\u3000\u3000\u8d85\u5916\u5dee(superheterodyne)<\/strong>\u662f\u4e00\u79cd\u65e0\u7ebf\u7535\u63a5\u6536\u6280\u672f\uff0c\u4e3b\u8981\u7528\u4e8e\u5c06\u63a5\u6536\u5230\u7684\u9ad8\u9891\u4fe1\u53f7\u8f6c\u6362\u4e3a\u56fa\u5b9a\u9891\u7387\u7684\u4e2d\u9891\u4fe1\u53f7\u3002\u5176\u57fa\u672c\u539f\u7406\u662f\u5229\u7528\u4e00\u4e2a\u53ef\u53d8\u7684\u632f\u8361\u5668(\u672c\u673a\u632f\u8361\u5668)\u4ea7\u751f\u7684\u9ad8\u9891\u7535\u78c1\u6ce2\u4e0e\u6240\u63a5\u6536\u7684\u9ad8\u9891\u4fe1\u53f7\u6df7\u5408\uff0c\u4ece\u800c\u4ea7\u751f\u4e00\u4e2a\u5dee\u9891\uff0c\u8fd9\u4e2a\u5dee\u9891\u5c31\u662f\u4e2d\u9891\u4fe1\u53f7\u3002<\/p>\n\n\n\n
\u3000\u3000\u5728\u8d85\u5916\u5dee\u63a5\u6536\u673a\u4e2d\uff0c\u672c\u632f\u9891\u7387(f LO)\u5927\u4e8e\u8f7d\u6ce2\u9891\u7387(f c)\uff0c\u8fd9\u79cd\u914d\u7f6e\u79f0\u4e3a\u201c\u9ad8\u8fb9\u6ce8\u5165\u201d(high-side injection)\u3002<\/strong>\u4f8b\u5982\uff0c\u5982\u679c\u8981\u63a5\u6536\u7684\u4fe1\u53f7\u9891\u7387\u662f900 kHz\uff0c\u672c\u632f\u9891\u7387\u53ef\u4ee5\u8bbe\u7f6e\u4e3a1365 kHz\uff0c\u901a\u8fc7\u4e24\u8005\u7684\u6df7\u5408\u53ef\u4ee5\u4ea7\u751f465 kHz\u7684\u4e2d\u9891\u4fe1\u53f7\u3002<\/p>\n\n\n\n
\u3000\u3000\u8d85\u5916\u5dee\u63a5\u6536\u673a\u7531\u6df7\u9891\u5668\u7535\u8def\u3001\u4e00\u4e2a\u7a33\u5b9a\u7684\u672c\u5730\u632f\u8361\u5668\u548c\u56fa\u5b9a\u9891\u7387\u7684\u9ad8\u589e\u76ca\u5e26\u901a\u653e\u5927\u5668\u7ec4\u6210\uff0c\u8fd9\u4e9b\u7ec4\u4ef6\u5171\u540c\u4f5c\u7528\u4ee5\u4ea7\u751f\u7a33\u5b9a\u7684\u540e\u7eed\u4fe1\u53f7\u3002<\/strong><\/p>\n\n\n\n
\u3000\u3000\u8d85\u5916\u5dee\u662f\u4e00\u79cd\u901a\u8fc7\u672c\u632f\u9891\u7387\u9ad8\u4e8e\u8f7d\u6ce2\u9891\u7387\u6765\u5b9e\u73b0\u4fe1\u53f7\u53d8\u9891\u7684\u6280\u672f\uff0c\u4e3b\u8981\u7528\u4e8e\u63d0\u9ad8\u8fdc\u7a0b\u901a\u4fe1\u5bf9\u9ad8\u9891\u7387\u3001\u5f31\u5c0f\u4fe1\u53f7\u63a5\u6536\u7684\u80fd\u529b\u3002<\/p>\n\n\n\n
\u3000\u3000\u8d85\u5916\u5dee\u63a5\u6536\u673a\u7684\u5386\u53f2\u53d1\u5c55\u548c\u6280\u672f\u6f14\u8fdb\u53ef\u4ee5\u8ffd\u6eaf\u523020\u4e16\u7eaa\u521d\u3002\u8d85\u5916\u5dee\u539f\u7406\u6700\u65e9\u7531E.H.\u963f\u59c6\u65af\u7279\u6717\u4e8e1918\u5e74\u63d0\u51fa\uff0c\u76ee\u7684\u662f\u4e3a\u4e86\u9002\u5e94\u8fdc\u7a0b\u901a\u4fe1\u5bf9\u9ad8\u9891\u7387\u3001\u5f31\u4fe1\u53f7\u63a5\u6536\u7684\u9700\u8981\u3002\u963f\u59c6\u65af\u7279\u6717\u7684\u53d1\u660e\u5e76\u672a\u7acb\u5373\u6295\u5165\u5b9e\u9645\u5e94\u7528\uff0c\u4f46\u5176\u4e13\u5229\u7533\u8bf7\u4e8e1919\u5e742\u670819\u65e5\u63d0\u4ea4\u3002<\/p>\n\n\n\n
