{"id":92311,"date":"2024-04-30T16:17:52","date_gmt":"2024-04-30T08:17:52","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=92311"},"modified":"2024-06-04T14:47:30","modified_gmt":"2024-06-04T06:47:30","slug":"pltzdylhtd","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/92311.html","title":{"rendered":"\u9891\u7387\u8c03\u5236\u7684\u539f\u7406\u548c\u7279\u70b9"},"content":{"rendered":"\n<p>\u3000\u3000<strong>\u9891\u7387\u8c03\u5236(Frequency Modulation\uff0c\u7b80\u79f0FM)\u662f\u4e00\u79cd\u8c03\u5236\u65b9\u5f0f\uff0c\u5176\u6838\u5fc3\u539f\u7406\u662f\u6839\u636e\u6570\u5b57\u4fe1\u53f7\u7684\u53d8\u5316\u6765\u6539\u53d8\u8f7d\u6ce2\u4fe1\u53f7\u7684\u9891\u7387\u3002<\/strong>\u5177\u4f53\u6765\u8bf4\uff0c\u5f53\u8c03\u5236\u4fe1\u53f7\u4e3a\u201c1\u201d\u65f6\uff0c\u8f7d\u6ce2\u4fe1\u53f7\u7684\u9891\u7387\u8f83\u9ad8;\u5f53\u8c03\u5236\u4fe1\u53f7\u4e3a\u201c0\u201d\u65f6\uff0c\u8f7d\u6ce2\u4fe1\u53f7\u7684\u9891\u7387\u8f83\u4f4e\u3002\u8fd9\u79cd\u8c03\u5236\u65b9\u5f0f\u7684\u7279\u70b9\u662f\uff0c\u867d\u7136\u8f7d\u6ce2\u4fe1\u53f7\u7684\u5e45\u5ea6\u548c\u76f8\u4f4d\u5728\u8c03\u5236\u8fc7\u7a0b\u4e2d\u4fdd\u6301\u4e0d\u53d8\uff0c\u4f46\u5176\u77ac\u65f6\u9891\u7387\u4f1a\u968f\u7740\u8c03\u5236\u4fe1\u53f7\u7684\u53d8\u5316\u800c\u53d8\u5316\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9891\u7387\u8c03\u5236\u7684\u4e3b\u8981\u7279\u70b9\u5305\u62ec\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u9891\u7387\u968f\u8c03\u5236\u4fe1\u53f7\u53d8\u5316<\/strong>\uff1a\u8fd9\u662f\u9891\u7387\u8c03\u5236\u6700\u76f4\u63a5\u7684\u7279\u70b9\uff0c\u5373\u8f7d\u6ce2\u7684\u77ac\u65f6\u9891\u7387\u4f1a\u6839\u636e\u8c03\u5236\u4fe1\u53f7\u7684\u53d8\u5316\u800c\u53d8\u5316\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e45\u5ea6\u4fdd\u6301\u4e0d\u53d8<\/strong>\uff1a\u4e0e\u5e45\u5ea6\u8c03\u5236(\u5982AM)\u4e0d\u540c\uff0c\u5728\u9891\u7387\u8c03\u5236\u4e2d\uff0c\u8f7d\u6ce2\u4fe1\u53f7\u7684\u5e45\u5ea6\u5728\u6574\u4e2a\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4fdd\u6301\u4e0d\u53d8\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6297\u5e72\u6270\u80fd\u529b\u5f3a<\/strong>\uff1a\u7531\u4e8e\u9891\u7387\u8c03\u5236\u4e2d\u8f7d\u6ce2\u7684\u5e45\u5ea6\u4e0d\u968f\u4fe1\u606f\u53d8\u5316\u800c\u53d8\u5316\uff0c\u8fd9\u4f7f\u5f97\u5b83\u5bf9\u5916\u754c\u566a\u58f0\u7684\u5e72\u6270\u5177\u6709\u8f83\u5f3a\u7684\u62b5\u6297\u80fd\u529b\uff0c\u4ece\u800c\u4fdd