u5feb\u901f\u8f6c\u6362\u65f6\u95f4\u8fd0\u884c\u572825MHz\u3001ADC\u65f6\u949f\u621612.5Msps\u3002\u6b64\u5916\uff0cSPD1188\u5185\u7f6e\u768414\u4f4d\u6a21\u6570\u8f6c\u6362\u5668\u652f\u6301\u591a\u8fbe8\u901a\u9053\u7684\u8f93\u5165\uff0c\u5e76\u4e14\u5177\u6709\u72ec\u7acb\u7684\u91c7\u6837\u4fdd\u6301\u7535\u8def\uff0c\u9002\u7528\u4e8e\u5dee\u5206\u91c7\u6837\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f4e\u529f\u8017\u548c\u4f4e\u5ef6\u8fdf<\/strong>\uff1a\u5728\u7269\u8054\u7f51\u548c\u5de5\u4e1a\u5e94\u7528\u4e2d\uff0c\u4f4e\u529f\u8017\u548c\u4f4e\u5ef6\u8fdf\u7684ADC\u6280\u672f\u4e5f\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002\u4f8b\u5982\uff0cnRF52832\u4ea7\u54c1\u89c4\u683c\u4e66\u4e2d\u8be6\u7ec6\u63cf\u8ff0\u4e86ADC\u7684\u91c7\u6837\u548c\u8f6c\u6362\u8fc7\u7a0b\uff0c\u5f3a\u8c03\u4e86\u5176\u4f4e\u529f\u8017\u548c\u9ad8\u6548\u7387\u7684\u7279\u70b9\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9ad8\u9891\u548c\u5bbd\u5e26\u80fd\u529b<\/strong>\uff1a\u5728\u9ad8\u9891\u548c\u5bbd\u5e26\u5e94\u7528\u4e2d\uff0cADC\u6280\u672f\u4e5f\u5728\u4e0d\u65ad\u8fdb\u6b65\u3002\u4f8b\u5982\uff0c\u6cd5\u56fd\u683c\u52d2\u8bfa\u5e03\u5c14\u7684Teledyne e2v\u516c\u53f8\u5229\u7528\u5176\u5728\u5fae\u6ce2\u5de5\u7a0b\u65b9\u9762\u7684\u4e30\u5bcc\u7ecf\u9a8c\uff0c\u63a8\u8fdb\u4e86\u524d\u7aef\u65e0\u7ebf\u7535\u80fd\u529b\u7684\u53d1\u5c55\uff0c\u4ee5\u652f\u6301\u4e0d\u65ad\u589e\u957f\u7684\u6570\u636e\u541e\u5410\u91cf\u548c\u7cfb\u7edf\u6027\u80fd\u7684\u8981\u6c42\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u65e0\u7ebf\u56fe\u4f20\u4e2d\u6a21\u6570\u8f6c\u6362\u5668(ADC)\u7684\u6700\u65b0\u6280\u672f\u8fdb\u5c55\u4e3b\u8981\u96c6\u4e2d\u5728\u9ad8\u7cbe\u5ea6\u3001\u9ad8\u91c7\u6837\u7387\u3001\u591a\u901a\u9053\u3001\u4f4e\u529f\u8017\u3001\u4f4e\u5ef6\u8fdf\u4ee5\u53ca\u9ad8\u9891\u548c\u5bbd\u5e26\u80fd\u529b\u7b49\u65b9\u9762\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 \u5728\u65e0\u7ebf\u56fe\u4f20\u7cfb\u7edf\u4e2d\uff0c\u54ea\u4e9b\u6700\u65b0\u7684\u4fe1\u53f7\u538b\u7f29\u548c\u7f16\u7801\u6280\u672f\u88ab\u5e94\u7528\u4ee5\u63d0\u9ad8\u4f20\u8f93\u6548\u7387?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u65e0\u7ebf\u56fe\u4f20\u7cfb\u7edf\u4e2d\uff0c\u4e3a\u4e86\u63d0\u9ad8\u4f20\u8f93\u6548\u7387\uff0c\u6700\u65b0\u7684\u4fe1\u53f7\u538b\u7f29\u548c\u7f16\u7801\u6280\u672f\u88ab\u5e7f\u6cdb\u5e94\u7528\u3002\u8fd9\u4e9b\u6280\u672f\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>SPIHT-MHE\u7b97\u6cd5<\/strong>\uff1a\u8be5\u7b97\u6cd5\u7ed3\u5408\u4e86\u79bb\u6563\u5c0f\u6ce2\u53d8\u6362(DWT)\u548c\u4f18\u5316\u7684\u970d\u592b\u66fc\u7f16\u7801(MHE)\uff0c\u901a\u8fc7\u4