\u3000\u3000\u8d85\u5916\u5dee\u63a5\u6536\u673a\u7684\u57fa\u672c\u5de5\u4f5c\u539f\u7406\u662f\u5229\u7528\u672c\u5730\u4ea7\u751f\u7684\u632f\u8361\u6ce2\u4e0e\u8f93\u5165\u4fe1\u53f7\u8fdb\u884c\u6df7\u9891\uff0c\u5c06\u8f93\u5165\u4fe1\u53f7\u9891\u7387\u53d8\u6362\u4e3a\u67d0\u4e2a\u9884\u5148\u786e\u5b9a\u7684\u9891\u7387\u3002\u8fd9\u79cd\u63a5\u6536\u673a\u7ed3\u6784\u81ea1917\u5e74\u9996\u6b21\u51fa\u73b0\u4ee5\u6765\uff0c\u4e00\u76f4\u662f\u63a5\u6536\u673a\u8bbe\u8ba1\u7684\u4e3b\u8981\u5f62\u5f0f\u3002\u5728\u8d85\u5916\u5dee\u63a5\u6536\u673a\u4e2d\uff0c\u901a\u5e38\u9700\u8981\u4e24\u4e2a\u6216\u4ee5\u4e0a\u7684\u6df7\u9891\u7ed3\u6784\u3002<\/p>\n\n\n\n
\u3000\u3000\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u8d85\u5916\u5dee\u63a5\u6536\u673a\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528\u548c\u53d1\u5c55\u3002\u5b83\u4e0d\u4ec5\u88ab\u7528\u4e8eAM\u548cFM\u63a5\u6536\u673a\u3001\u7535\u89c6\u673a\u4ee5\u53ca\u96f7\u8fbe\u63a5\u6536\u8bbe\u5907\u7b49\uff0c\u8fd8\u56e0\u5176\u9ad8\u9891\u7387\u3001\u5f31\u4fe1\u53f7\u63a5\u6536\u7684\u80fd\u529b\u800c\u88ab\u5e7f\u6cdb\u5e94\u7528\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u76f4\u52302000\u5e74\uff0c\u51fa\u73b0\u4e86\u96f6\u4e2d\u9891\u63a5\u6536\u673a\uff0c\u8fd9\u79cd\u65b0\u578b\u63a5\u6536\u673a\u7ed3\u6784\u66f4\u9002\u5408\u5b8c\u5168\u96c6\u6210\u5b9e\u73b0\u3002<\/p>\n\n\n\n
\u3000\u3000\u8d85\u5916\u5dee\u63a5\u6536\u673a\u5728\u73b0\u4ee3\u901a\u4fe1\u6280\u672f\u4e2d\u6709\u591a\u79cd\u5177\u4f53\u5e94\u7528\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4e3b\u8981\u7684\u5e94\u7528\u5b9e\u4f8b\uff1a<\/p>\n\n\n\n
\u3000\u3000\u8bbe\u8ba1\u4e00\u4e2a\u9ad8\u8fb9\u6ce8\u5165\u7684\u8d85\u5916\u5dee\u63a5\u6536\u673a\u9700\u8981\u8003\u8651\u591a\u4e2a\u5173\u952e\u7ec4\u4ef6\u548c\u53c2\u6570\u8bbe\u7f6e\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u8bbe\u8ba1\u6b65\u9aa4\u548c\u5fc5\u8981\u7684\u7535\u8def\u7ec4\u4ef6\uff1a<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd\uff1a\u5c06\u5929\u7ebf\u63a5\u6536\u5230\u7684\u5fae\u5f31\u9ad8\u9891\u4fe1\u53f7\u8fdb\u884c\u521d\u6b65\u653e\u5927\u3002<\/p>\n\n\n\n
\u3000\u3000\u53c2\u6570\uff1a\u9009\u62e9\u5408\u9002\u7684\u653e\u5927\u5668\u4ee5\u786e\u4fdd\u4fe1\u53f7\u4e0d\u5931\u771f\u5730\u653e\u5927\u5230\u6240\u9700\u7684\u4e2d\u9891(IF)\u6c34\u5e73\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd\uff1a\u5c06\u9ad8\u9891\u4fe1\u53f7\u4e0e\u672c\u5730\u632f\u8361\u5668\u4ea7\u751f\u7684\u9891\u7387\u4fe1\u53f7\u8fdb\u884c\u6df7\u9891\uff0c\u751f\u6210\u6240\u9700\u7684\u4e2d\u9891\u4fe1\u53f7\u3002<\/p>\n\n\n\n
