{"id":98515,"date":"2024-10-25T10:14:31","date_gmt":"2024-10-25T02:14:31","guid":{"rendered":"\/\/www.viralrail.com\/?p=98515"},"modified":"2024-10-25T10:14:35","modified_gmt":"2024-10-25T02:14:35","slug":"pdfcszdslsds","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/98515.html","title":{"rendered":"433\u9891\u6bb5FSK\u4f20\u8f93\u6700\u5927\u901f\u7387\u662f\u591a\u5c11"},"content":{"rendered":"\n<p>\u3000\u3000\u5728<strong>433 MHz\u9891\u6bb5<\/strong>\u4f7f\u7528<strong>FSK(Frequency Shift Keying)\u8c03\u5236<\/strong>\u65f6\uff0c\u4f20\u8f93\u7684\u6700\u5927\u901f\u7387\u53d6\u51b3\u4e8e\u591a\u79cd\u56e0\u7d20\uff0c\u5305\u62ec\u4fe1\u9053\u5e26\u5bbd\u3001\u4fe1\u53f7\u8c03\u5236\u7279\u6027\u3001\u8bef\u7801\u7387\u8981\u6c42\u548c\u9891\u8c31\u4f7f\u7528\u9650\u5236\u3002\u6211\u4eec\u53ef\u4ee5\u603b\u7ed3\u51fa\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5178\u578b\u901f\u7387<\/strong>\uff1aFSK\u8c03\u5236\u5728433 MHz\u9891\u6bb5\u7684\u5e38\u89c1\u901f\u7387\u5927\u7ea6\u57282 kbps\u5230100 kbps\u4e4b\u95f4\u3002\u8fd9\u662f\u56e0\u4e3aFSK\u8c03\u5236\u5c5e\u4e8e\u4e00\u79cd\u4e8c\u8fdb\u5236\u9891\u7387\u79fb\u952e\u63a7\u6280\u672f\uff0c\u76f8\u6bd4\u5176\u4ed6\u8c03\u5236\u65b9\u5f0f\uff0c\u5982QPSK(\u6b63\u4ea4\u76f8\u79fb\u952e\u63a7)\u7b49\uff0c\u5b83\u7684\u9891\u8c31\u6548\u7387\u8f83\u4f4e\uff0c\u6240\u4ee5\u901a\u5e38\u7528\u4e8e\u4e2d\u4f4e\u901f\u7387\u7684\u5e94\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6700\u5927\u901f\u7387<\/strong>\uff1a\u5728\u7406\u60f3\u6761\u4ef6\u4e0b\uff0c433 MHz\u9891\u6bb5\u7684FSK\u4f20\u8f93\u901f\u7387\u53ef\u4ee5\u8fbe\u5230300 kbps\u5de6\u53f3\u3002\u7136\u800c\uff0c\u8fd9\u4e2a\u901f\u7387\u901a\u5e38\u4f1a\u53d7\u5230\u591a\u79cd\u56e0\u7d20\u7684\u9650\u5236\uff0c\u4f8b\u5982\uff1a<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4fe1\u9053\u5e26\u5bbd<\/strong>\uff1a\u5e26\u5bbd\u9650\u5236\u4f1a\u76f4\u63a5\u5f71\u54cd\u6570\u636e\u4f20\u8f93\u7684\u901f\u7387\u3002\u8f83\u5bbd\u7684\u4fe1\u9053\u5e26\u5bbd\u53ef\u4ee5\u652f\u6301\u66f4\u9ad8\u7684\u6570\u636e\u901f\u7387\uff0c\u4f46\u4e5f\u66f4\u5bb9\u6613\u53d7\u5230\u566a\u58f0\u548c\u5e72\u6270\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9891\u8c31\u6cd5\u89c4<\/strong>\uff1a\u4e0d\u540c\u5730\u533a\u5bf9433 MHz\u9891\u6bb5\u7684\u4f7f\u7528\u6709\u4e0d\u540c\u7684\u9891\u8c31\u6cd5\u89c4\u3002\u4f8b\u5982\uff0c\u5728\u6b27\u6d32\uff0c433 MHz\u9891\u6bb5\u5c5e\u4e8eISM(\u5de5\u4e1a\u3001\u79d1\u5b66\u548c\u533b\u5b66)\u9891\u6bb5\uff0c\u6709\u9891\u8c31\u4f7f\u7528\u7684\u9650\u5236\uff0c\u53ef\u80fd\u4f1a\u5f71\u54cd\u5230\u6700\u5927\u5141\u8bb8\u7684\u4f20\u8f93\u901f\u7387\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8bef\u7801\u7387 (BER)<\/strong>&nbsp;\uff1a\u66f4\u9ad8\u7684\u6570\u636e\u901f\u7387\u53ef\u80fd\u4f1a\u5bfc\u81f4\u66f4\u9ad8\u7684\u8bef\u7801\u7387\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u5728\u901f\u7387\u548c\u53ef\u9760\u6027\u4e4b\u95f4\u8fdb\u884c\u6743\u8861\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u901f\u7387<\/strong>\uff1a\u5728\u5b9e\u9645\u7684\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u4f7f\u7528FSK\u7684433 MHz\u8bbe\u5907\u901a\u5e38\u4f1a\u9009\u62e9\u8f83\u4f4e\u7684\u6570\u636e\u901f\u7387(\u59829.6 kbps\u300138.4 kbps\u7b49)\uff0c\u4ee5\u786e\u4fdd\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u548c\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\u3002\u8fd9\u662f\u56e0\u4e3a\uff0c\u5728\u76f8\u540c\u529f\u7387\u8f93\u51fa\u4e0b\uff0c\u964d\u4f4e\u901f\u7387\u80fd\u63d0\u9ad8\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000FSK\u8c03\u5236\u5728433 MHz\u9891\u6bb5\u7684\u6700\u5927\u4f20\u8f93\u901f\u7387\u5728\u7406\u60f3\u6761\u4ef6\u4e0b\u53ef\u4ee5\u8fbe\u5230300 kbps\uff0c\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u7531\u4e8e\u4fe1\u9053\u5e26\u5bbd\u3001\u9891\u8c31\u6cd5\u89c4\u548c\u8bef\u7801\u7387\u7b49\u56e0\u7d20\u7684\u9650\u5236\uff0c\u901a\u5e38\u4f1a\u9009\u62e9\u8f83\u4f4e\u7684\u6570\u636e\u901f\u7387\u4ee5\u786e\u4fdd\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 433 MHz\u9891\u6bb5FSK\u8c03\u5236\u7684\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u548c\u6570\u636e\u901f\u7387\u9009\u62e9\u6807\u51c6<\/h2>\n\n\n\n<p>\u3000\u3000433 MHz\u9891\u6bb5\u7684FSK\u8c03\u5236\u5728\u65e0\u7ebf\u901a\u4fe1\u9886\u57df\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u4f8b\u5982\uff0cnRF0433\u662f\u4e00\u6b3e\u5de5\u4f5c\u5728433 MHz ISM\u9891\u6bb5\u7684\u5355\u7247RF\u6536\u53d1\u82af\u7247\uff0c\u91c7\u7528FSK\u8c03\u5236\u548c\u89e3\u8c03\uff0c\u6570\u636e\u4f20\u8f93\u901f\u7387\u4e3a9600 b\/s\u3002\u8be5\u82af\u7247\u5177\u6709\u4f18\u826f\u7684\u9891\u7387\u7a33\u5b9a\u6027\u548c\u9ad8\u7075\u654f\u5ea6\uff0c\u9002\u7528\u4e8e\u4eea\u5668\u4eea\u8868\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\u3001\u65e0\u7ebf\u6284\u8868\u7cfb\u7edf\u3001\u65e0\u7ebf\u6570\u636e\u901a\u4fe1\u7cfb\u7edf\u548c\u8ba1\u7b97\u673a\u9065\u6d4b\u9065\u63a7\u7cfb\u7edf\u7b49\u9886\u57df\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5173\u4e8e\u6570\u636e\u901f\u7387\u7684\u9009\u62e9\uff0c\u4e0d\u540c\u7684FSK\u8c03\u5236\u6a21\u5757\u652f\u6301\u4e0d\u540c\u7684\u6570\u636e\u901f\u7387\u3002\u4f8b\u5982\uff0cBC2502C\/BC2502D\u652f\u6301\u9ad8\u8fbe50 kbps\u7684\u6570\u636e\u901f\u7387\uff0c\u800cZM7139\u6a21\u5757\u5219\u652f\u6301\u4ece2\u5230250 kbps\u7684\u6570\u636e\u901f\u7387\u3002\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u901f\u7387\u9700\u8981\u8003\u8651\u5b9e\u9645\u5e94\u7528\u9700\u6c42\uff0c\u5982\u4f20\u8f93\u8ddd\u79bb\u3001\u4fe1\u53f7\u5e72\u6270\u548c\u7cfb\u7edf\u590d\u6742\u6027\u7b49\u56e0\u7d20\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 \u5728\u4e0d\u540c\u5730\u533a\uff0c433 MHz\u9891\u6bb5\u7684\u9891\u8c31\u6cd5\u89c4\u5177\u4f53\u6709\u54ea\u4e9b\u5dee\u5f02<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u4e0d\u540c\u5730\u533a\uff0c433 MHz\u9891\u6bb5\u7684\u9891\u8c31\u6cd5\u89c4\u5b58\u5728\u4e00\u4e9b\u5dee\u5f02\uff0c\u8fd9\u4e9b\u5dee\u5f02\u4e3b\u8981\u4f53\u73b0\u5728\u6700\u5927\u5141\u8bb8\u53d1\u5c04\u529f\u7387(ERP)\u3001\u5360\u7a7a\u6bd4(duty cycle)\u4ee5\u53ca\u662f\u5426\u5c5e\u4e8e\u5de5\u4e1a\u3001\u79d1\u5b66\u548c\u533b\u7597(ISM)\u9891\u6bb5\u7b49\u65b9\u9762\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u5317\u7f8e\u5730\u533a<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u6839\u636eFCC\u7684\u89c4\u5b9a\uff0c433 MHz\u9891\u6bb5\u7684\u8bbe\u5907\u9700\u8981\u7b26\u5408FCC 15.231(e)\u548cRSS-210\u6807\u51c6\uff0c\u573a\u5f3a\u4e3a4400 uV\/m @ 3m\uff0c\u95ea\u70c1\u7387\u4e3a10\u79d2\uff0c\u540c\u65f6\u7b26\u5408FCC 15.240\u6807\u51c6\uff0c\u573a\u5f3a\u4e3a55.000 uV\/m @ 3m\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u6b27\u6d32\u548c\u975e\u6d32\u5730\u533a<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u8fd9\u4e9b\u5730\u533a\uff0c433 MHz\u9891\u6bb5\u5c5e\u4e8eISM\u9891\u6bb5\uff0c\u7b26\u5408EN 300 220\u6807\u51c6\u3002\u6700\u5927ERP\u4e3a10 mW@1%\u62161mW@10% duty cycle\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5fb7\u56fd\u3001\u5965\u5730\u5229\u3001\u514b\u7f57\u5730\u4e9a\u7b49\u56fd\u4e5f\u89c4\u5b9a\u4e86\u8be5\u9891\u6bb5\u7528\u4e8eISM\u5e94\u7528\uff0c\u5e76\u8981\u6c42\u63a5\u53d7\u53ef\u80fd\u7531\u8fd9\u4e9b\u5e94\u7528\u5f15\u8d77\u7684\u6709\u5bb3\u5e72\u6270\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u4e9a\u6d32\u5730\u533a<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u4e2d\u56fd\u5b9e\u65bd\u7684SRRC\u4e0e\u6b27\u76df\u65e0\u7ebf\u7535\u6cd5\u89c4\u76f8\u5339\u914d\uff0c\u6700\u5927ERP\u4e3a10 mW\uff0c\u5360\u7528\u5e26\u5bbd\u5c0f\u4e8e400 kHz\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u65b0\u52a0\u5761\u5219\u9075\u5faaIDA TS SRD:2008\u6807\u51c6\uff0c\u540c\u6837\u6700\u5927ERP\u4e3a10 mW\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u6fb3\u5927\u5229\u4e9a\/\u65b0\u897f\u5170\u5730\u533a<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u8fd9\u4e9b\u5730\u533a\u9075\u5faaAS\/NZS 4268:2003\u6807\u51c6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30005.