\u8bc1\u4e86\u4fe1\u53f7\u7684\u8d28\u91cf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e7f\u6cdb\u5e94\u7528\u4e8e\u901a\u4fe1\u9886\u57df<\/strong>\uff1a\u9891\u7387\u8c03\u5236\u56e0\u5176\u72ec\u7279\u7684\u7279\u6027\u548c\u4f18\u70b9\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8c03\u9891\u5e7f\u64ad\u3001\u7535\u89c6\u4f34\u97f3\u3001\u5fae\u6ce2\u901a\u4fe1\u7b49\u9886\u57df\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<strong>\u9891\u7387\u8c03\u5236\u901a\u8fc7\u6539\u53d8\u8f7d\u6ce2\u4fe1\u53f7\u7684\u9891\u7387\u6765\u4f20\u9012\u4fe1\u606f\uff0c\u5176\u7279\u70b9\u662f\u8f7d\u6ce2\u7684\u5e45\u5ea6\u4fdd\u6301\u4e0d\u53d8\uff0c\u800c\u9891\u7387\u968f\u8c03\u5236\u4fe1\u53f7\u7684\u53d8\u5316\u800c\u53d8\u5316\uff0c\u8fd9\u4f7f\u5f97\u9891\u7387\u8c03\u5236\u5728\u6297\u5e72\u6270\u80fd\u529b\u4e0a\u8868\u73b0\u4f18\u5f02\uff0c\u5e76\u4e14\u5728\u901a\u4fe1\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 \u9891\u7387\u8c03\u5236\u7684\u5386\u53f2\u53d1\u5c55\u548c\u5173\u952e\u6280\u672f\u7a81\u7834\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000\u9891\u7387\u8c03\u5236\u6280\u672f\u7684\u5386\u53f2\u53d1\u5c55\u548c\u5173\u952e\u6280\u672f\u7a81\u7834\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u3000\u5386\u53f2\u53d1\u5c55\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u9891\u7387\u8c03\u5236\u6280\u672f\u7684\u65e9\u671f\u5e94\u7528\u53ef\u4ee5\u8ffd\u6eaf\u52301897\u5e74\uff0c\u5f53\u65f6\u6cd5\u56fd\u4ebaE.\u6885\u5361\u8fea\u57c3\u5f00\u59cb\u8fdb\u884c\u591a\u8def\u97f3\u9891\u7535\u62a5\u8bd5\u9a8c\uff0c\u901a\u8fc7\u4f7f\u7528\u4e0d\u540c\u9891\u7387\u7684\u97f3\u53c9\u632f\u8361\u5668\u6765\u53d1\u9001\u4fe1\u606f\uff0c\u63a5\u6536\u7aef\u5219\u4f7f\u7528\u8c10\u632f\u4e8e\u76f8\u5e94\u53d1\u9001\u9891\u7387\u7684\u632f\u52a8\u819c\u6765\u63a5\u6536\u4fe1\u606f\u3002\u8fd9\u4e00\u65f6\u671f\u7684\u6280\u672f\u5c1d\u8bd5\u4e3a\u540e\u6765\u7684\u9891\u7387\u8c03\u5236\u6280\u672f\u5960\u5b9a\u4e86\u57fa\u7840\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u3000\u6280\u672f\u7a81\u7834\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u572820\u4e16\u7eaa60\u5e74\u4ee3\u4e2d\u671f\uff0c\u8c03\u9891\u7acb\u4f53\u58f0\u6280\u672f\u5f97\u5230\u4e86\u98de\u901f\u7684\u53d1\u5c55\uff0c\u8fd9\u6807\u5fd7\u7740\u8c03\u9891\u6280\u672f\u5728\u5e7f\u64ad\u9886\u57df\u7684\u91cd\u5927\u8fdb\u6b65\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