e24\u9636\u6bb5\u538b\u7f29\u6a21\u578b\u6765\u63d0\u9ad8\u56fe\u50cf\u6570\u636e\u7684\u538b\u7f29\u6027\u80fd\u3002\u5728\u7b2c\u4e00\u9636\u6bb5\uff0c\u4f7f\u7528\u57fa\u4e8e\u6df7\u5408\u9057\u4f20\u7b97\u6cd5\u548c\u5f15\u529b\u641c\u7d22\u7b97\u6cd5\u7684DWT\u5bf9\u8f93\u5165\u56fe\u50cf\u8fdb\u884c\u53d8\u6362;\u5728\u7b2c\u4e8c\u9636\u6bb5\uff0c\u4f7f\u7528SPIHT\u7b97\u6cd5\u8fdb\u884c\u538b\u7f29\uff0c\u7136\u540e\u901a\u8fc7MHE\u7b97\u6cd5\u8fdb\u884c\u7b2c\u4e8c\u7ea7\u538b\u7f29\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u57fa\u4e8e\u6df1\u5ea6\u5b66\u4e60\u7684\u8054\u5408\u6e90\u901a\u9053\u7f16\u7801\uff08DeepJSCC\uff09<\/strong>&nbsp;\uff1a\u8fd9\u79cd\u6280\u672f\u5728\u4f4e\u4fe1\u566a\u6bd4(SNR)\u73af\u5883\u4e0b\u8868\u73b0\u51fa\u8272\uff0c\u80fd\u591f\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u538b\u7f29\u548c\u6297\u566a\u6027\u80fd\u3002DeepJSCC\u901a\u8fc7\u6df1\u5ea6\u5b66\u4e60\u6a21\u578b\u5bf9\u56fe\u50cf\u8fdb\u884c\u8054\u5408\u6e90\u548c\u4fe1\u9053\u7f16\u7801\uff0c\u4ece\u800c\u63d0\u9ad8\u65e0\u7ebf\u56fe\u50cf\u4f20\u8f93\u7684\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>JPEG2000\u548cSPIHT<\/strong>\uff1aJPEG2000\u6807\u51c6\u4f7f\u7528\u79bb\u6563\u5c0f\u6ce2\u53d8\u6362(DWT)\u8fdb\u884c\u56fe\u50cf\u538b\u7f29\uff0c\u800cSPIHT(Set Partitioning in Hierarchical Trees)\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u56fe\u50cf\u538b\u7f29\u7b97\u6cd5\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8eJPEG2000\u6807\u51c6\u4e2d\u3002\u8fd9\u4e9b\u6280\u672f\u80fd\u591f\u5b9e\u73b0\u9ad8\u538b\u7f29\u6bd4\u548c\u4f20\u8f93\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>COFDM\u6280\u672f<\/strong>\uff1a\u5728OFDM\u8c03\u5236\u4e4b\u524d\u589e\u52a0\u4fe1\u9053\u7f16\u7801(\u4e3b\u8981\u662f\u7ea0\u9519\u548c\u4ea4\u7ec7)\uff0c\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u3002COFDM\u6280\u672f\u901a\u8fc7\u589e\u52a0\u4fdd\u62a4\u95f4\u9694\u548c\u7ea0\u9519\u7f16\u7801\u6765\u589e\u5f3a\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u591a\u8def\u590d\u7528\u6280\u672f\u548c\u538b\u7f29\u7f16\u7801\u6280\u672f<\/strong>\uff1a\u5728\u6beb\u7c73\u6ce2\u6280\u672f\u4e2d\uff0c\u901a\u8fc7\u591a\u8def\u590d\u7528\u6280\u672f\u548c\u538b\u7f29\u7f16\u7801\u6280\u672f\u6765\u63d0\u9ad8\u4fe1\u53f7\u4f20\u8f93\u7684\u53ef\u9760\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u6b63\u4ea4\u9891\u5206\u590d\u7528(OFDM)\u6280\u672f\u5728\u65e0\u7ebf\u56fe\u4f20\u4e2d\u7684\u5e94\u7528<\/h2>\n\n\n\n<p>\u3000\u3000\u6b63\u4ea4\u9891\u5206\u590d\u7528(OFDM)\u6280\u672f\u5728\u65e0\u7ebf\u56fe\u4f20\u4e2d\u7684\u6700\u65b0\u5e94\u7528\u6848\u4f8b\