&nbsp;<strong>\u5168\u7403\u5176\u4ed6\u5730\u533a<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u4e00\u4e9b\u56fd\u5bb6\u548c\u5730\u533a\uff0c\u5982\u79d1\u5a01\u7279\uff0c\u8bbe\u5907\u9700\u7b26\u5408\u5f53\u5730\u7684\u5c04\u9891\u6cd5\u89c4\u8981\u6c42\uff0c\u5e76\u8bf4\u660e\u6240\u91c7\u7528\u7684\u8c03\u5236\u6280\u672f(\u5982FSK\u3001GFSK\u3001QPSK\u7b49)\uff0c\u4ee5\u786e\u4fdd\u8bbe\u5907\u7684\u5c04\u9891\u7279\u6027\u7b26\u5408\u76f8\u5173\u6807\u51c6\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5bf9\u4e8eFSK\u8c03\u5236\u7684\u5f71\u54cd\uff0c\u867d\u7136\u5177\u4f53\u7684FSK\u8c03\u5236\u53c2\u6570\u5728\u8bc1\u636e\u4e2d\u6ca1\u6709\u8be6\u7ec6\u8bf4\u660e\uff0c\u4f46\u901a\u5e38FSK\u8c03\u5236\u65b9\u5f0f\u5728\u4e0d\u540c\u5730\u533a\u7684\u4f7f\u7528\u662f\u5141\u8bb8\u7684\uff0c\u53ea\u8981\u7b26\u5408\u5f53\u5730\u7684ERP\u548c\u5360\u7a7a\u6bd4\u9650\u5236\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u5982\u4f55\u51c6\u786e\u6d4b\u91cf\u548c\u8ba1\u7b97433 MHz\u9891\u6bb5FSK\u8c03\u5236\u7684\u8bef\u7801\u7387(BER)?<\/h2>\n\n\n\n<p>\u3000\u3000\u8981\u51c6\u786e\u6d4b\u91cf\u548c\u8ba1\u7b97433 MHz\u9891\u6bb5FSK\u8c03\u5236\u7684\u8bef\u7801\u7387(BER)\uff0c\u53ef\u4ee5\u53c2\u8003\u4ee5\u4e0b\u6b65\u9aa4\u548c\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4eff\u771f\u5de5\u5177\u9009\u62e9<\/strong>\uff1a\u53ef\u4ee5\u4f7f\u7528Matlab\u8fdb\u884cFSK\u8c03\u5236\u548cBER\u7684\u4eff\u771f\u3002Matlab\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u4fe1\u53f7\u5904\u7406\u5de5\u5177\u7bb1\uff0c\u53ef\u4ee5\u6a21\u62df\u5b9e\u9645\u4fe1\u9053\u73af\u5883\u4e2d\u7684AWGN\u566a\u58f0\uff0c\u5e76\u8ba1\u7b97\u4e0d\u540c\u4fe1\u566a\u6bd4(SNR)\u4e0b\u7684BER\u6027\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7cfb\u7edf\u8bbe\u7f6e<\/strong>\uff1a\u5728\u8fdb\u884c\u4eff\u771f\u4e4b\u524d\uff0c\u9700\u8981\u8bbe\u7f6e\u597dFSK\u8c03\u5236\u89e3\u8c03\u7cfb\u7edf\u7684\u53c2\u6570\uff0c\u5305\u62ec\u9891\u7387\u504f\u79fb\u3001\u57fa\u5e26\u4fe1\u53f7\u901f\u7387\u3001\u8f7d\u6ce2\u9891\u7387\u7b49\u3002\u8fd9\u4e9b\u53c2\u6570\u4f1a\u5f71\u54cdFSK\u4fe1\u53f7\u7684\u5e26\u5bbd\u548c\u8bef\u7801\u7387\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6dfb\u52a0\u566a\u58f0<\/strong>\uff1a\u4e3a\u4e86\u6a21\u62df\u5b9e\u9645\u7684\u65e0\u7ebf\u901a\u4fe1\u73af\u5883\uff0c\u9700\u8981\u5728FSK\u4fe1\u53f7\u4e0a\u6dfb\u52a0\u9ad8\u65af\u767d\u566a\u58f0(AWGN)\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7Matlab\u4e2d\u7684\u9ad8\u65af\u4fe1\u9053\u6a21\u5757\u6765\u5b9e\u73b0\uff0c\u4ece\u800c\u89c2\u5bdf\u4e0d\u540cSNR\u6761\u4ef6\u4e0b\u7684BER\u8868\u73b0\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8bef\u7801\u7387\u7edf\u8ba1<\/strong>\uff1a\u901a\u8fc7Matlab\u4e2d\u7684\u8bef\u7801\u7387\u7edf\u8ba1\u6a21\u5757\uff0c\u53ef\u4ee5\u5bf9\u7ecf\u8fc7\u566a\u58f0\u5904\u7406\u540e\u7684\u4fe1\u53f7\u8fdb\u884c\u89e3\u8c03\uff0c\u5e76\u7edf\u8ba1\u51fa\u8bef\u7801\u7387\u3002\u8be5\u6a21\u5757\u80fd\u591f\u63d0\u4f9b\u8be6\u7ec6\u7684BER\