u8fdb\u516521\u4e16\u7eaa\u540e\uff0c\u968f\u7740\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u7684\u5feb\u901f\u53d1\u5c55\uff0c\u9891\u7387\u8c03\u5236\u6280\u672f\u4e5f\u7ecf\u5386\u4e86\u65b0\u7684\u7a81\u7834\u3002\u4f8b\u5982\uff0c\u7f51\u7edc\u901a\u4fe1\u7814\u7a76\u9662\u5728\u5317\u4eac\u7814\u53d1\u4e2d\u5fc3\u592a\u8d6b\u5179\u901a\u4fe1\u56e2\u961f\u7ecf\u8fc7\u523b\u82e6\u653b\u5173\uff0c\u7a81\u7834\u4e86RTO\u5668\u4ef6\u81ea\u4e3b\u7814\u5236\u3001RTO\u4e0e\u5176\u4ed6\u5668\u4ef6\u96c6\u6210\u548cRTO\u529f\u7387\u63d0\u5347\u7b49\u5173\u952e\u6280\u672f\uff0c\u5b9e\u73b0\u4e86\u592a\u8d6b\u5179RTO\u8f90\u5c04\u6e901THz\u9891\u7387\u7684\u7a81\u7834\u3002\u8fd9\u4e00\u6210\u679c\u4e0d\u4ec5\u63a8\u52a8\u4e86\u592a\u8d6b\u5179\u901a\u4fe1\u6280\u672f\u7684\u53d1\u5c55\uff0c\u4e5f\u4e3a\u672a\u67656G\u901a\u4fe1\u7684\u5173\u952e\u6280\u672f\u4e4b\u4e00\u2014\u2014\u57fa\u4e8e\u7535\u5b50\u5b66\u7684\u592a\u8d6b\u5179\u9ad8\u901f\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u63d0\u4f9b\u4e86\u91cd\u8981\u7684\u79d1\u5b66\u6210\u679c\u548c\u6280\u672f\u652f\u6301\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0c\u6df7\u9891\u5668\u6280\u672f\u7684\u53d1\u5c55\u4e5f\u662f\u9891\u7387\u8c03\u5236\u6280\u672f\u7684\u4e00\u4e2a\u91cd\u8981\u7a81\u7834\u70b9\u3002\u6df7\u9891\u5668\u80fd\u591f\u5c06\u4e24\u4e2a\u4e0d\u540c\u9891\u7387\u7684\u4fe1\u53f7\u6df7\u5408\uff0c\u4ea7\u751f\u7b2c\u4e09\u4e2a\u9891\u7387\u7684\u4fe1\u53f7\uff0c\u8fd9\u4e00\u8fc7\u7a0b\u6d89\u53ca\u4fe1\u53f7\u52a0\u6cd5\u3001\u9891\u7387\u5408\u6210\u548c\u4fe1\u53f7\u51cf\u6cd5\u4e09\u4e2a\u6b65\u9aa4\u3002\u6df7\u9891\u5668\u5728\u901a\u4fe1\u7cfb\u7edf\u3001\u96f7\u8fbe\u7cfb\u7edf\u548c\u7535\u5b50\u6218\u7cfb\u7edf\u4e2d\u5177\u6709\u5e7f\u6cdb\u5e94\u7528\uff0c\u80fd\u591f\u5b9e\u73b0\u4fe1\u53f7\u7684\u9891\u7387\u8f6c\u6362\u3001\u8c03\u5236\u3001\u89e3\u8c03\u548c\u5904\u7406\u7b49\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u9891\u7387\u8c03\u5236\u6280\u672f\u4ece19\u4e16\u7eaa\u672b\u671f\u7684\u57fa\u7840\u8bd5\u9a8c\u53d1\u5c55\u523020\u4e16\u7eaa\u4e2d\u671f\u7684\u5e7f\u64ad\u5e94\u7528\uff0c\u518d\u523021\u4e16\u7eaa\u7684\u592a\u8d6b\u5179\u901a\u4fe1\u548c\u6df7\u9891\u5668\u6280\u672f\u7684\u7a81\u7834\uff0c\u5c55\u73b0\u4e86\u5176\u5728\u901a\u4fe1\u9886\u57df\u7684\u91cd\u8981\u5730\u4f4d\u548c\u4e0d\u65ad\u8fdb\u6b65\u7684\u6280\u672f\u7279\u70b9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 \u5982\u4f55\u5b9e\u73b0\u9891\u7387\u8c03\u5236\u7684\u7cbe\u786e\u63a7\u5236\u4ee5\u63d0\u9ad8\u901a\u4fe1\u8d28\u91cf?