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u65e0\u4eba\u673a\u56fe\u4f20<\/strong>\uff1aOFDM\u6280\u672f\u5728\u65e0\u4eba\u673a\u56fe\u4f20\u7cfb\u7edf\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002\u65e0\u4eba\u673a\u56fe\u4f20\u7cfb\u7edf\u901a\u5e38\u91c7\u7528OFDM\u8c03\u5236\u65b9\u5f0f\uff0c\u7ed3\u5408WIFI\u6280\u672f\uff0c\u80fd\u591f\u5b9e\u73b0\u9ad8\u6027\u80fd\u7684\u65e0\u7ebf\u901a\u4fe1\u7f51\u7edc\uff0c\u7279\u522b\u662f\u5728\u9891\u7387\u9009\u62e9\u6027\u8870\u843d\u7684\u60c5\u51b5\u4e0b\u8868\u73b0\u51fa\u8272\u3002\u6b64\u5916\uff0cOFDM\u6280\u672f\u4e5f\u88ab\u7528\u4e8eLTE(4G)\u548cWIFI\u7b49\u5e94\u7528\u7cfb\u7edf\u4e2d\uff0c\u6210\u4e3a\u65e0\u4eba\u673a\u56fe\u4f20\u7684\u4e3b\u6d41\u6280\u672f\u4e4b\u4e00\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9ad8\u901f\u79fb\u52a8\u56fe\u50cf\u4f20\u8f93<\/strong>\uff1a\u57fa\u4e8eTDD-OFDM\u65e0\u7ebf\u901a\u4fe1\u539f\u7406\u7684\u7cfb\u7edf\u80fd\u591f\u5b9e\u73b0\u9ad8\u901f\u79fb\u52a8\u4e2d\u7684\u56fe\u50cf\u4f20\u8f93\u3002\u8fd9\u79cd\u7cfb\u7edf\u7ed3\u5408\u4e86\u56fe\u50cf\u538b\u7f29\u7f16\u7801\u6280\u672f\uff0c\u5177\u6709\u70b9\u5bf9\u591a\u70b9\u3001\u56fe\u50cf\u4f20\u8f93\u3001\u8bed\u97f3\u5bf9\u8bb2\u548c\u6570\u636e\u4f20\u8f93\u7b49\u529f\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u89c6\u9891\u4f20\u8f93\u7cfb\u7edf<\/strong>\uff1aOFDM\u6280\u672f\u5728\u89c6\u9891\u4f20\u8f93\u7cfb\u7edf\u4e2d\u4e5f\u6709\u5e94\u7528\u3002\u4f8b\u5982\uff0c\u91c7\u7528OFDM-16QAM\u8c03\u5236\u65b9\u5f0f\u7684\u65e0\u7ebf\u56fe\u4f20\u89c6\u9891\u4f20\u8f93\u7cfb\u7edf\uff0c\u80fd\u591f\u572840M\u65e0\u7ebf\u5e26\u5bbd\u4e0b\u5b9e\u73b0\u65e0\u538b\u7f29\u3001\u65e0\u5ef6\u65f6\u7684\u89c6\u9891\u4f20\u8f93\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe200\u5230800\u7c73\uff0c\u89c6\u9891\u753b\u9762\u6e05\u6670\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6df1\u5ea6\u5b66\u4e60\u4fe1\u9053\u4f30\u8ba1<\/strong>\uff1a\u6700\u65b0\u7684\u7814\u7a76\u8fd8\u7ed3\u5408\u4e86OFDM\u6280\u672f\u548c\u6df1\u5ea6\u5b66\u4e60(DNN)\u8fdb\u884c\u4fe1\u9053\u4f30\u8ba1\u3002\u4f8b\u5982\uff0c\u57fa\u4e8eOFDM+QPSK\u548cDNN\u6df1\u5ea6\u5b66\u4e60\u4fe1\u9053\u4f30\u8ba1\u7684\u65e0\u7ebf\u56fe\u50cf\u4f20\u8f93\u4eff\u771f\uff0c\u80fd\u591f\u8f93\u51fa\u8bef\u7801\u7387\u66f2\u7ebf\uff0c\u5e76\u7528\u5b9e\u9645\u56fe\u7247\u8fdb\u884c\u6d4b\u8bd5\uff0c\u663e\u793a\u51fa\u826f\u597d\u7684\u4eff\u771f\u6548\u679c\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 \u5982\u4f55\u89e3\u51b3\u65e0\u7ebf\u56fe\u4f20\u7cfb\u7edf\u4e2d\u7684\u4fe1\u53f7\u5e72\u6270<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u89e3\u51b3\u65e0\u7ebf\u56fe\u4f20\u7cfb\u7edf\u4e2d\u7684\u4fe1\u53f7\u5e72\u6270\u95ee\u9898\u65f6\uff0c\u5c24\u5176\u662f\u5728\u590d\u6742\u73af\u5883\u4e0b\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u907f\u514d\u5e72\u6270\u6e90<\/strong>\uff1a\u4fe1\u53f7\u5e72\u6270\u53ef\u80fd\u6765\u81ea\u4e8e\u5468\u56f4\u7684\u65e0\u7ebf\u7535\u3001\u901a\u8baf\u8bbe\u5907\u7b49\u3002\u901a\u8fc7\u907f\u514d\u8fd9\u4e9b\u5e72\u6270\u6e90\uff0c\u53ef\u4ee5\u51cf\u5c11\u4fe1\u53f7\u5e72\u6270\u5bf9\u56fe\u4f20\u7cfb\u7edf\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9891\u70b9\u8c03\u6574<\/strong>\uff1a\u5c06\u56fe\u4f20\u7684\u9891\u70b9\u4e0e\u9065\u63a7\u5668\u7684\u9891\u70b9\u62c9\u5f00\u8ddd\u79bb\uff0c\u9891\u70b9\u76f8\u5dee\u8d8a\u8fdc\uff0c\u6ee4\u6ce2\u5668\u7684\u6548\u679c\u5c31\u8d8a\u597d\uff0c\u4ece\u800c\u51cf\u5c11\u9891\u70b9\u4e4b\u95f4\u7684\u5e72\u6270\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5c4f\u853d\u63aa\u65bd<\/strong>\uff1a\u5bf9\u6570\u4f20\u6a21\u5757\u548c\u4f1a\u4ea7\u751f\u7535\u78c1\u5e72\u6270\u7684\u90e8\u4ef6\u91c7\u53d6\u5c4f\u853d\u63aa\u65bd\uff0c\u5e76\u4f7f\u7528\u7279\u6027\u963b\u6297\u4e3a50\u03a9\u7684\u5c04\u9891\u540c\u8f74\u7535\u7f06\u8fde\u63a5\uff0c\u4ee5\u51cf\u5c11\u7535\u78c1\u5e72\u6270\u5bf9\u4fe1\u53f7\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4fe1\u53f7\u5e72\u6270\u5c4f\u853d\u5668<\/strong>\uff1a\u4f7f\u7528\u4fe1\u53f7\u5e72\u6270\u5c4f\u853d\u5668\uff0c\u5982SMa-818B5\u578b\u53f7\uff0c\u53ef\u4ee5\u6709\u6548\u5c4f\u853d\u79fb\u52a8\/\u8054\u901a\/\u7535\u4fe1\u6240\u6709\u76842G\u30013G\u30014G\/5G\u548cWIFI\u4fe1\u53f7\u7684\u5404\u4e2a\u9891\u6bb5\uff0c\u7279\u522b\u52a0\u5f3a\u4e86\u9488\u5bf93G\u30014G\u30015G\u7684\u529f\u7387\u63a8\u52a8\uff0c\u786e\u4fdd\u6bcf\u4e2a\u901a\u9053\u8f93\u51fa\u529f\u7387\u8fbe\u52302W\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u73af\u5883\u81ea\u9002\u5e94\u7b97\u6cd5<\/strong>\uff1a\u91c7\u7528\u73af\u5883\u81ea\u9002\u5e94\u7684\u65e0\u7ebf\u4f20\u611f\u5668\u7f51\u7edc\u5b9a\u4f4d\u7b97\u6cd5\uff0c\u901a\u8fc7\u6539\u8fdb\u7684RSSI\u6d4b\u8ddd\u65b9\u6cd5\uff0c\u6d88\u53bb\u4fe1\u53f7\u8870\u51cf\u56e0\u5b50\u5bf9\u5b9a\u4f4d\u7b97\u6cd5\u7684\u5f71\u54cd\uff0c\u4ece\u800c\u4f7f\u7b97\u6cd5\u80fd\u5b9e\u73b0\u5bf9\u73af\u5883\u7684\u8ba4\u77e5\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u65e0\u7ebf\u4f20\u611f\u5668\u7f51\u7edc\u7684\u8282\u70b9\u5b9a\u4f4d\u7cbe\u5ea6\u548c\u73af\u5883\u9002\u5e94\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 \u65e0\u7ebf\u56fe\u4f20\u7cfb\u7edf\u4e2dMIMO\u6280\u672f\u7684\u6700\u65b0\u7814\u7a76\u548c\u5e94\u7528<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u65e0\u7ebf\u56fe\u4f20\u7cfb\u7edf\u4e2d\uff0cMIMO(\u591a\u8f93\u5165\u591a\u8f93\u51fa)\u6280\u672f\u7684\u6700\u65b0\u7814\u7a76\u8fdb\u5c55\u548c\u5e94\u7528\u6848\u4f8b\u4e3b\u8981\u96c6\u4e2d\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5927\u89c4\u6a21MIMO\u6280\u672f\u5229\u7528\u8d85\u9ad8\u5929\u7ebf\u7ef4\u5ea6\u6765\u5145\u5206\u6316\u6398\u548c\u5229\u7528\u7a7a\u95f4\u8d44\u6e90\uff0c\u4ece\u800c\u663e\u8457\u63d0\u5347\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u7684\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5927\u89c4\u6a21MIMO\u5728\u536b\u661f\u901a\u4fe1\u3001\u6beb\u7c73\u6ce2\u901a\u4fe1\u548c3D\u901a\u4fe1\u7b49\u9886\u57df\u7684\u5e94\u7528\u4e2d\uff0c\u901a\u8fc7\u4f18\u5316\u8bbe\u8ba1\u65b9\u6cd5\uff0c\u5b9e\u73b0\u4e86\u66f4\u9ad8\u7684\u4f20\u8f93\u6548\u7387\u548c\u66f4\u5e7f\u7684\u8986\u76d6\u8303\u56f4\u3002<\/p>\n\n\n\n<p>\u3000\u30003D MIMO\u6280\u672f\u662f\u5c065G\u6280\u672f\u5e94\u7528\u52304G\u7f51\u7edc\u4e2d\u7684\u5178\u578b\u6848\u4f8b\u3002\u76f8\u6bd4\u73b0\u6709\u76844G\u6280\u672f\uff0c\u91c7\u75283D MIMO\u6280\u672f\u7684\u5c0f\u533a\u4e0b\u884c\u548c\u4e0a\u884c\u5e73\u5747\u541e\u5410\u91cf\u5206\u522b\u662f\u73b0\u67094G\u57fa\u7ad9\u76842~5\u500d\u548c2\u500d\u3002\u8fd9\u4e00\u6280\u672f\u4e0d\u4ec5\u63d0\u5347\u4e86\u7f51\u7edc\u7684\u4f20\u8f93\u901f\u7387\uff0c\u8fd8\u589e\u5f3a\u4e86\u7f51\u7edc\u7684\u8986\u76d6\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728MIMO\u7cfb\u7edf\u4e2d\uff0c\u4fe1\u9053\u4f30\u8ba1\u662f\u81f3\u5173\u91cd\u8981\u7684\u73af\u8282\u3002\u6700\u65b0\u7684\u7814\u7a76\u8fdb\u5c55\u5305\u62ec\u57fa\u4e8e\u538b\u7f29\u611f\u77e5\u7684MIMO\u4fe1\u9053\u4f30\u8ba1\u6280\u672f\uff0c\u8fd9\u79cd\u6280\u672f\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u4fe1\u9053\u4f30\u8ba1\u7684\u7cbe\u5ea6\u548c\u6548\u7387\u3002\u6b64\u5916\uff0c\u8fd8\u6709\u9488\u5bf9\u5bbd\u5e26\u6beb\u7c73\u6ce2\u5927\u89c4\u6a21MIMO\u7cfb\u7edf\u7684\u53bb\u7f51\u683c\u5316\u4fe1\u9053\u4f30\u8ba1\u6280\u672f\uff0c\u8fd9\u4e9b\u6280\u672f\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u8868\u73b0\u51fa\u8272\u3002<\/p>\n\n\n\n<p>\u3000\u3000MIMO\u6ce2\u675f\u6210\u5f62\u6280\u672f\u5728\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\u53d1\u6325\u7740\u8d8a\u6765\u8d8a\u91cd\u8981\u7684\u4f5c\u7528\u3002\u901a\u8fc7\u591a\u4e2a\u53d1\u5c04\u5929\u7ebf\u548c\u63a5\u6536\u5929\u7ebf\u6765\u68c0\u6d4b\u76ee\u6807\u56de\u6ce2\uff0cMIMO\u6ce2\u675f\u6210\u5f62\u6280\u672f\u80fd\u591f\u63d0\u9ad8\u7a7a\u95f4\u5206\u8fa8\u7387\u548c\u76ee\u6807\u68c0\u6d4b\u80fd\u529b\uff0c\u4ece\u800c\u63d0\u5347\u901a\u4fe1\u7cfb\u7edf\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