u66f2\u7ebf\uff0c\u5e2e\u52a9\u5206\u6790\u4e0d\u540cSNR\u6761\u4ef6\u4e0b\u7684\u8bef\u7801\u7387\u53d8\u5316\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5b9e\u9a8c\u9a8c\u8bc1<\/strong>\uff1a\u9664\u4e86\u4eff\u771f\u5916\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u5b9e\u9a8c\u6765\u9a8c\u8bc1BER\u7684\u6d4b\u91cf\u7ed3\u679c\u3002\u4f8b\u5982\uff0c\u5728\u5b9e\u9a8c\u5ba4\u4e2d\u4f7f\u7528\u793a\u6ce2\u5668\u89c2\u6d4b\u52a0\u566a\u524d\u540e\u7684\u4fe1\u53f7\u53d8\u5316\uff0c\u5e76\u4f7f\u7528\u5185\u7f6e\u7684\u8bef\u7801\u4eea\u529f\u80fd\u6d4b\u8bd5\u7cfb\u7edf\u7684BER\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u786e\u8ba4\u4eff\u771f\u7ed3\u679c\u7684\u51c6\u786e\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7406\u8bba\u5206\u6790<\/strong>\uff1a\u6839\u636e\u901a\u4fe1\u539f\u7406\uff0cFSK\u8c03\u5236\u7684BER\u4e0d\u4f9d\u8d56\u4e8e\u5e26\u5bbd\uff0c\u800c\u662f\u4e0e\u9891\u7387\u504f\u5dee\u548c\u4fe1\u566a\u6bd4\u6709\u5173\u3002\u53ef\u4ee5\u901a\u8fc7\u5361\u68ee\u89c4\u5219\u6765\u4f30\u8ba1BER\uff0c\u8be5\u89c4\u5219\u6307\u51fa\uff0c\u5982\u679c\u9891\u7387\u504f\u5dee\u0394f\u8d8b\u8fd1\u4e8e0.\u5219\u53ea\u9700\u8981\u4f7f\u7528\u4e00\u4e2a\u5e26\u5bbd\u4e3a1\/T\u7684\u7cfb\u7edf\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 \u5728\u63d0\u9ad8433 MHz\u9891\u6bb5FSK\u8c03\u5236\u4f20\u8f93\u901f\u7387\u7684\u540c\u65f6\uff0c\u5982\u4f55\u6709\u6548\u964d\u4f4e\u8bef\u7801\u7387?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u63d0\u9ad8433 MHz\u9891\u6bb5FSK\u8c03\u5236\u4f20\u8f93\u901f\u7387\u7684\u540c\u65f6\uff0c\u6709\u6548\u964d\u4f4e\u8bef\u7801\u7387\u7684\u65b9\u6cd5\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u5165\u624b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f7f\u7528\u7ea0\u9519\u7f16\u7801<\/strong>\uff1a\u7ea0\u9519\u7f16\u7801\u662f\u4e00\u79cd\u5e38\u7528\u7684\u964d\u4f4e\u8bef\u7801\u7387\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u5f15\u5165\u989d\u5916\u7684\u5197\u4f59\u4fe1\u606f\uff0c\u7ea0\u9519\u7f16\u7801\u53ef\u4ee5\u5728\u63a5\u6536\u7aef\u68c0\u6d4b\u5e76\u7ea0\u6b63\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u7684\u9519\u8bef\uff0c\u4ece\u800c\u63d0\u9ad8\u901a\u4fe1\u7684\u53ef\u9760\u6027\u3002\u4e0d\u540c\u7684\u7ea0\u9519\u7f16\u7801\u65b9\u6cd5\u5177\u6709\u4e0d\u540c\u7684\u68c0\u9519\u548c\u7ea0\u9519\u80fd\u529b\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u7f16\u7801\u65b9\u5f0f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f18\u5316\u8c03\u5236\u65b9\u5f0f<\/strong>\uff1a\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u66f4\u5148\u8fdb\u7684\u8c03\u5236\u6280\u672f\uff0c\u5982\u9ad8\u65af\u6700\u5c0f\u79fb\u4f4d\u952e\u63a7(GMSK)\u3002\u867d\u7136GMSK\u4f1a\u7565\u5fae\u589e\u52a0\u8bef\u7801\u7387