<\/h2>\n\n\n\n<p>\u3000\u3000<strong>\u5b9e\u73b0\u9891\u7387\u8c03\u5236\u7684\u7cbe\u786e\u63a7\u5236\u4ee5\u63d0\u9ad8\u901a\u4fe1\u8d28\u91cf\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u91c7\u7528PWM\u8109\u51b2\u9891\u7387\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u901a\u8fc7\u6539\u53d8\u8109\u51b2\u5bbd\u5ea6\u548c\u9891\u7387\uff0c\u53ef\u4ee5\u7cbe\u786e\u5730\u8c03\u8282\u8f93\u51fa\u4fe1\u53f7\u7684\u5e45\u503c\u548c\u9891\u8c31\u7279\u6027\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u80fd\u591f\u5b9e\u73b0\u7cbe\u786e\u63a7\u5236\uff0c\u8fd8\u80fd\u901a\u8fc7\u8f83\u4f4e\u7684\u5f00\u5173\u635f\u8017\u5b9e\u73b0\u9ad8\u6548\u80fd\u91cf\u4f20\u8f93\uff0c\u4e14\u6613\u4e8e\u5229\u7528Simulink\u7b49\u5de5\u5177\u5b9e\u73b0\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5229\u7528\u76f4\u63a5\u6570\u5b57\u5408\u6210(DDS)\u6280\u672f<\/strong>\uff1a\u901a\u8fc7\u5b9e\u65f6\u6539\u53d8\u76f4\u63a5\u6570\u5b57\u5408\u6210\u7684\u9891\u7387\u63a7\u5236\u5b57\uff0c\u53ef\u4ee5\u76f4\u63a5\u5b9e\u73b0\u6ce2\u5f62\u9891\u7387\u8c03\u5236\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9ad8\u901f\u6ce2\u5f62\u4ea7\u751f\u53ca\u9891\u7387\u8c03\u5236\uff0c\u6709\u52a9\u4e8e\u63d0\u9ad8\u901a\u4fe1\u7cfb\u7edf\u7684\u6027\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e94\u7528FSK(\u9891\u79fb\u952e\u63a7)\u6280\u672f<\/strong>\uff1a\u5728\u6570\u5b57\u9891\u7387\u8c03\u5236\u4e2d\uff0c\u57fa\u5e26\u7684\u4e8c\u8fdb\u5236\u6570\u5b57\u4fe1\u53f7\u63a7\u5236\u8f7d\u6ce2\u7684\u9891\u7387\u53d8\u5316\uff0c\u4ece\u800c\u5b9e\u73b0\u5bf9\u4fe1\u53f7\u7684\u7cbe\u786e\u63a7\u5236\u3002\u8fd9\u79cd\u6280\u672f\u4e3b\u8981\u6d89\u53ca\u5230\u6570\u5b57\u9891\u7387\u8c03\u5236\uff0c\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u7cbe\u5ea6\u63a7\u5236\u7684\u573a\u5408\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u91c7\u7528\u8c03\u9891(FM)\u6280\u672f<\/strong>\uff1a\u9891\u7387\u8c03\u5236\u662f\u4e00\u79cd\u4f7f\u53d7\u8c03\u6ce2\u77ac\u65f6\u9891\u7387\u968f\u8c03\u5236\u4fe1\u53f7\u800c\u53d8\u7684\u8c03\u5236\u65b9\u6cd5\u3002\u901a\u8fc7\u7cbe\u786e\u63a7\u5236\u8f7d\u6ce2\u7684\u77ac\u65f6\u9891\u7387\uff0c\u53ef\u4ee5\u6839\u636e\u6240\u9700\u4f20\u9012\u4fe1\u53f7\u7684\u53d8\u5316\u89c4\u5f8b\u8fdb\u884c\u8c03\u6574\uff