728URLLC\u573a\u666f\u4e0b\uff0c\u7814\u7a76\u4eba\u5458\u63d0\u51fa\u4e86\u65b0\u578b\u7a7a\u65f6\u4e8c\u7ef4\u4fe1\u9053\u7f16\u7801\u65b9\u6848\uff0c\u4ee5\u5e94\u5bf9\u4f4e\u65f6\u5ef6\u548c\u9ad8\u53ef\u9760\u6027\u8981\u6c42\u3002\u8fd9\u4e9b\u521b\u65b0\u6027\u8bbe\u8ba1\u4f7f\u5f97MIMO\u6280\u672f\u5728\u8d85\u53ef\u9760\u4f4e\u65f6\u5ef6\u901a\u4fe1\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u77ed\u6ce2MIMO\u901a\u4fe1\u7684\u7814\u7a76\u4e5f\u53d6\u5f97\u4e86\u663e\u8457\u8fdb\u5c55\u3002\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u5f00\u521b\u6027\u7684\u5de5\u4f5c\uff0c\u63a2\u7d22\u4e86\u5728HF\u9891\u6bb5\u5e94\u7528MIMO\u6280\u672f\u7684\u53ef\u884c\u6027\uff0c\u8fd9\u4e3a\u77ed\u6ce2\u901a\u4fe1\u9886\u57df\u5e26\u6765\u4e86\u65b0\u7684\u53ef\u80fd\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5927\u89c4\u6a21MIMO\u5229\u7528\u8d85\u9ad8\u5929\u7ebf\u7ef4\u5ea6\u5145\u5206\u6316\u6398\u5229\u7528\u7a7a\u95f4\u8d44\u6e90\uff0c\u7ed3\u5408\u4eba\u5de5\u667a\u80fd\u6280\u672f\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u63d0\u5347\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000MIMO\u6280\u672f\u5728\u65e0\u7ebf\u56fe\u4f20\u7cfb\u7edf\u4e2d\u7684\u6700\u65b0\u7814\u7a76\u8fdb\u5c55\u6db5\u76d6\u4e86\u4ece\u5927\u89c4\u6a21MIMO\u4f20\u8f93\u30013D MIMO\u3001\u4fe1\u9053\u4f30\u8ba1\u3001\u6ce2\u675f\u6210\u5f62\u5230\u77ed\u6ce2\u901a\u4fe1\u7b49\u591a\u4e2a\u65b9\u9762\uff0c\u5e76\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u53d6\u5f97\u4e86\u663e\u8457\u6210\u6548\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u65e0\u7ebf\u56fe\u4f20\u7cfb\u7edf\u53ef\u4ee5\u91c7\u7528\u591a\u79cd\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0c\u5982WiFi\u3001LTE\u3001OFDM\u548cMIMO\u7b49\u3002\u5176\u4e2d\uff0cOFDM\u6280\u672f\u56e0\u5176\u9ad8\u6548\u7387\u548c\u6297\u5e72\u6270\u80fd\u529b\u800c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u590d\u6742\u65e0\u7ebf\u901a\u4fe1\u73af\u5883\u4e2d\u3002<\/p>\n","protected":false},"author":1,"featured_media":96980,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[451],"class_list":["post-97393","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-wxtc"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/97393"}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=97393"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/97393\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/96980"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=97393"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=97393"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=97393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}