\uff0c\u4f46\u5b83\u901a\u8fc7\u5e73\u6ed1\u9891\u7387\u8f6c\u6362\u6765\u51cf\u5c11\u5e26\u5bbd\u9700\u6c42\uff0c\u8fd9\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u6709\u52a9\u4e8e\u63d0\u9ad8\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8c03\u6574\u4fe1\u53f7\u4f20\u8f93\u8def\u5f84<\/strong>\uff1a\u4f18\u5316\u4fe1\u53f7\u4f20\u8f93\u8def\u5f84\u53ef\u4ee5\u51cf\u5c11\u4fe1\u53f7\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u8870\u51cf\u548c\u5e72\u6270\uff0c\u4ece\u800c\u964d\u4f4e\u8bef\u7801\u7387\u3002\u5177\u4f53\u63aa\u65bd\u5305\u62ec\u9009\u62e9\u5408\u9002\u7684\u4f20\u8f93\u4ecb\u8d28\u3001\u589e\u52a0\u4e2d\u7ee7\u7ad9\u548c\u653e\u5927\u5668\u7b49\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u589e\u52a0\u4fe1\u9053\u5e26\u5bbd<\/strong>\uff1a\u589e\u52a0\u4fe1\u9053\u5e26\u5bbd\u53ef\u4ee5\u63d0\u4f9b\u66f4\u591a\u7684\u9891\u8c31\u8d44\u6e90\uff0c\u4ece\u800c\u652f\u6301\u66f4\u9ad8\u7684\u6570\u636e\u901f\u7387\u548c\u66f4\u4f4e\u7684\u8bef\u7801\u7387\u3002\u7136\u800c\uff0c\u8fd9\u901a\u5e38\u9700\u8981\u66f4\u591a\u7684\u4f20\u8f93\u529f\u7387\u548c\u66f4\u590d\u6742\u7684\u7cfb\u7edf\u8bbe\u8ba1\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6539\u8fdb\u786c\u4ef6\u8bbe\u8ba1<\/strong>\uff1a\u91c7\u7528\u66f4\u5148\u8fdb\u7684\u786c\u4ef6\u8bbe\u8ba1\uff0c\u5982\u57fa\u4e8eAD9838\u7684FSK\u8c03\u5236\u4fe1\u53f7\u7cfb\u7edf\uff0c\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u4f20\u8f93\u8bef\u5dee\u3002\u8fd9\u79cd\u8bbe\u8ba1\u5177\u6709\u7ed3\u6784\u7d27\u51d1\u548c\u8c03\u5236\u9891\u7387\u5207\u6362\u65b9\u4fbf\u7684\u4f18\u70b9\uff0c\u6709\u52a9\u4e8e\u63d0\u9ad8\u4f20\u8f93\u901f\u7387\u548c\u964d\u4f4e\u8bef\u7801\u7387\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>FSK\u8c03\u5236\u5728433 MHz\u9891\u6bb5\u7684\u6700\u5927\u4f20\u8f93\u901f\u7387\u5728\u7406\u60f3\u6761\u4ef6\u4e0b\u53ef\u4ee5\u8fbe\u5230300 kbps\uff0c\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u7531\u4e8e\u4fe1\u9053\u5e26\u5bbd\u3001\u9891\u8c31\u6cd5\u89c4\u548c\u8bef\u7801\u7387\u7b49\u56e0\u7d20\u7684\u9650\u5236<\/p>\n","protected":false},"author":1,"featured_media":96079,"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":[333,123],"class_list":["post-98515","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-m-5","tag-fsk"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/98515"}],"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=98515"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/98515\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/96079"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=98515"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=98515"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=98515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}