0c\u4ece\u800c\u63d0\u9ad8\u901a\u4fe1\u8d28\u91cf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5b9e\u65bd\u6b63\u4ea4\u5e45\u5ea6\u8c03\u5236(QAM)\u548c\u9891\u5206\u590d\u7528\u8c03\u5236(FDM)\u6280\u672f<\/strong>\uff1a\u8fd9\u4e9b\u6280\u672f\u5206\u522b\u7528\u4e8e\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u548c\u4fe1\u53f7\u7684\u4e0d\u540c\u90e8\u5206\u5206\u914d\u7ed9\u4e0d\u540c\u7684\u9891\u7387\u8303\u56f4\uff0c\u6bcf\u4e2a\u90e8\u5206\u90fd\u5728\u5176\u5206\u914d\u7684\u9891\u5e26\u5185\u8fdb\u884c\u8c03\u5236\u3002\u8fd9\u4e9b\u6280\u672f\u6709\u52a9\u4e8e\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u901a\u4fe1\u7cfb\u7edf\u7684\u5bb9\u91cf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f18\u5316\u5929\u7ebf\u8bbe\u8ba1\u548c\u91c7\u7528MIMO\u6280\u672f<\/strong>\uff1a\u901a\u8fc7\u4f18\u5316\u5929\u7ebf\u8bbe\u8ba1\u548c\u91c7\u7528\u591a\u8f93\u5165\u591a\u8f93\u51fa(MIMO)\u6280\u672f\uff0c\u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u4fe1\u53f7\u8870\u51cf\uff0c\u63d0\u9ad8\u63a5\u6536\u7aef\u7684\u4fe1\u53f7\u8d28\u91cf\uff0c\u4ece\u800c\u6539\u5584SINR\u503c\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u901a\u4fe1\u8d28\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u7efc\u5408\u8fd0\u7528\u4e0a\u8ff0\u6280\u672f\u548c\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9891\u7387\u8c03\u5236\u7684\u7cbe\u786e\u63a7\u5236\uff0c\u4ece\u800c\u663e\u8457\u63d0\u9ad8\u901a\u4fe1\u8d28\u91cf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u9891\u7387\u8c03\u5236\u4e0e\u5176\u4ed6\u8c03\u5236\u65b9\u5f0f(\u5982AM\u3001PM)\u76f8\u6bd4\u6709\u54ea\u4e9b\u4f18\u52bf\u548c\u52a3\u52bf?<\/h2>\n\n\n\n<p>\u3000\u3000\u9891\u7387\u8c03\u5236(FM)\u4e0e\u5176\u4ed6\u8c03\u5236\u65b9\u5f0f(\u5982AM\u3001PM)\u76f8\u6bd4\uff0c\u5177\u6709\u4ee5\u4e0b\u4f18\u52bf\u548c\u52a3\u52bf\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u3000\u4f18\u52bf\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u6297\u566a\u80fd\u529b\u5f3a\uff1a\u9891\u7387\u8c03\u5236\u80fd\u591f\u9650\u5236\u4fe1\u53f7\u4e0a\u7684\u5e45\u5ea6\u566a\u58f0\uff0c\u56e0\u4e3a\u53ea\u6709\u9891\u7387\u53d8\u5316\u624d\u80fd\u643a\u5e26\u6240\u9700\u7684\u4fe1\u606f\uff0c\u8fd9\u6709\u52a9\u4e8e\u63d0\u9ad8\u4fe1\u53f7\u7684\u4f20\u8f93\u8d28\u91cf\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u4f20\u8f93\u8d28\u91cf\u7a33\u5b9a\u3001\u7cbe\u51c6\uff1a\u7531\u4e8e\u9891\u7387\u8c03\u5236\u7684\u7279\u6027\uff0c\u5b83\u5728\u8fdc\u8ddd\u79bb\u4f20\u8f93\u65f6\u80fd\u591f\u4fdd\u6301\u8f83\u9ad8\u7684\u4f20\u8f93\u8d28\u91cf\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u53ef\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u4f20\u8f93\uff1a\u5c3d\u7ba1\u5b58\u5728\u4e00\u4e9b\u9650\u5236\uff0c\u9891\u7387\u8c03\u5236\u4ecd\u7136\u53ef\u4ee5\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u4f20\u8f93\uff0c\u5c24\u5176\u662f\u5728\u4e0d\u53d7\u5e72\u6270\u7684\u60c5\u51b5\u4e0b\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u9891\u8c31\u5229\u7528\u7387\u9ad8\uff1a\u76f8\u5bf9\u4e8e\u5176\u4ed6\u8c03\u5236\u65b9\u5f0f\uff0c\u9891\u7387\u8c03\u5236\u5728\u9891\u8c31\u5229\u7528\u4e0a\u66f4\u4e3a\u9ad8\u6548\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u3000\u52a3\u52bf\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u7535\u8def\u590d\u6742\u5ea6\u9ad8\uff1a\u9891\u7387\u8c03\u5236\u7684\u7535\u8def\u76f8\u5bf9\u590d\u6742\uff0c\u8fd9\u53ef\u80fd\u4f1a\u589e\u52a0\u7cfb\u7edf\u7684\u5f00\u53d1\u548c\u7ef4\u62a4\u6210\u672c\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u4fe1\u53f7\u4f20\u8f93\u8ddd\u79bb\u6709\u9650\uff1a\u76f8\u6bd4\u4e8e\u8c03\u5e45\u8c03\u5236(AM)\uff0c\u9891\u7387\u8c03\u5236(FM)\u7684\u4fe1\u53f7\u4f20\u8f93\u8ddd\u79bb\u53d7\u5230\u9891\u7387\u504f\u79fb\u7684\u5f71\u54cd\u8f83\u5927\uff0c\u56e0\u6b64\u5176\u4f20\u8f93\u8ddd\u79bb\u76f8\u5bf9\u6709\u9650\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u9891\u8c31\u6548\u7387\u4f4e\uff1a\u867d\u7136\u9891\u7387\u8c03\u5236\u5728\u9891\u8c31\u5229\u7528\u4e0a\u6709\u5176\u4f18\u52bf\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5176\u9891\u8c31\u6548\u7387\u53ef\u80fd\u4e0d\u5982\u5176\u4ed6\u8c03\u5236\u65b9\u5f0f\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u9891\u7387\u8c03\u5236(FM)\u5728\u6297\u566a\u80fd\u529b\u3001\u4f20\u8f93\u8d28\u91cf\u548c\u7a33\u5b9a\u6027\u65b9\u9762\u5177\u6709\u660e\u663e\u4f18\u52bf\uff0c\u9002\u5408\u4e8e\u9700\u8981\u9ad8\u8d28\u91cf\u901a\u4fe1\u7684\u573a\u666f\u3002\u7136\u800c\uff0c\u5b83\u4e5f\u9762\u4e34\u7740\u7535\u8def\u590d\u6742\u5ea6\u9ad8\u3001\u4fe1\u53f7\u4f20\u8f93\u8ddd\u79bb\u6709\u9650\u548c\u9891\u8c31\u6548\u7387\u76f8\u5bf9\u8f83\u4f4e\u7684\u6311\u6218\u3002\u8fd9\u4e9b\u7279\u70b9\u51b3\u5b9a\u4e86\u9891\u7387\u8c03\u5236\u5728\u7279\u5b9a\u5e94\u7528\u573a\u666f\u4e0b\u7684\u9002\u7528\u6027\uff0c\u540c\u65f6\u4e5f\u63d0\u793a\u4e86\u5728\u9009\u62e9\u8c03\u5236\u65b9\u5f0f\u65f6\u9700\u8981\u6839\u636e\u5177\u4f53\u9700\u6c42\u8fdb\u884c\u6743\u8861\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 \u5728\u73b0\u4ee3\u901a\u4fe1\u6280\u672f\u4e2d\uff0c\u9891\u7387\u8c03\u5236\u7684\u5e94\u7528\u6848\u4f8b\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u73b0\u4ee3\u901a\u4fe1\u6280\u672f\u4e2d\uff0c\u9891\u7387\u8c03\u5236(FM)\u7684\u5e94\u7528\u6848\u4f8b\u5e7f\u6cdb\u4e14\u591a\u6837\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5177\u4f53\u7684\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u79fb\u52a8\u901a\u4fe1\uff1a\u57281G\u6a21\u62df\u8702\u7a9d\u79fb\u52a8\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u901a\u8fc7\u6a21\u62df\u9891\u7387\u8c03\u5236\u4e0e\u9891\u5206\u591a\u5740(FDMA)\u6280\u672f\uff0c\u5b9e\u73b0\u4e86\u70b9\u5bf9\u70b9\u7684\u8bed\u97f3\u901a\u4fe1\u3002\u8fd9\u8868\u660e\u9891\u7387\u8c03\u5236\u5728\u65e9\u671f\u79fb\u52a8\u901a\u4fe1\u6280\u672f\u4e2d\u626e\u6f14\u4e86\u91cd\u8981\u89d2\u8272\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u65e0\u7ebf\u5bf9\u8bb2\u673a\uff1a\u65e0\u7ebf\u5bf9\u8bb2\u673a\u5229\u7528\u9891\u7387\u8c03\u5236\u6280\u672f\u5b9e\u73b0\u8bed\u97f3\u7684\u70b9\u5bf9\u70b9\u65e0\u7ebf\u901a\u4fe1\u3002\u8fd9\u4e9b\u8bbe\u5907\u5de5\u4f5c\u5728VHF\u548cUHF\u9891\u6bb5\uff0c\u652f\u6301\u591a\u4eba\u540c\u65f6\u8fdb\u884c\u901a\u4fe1\uff0c\u4f7f\u5f97\u591a\u4eba\u80fd\u591f\u540c\u65f6\u542c\u5230\u4e00\u4e2a\u4eba\u8bf4\u8bdd\u3002\u8fd9\u79cd\u5e94\u7528\u5c55\u793a\u4e86\u9891\u7387\u8c03\u5236\u5728\u7d27\u6025\u901a\u4fe1\u3001\u56e2\u961f\u534f\u4f5c\u7b49\u573a\u666f\u4e2d\u7684\u5b9e\u7528\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u30004G LTE\u6280\u672f\uff1a\u867d\u71364G LTE\u6280\u672f\u4e3b\u8981\u4f9d\u8d56\u4e8eQAM\u6b63\u4ea4\u5e45\u5ea6\u8c03\u5236\u3001OFDM\u6b63\u4ea4\u9891\u5206\u590d\u7528\u7b49\u6280\u672f\uff0c\u4f46\u9891\u7387\u8c03\u5236\u4f5c\u4e3a\u5176\u4e2d\u7684\u4e00\u79cd\u57fa\u672c\u8c03\u5236\u65b9\u5f0f\uff0c\u5bf9\u4e8e\u7406\u89e3\u73b0\u4ee3\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u4fe1\u53f7\u5904\u7406\u548c\u4f20\u8f93\u673a\u5236\u4ecd\u7136\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u7269\u8054\u7f51\u901a\u4fe1\uff1a\u5728\u7269\u8054\u7f51\u9886\u57df\uff0cLoRa\u6280\u672f\u4f7f\u7528CSS(Chirp Spread 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