\u3000\u3000\u53c2\u6570\uff1a\u9009\u62e9\u5408\u9002\u7684\u6df7\u9891\u5668\u4ee5\u5b9e\u73b0\u9ad8\u6548\u7684\u9891\u7387\u8f6c\u6362\uff0c\u5e76\u6291\u5236\u955c\u50cf\u9891\u7387\u5e72\u6270\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd\uff1a\u63d0\u4f9b\u7a33\u5b9a\u7684\u53c2\u8003\u9891\u7387\uff0c\u7528\u4e8e\u4e0e\u8f93\u5165\u4fe1\u53f7\u8fdb\u884c\u6df7\u9891\u3002<\/p>\n\n\n\n
\u3000\u3000\u53c2\u6570\uff1a\u9009\u62e9\u7a33\u5b9a\u7684\u632f\u8361\u5668\uff0c\u5982\u897f\u52d2\u7535\u8def\u6216\u58f0\u8868\u9762\u6ce2\u8c10\u632f\u8361\u5668\uff0c\u4ee5\u786e\u4fdd\u9891\u7387\u7684\u7a33\u5b9a\u6027\u548c\u51c6\u786e\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd\uff1a\u4ece\u6df7\u9891\u540e\u7684\u4fe1\u53f7\u4e2d\u9009\u62e9\u6240\u9700\u7684\u4e2d\u9891\u4fe1\u53f7\uff0c\u6291\u5236\u5176\u4ed6\u9891\u7387\u7684\u5e72\u6270\u3002<\/p>\n\n\n\n
\u3000\u3000\u53c2\u6570\uff1a\u8bbe\u8ba1\u5408\u9002\u7684\u5e26\u5bbd\u548c\u622a\u6b62\u9891\u7387\uff0c\u4ee5\u786e\u4fdd\u4fe1\u53f7\u7684\u9009\u62e9\u6027\u548c\u6291\u5236\u955c\u50cf\u9891\u7387\u5e72\u6270\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd\uff1a\u8fdb\u4e00\u6b65\u653e\u5927\u7ecf\u8fc7\u5e26\u901a\u6ee4\u6ce2\u5668\u540e\u7684\u4e2d\u9891\u4fe1\u53f7\u3002<\/p>\n\n\n\n
\u3000\u3000\u53c2\u6570\uff1a\u9009\u62e9\u5408\u9002\u7684\u653e\u5927\u5668\u4ee5\u786e\u4fdd\u4fe1\u53f7\u4e0d\u5931\u771f\u5730\u653e\u5927\u5230\u68c0\u6ce2\u5668\u6240\u9700\u7684\u7535\u5e73\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd\uff1a\u5c06\u4e2d\u9891\u4fe1\u53f7\u8f6c\u6362\u4e3a\u76f4\u6d41\u4fe1\u53f7\uff0c\u4ee5\u4fbf\u540e\u7eed\u5904\u7406\u3002<\/p>\n\n\n\n
\u3000\u3000\u53c2\u6570\uff1a\u9009\u62e9\u5408\u9002\u7684\u68c0\u6ce2\u6280\u672f\uff0c\u5982\u5305\u7edc\u68c0\u6ce2\u6216\u5cf0\u503c\u68c0\u6ce2\uff0c\u4ee5\u5b9e\u73b0\u9ad8\u6548\u7684\u4fe1\u53f7\u89e3\u8c03\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd\uff1a\u5c06\u68c0\u6ce2\u540e\u7684\u76f4\u6d41\u4fe1\u53f7\u8fdb\u884c\u653e\u5927\uff0c\u4ee5\u9a71\u52a8\u8033\u673a\u6216\u5176\u4ed6\u8f93\u51fa\u8bbe\u5907\u3002<\/p>\n\n\n\n
\u3000\u3000\u53c2\u6570\uff1a\u9009\u62e9\u5408\u9002\u7684\u653e\u5927\u5668\u4ee5\u786e\u4fdd\u4fe1\u53f7\u4e0d\u5931\u771f\u5730\u653e\u5927\u5230\u6240\u9700\u7684\u8f93\u51fa\u6c34\u5e73\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd\uff1a\u6291\u5236\u7531\u4e8e\u6df7\u9891\u4ea7\u751f\u7684\u955c\u50cf\u9891\u7387\u5e72\u6270\u3002<\/p>\n\n\n\n
\u3000\u3000\u53c2\u6570\uff1a\u8bbe\u8ba1\u5408\u9002\u7684\u6ee4\u6ce2\u5668\u4ee5\u786e\u4fdd\u6709\u6548\u7684\u955c\u50cf\u6291\u5236\u3002<\/p>\n\n\n\n
\u3000\u3000\u529f\u80fd\uff1a\u4fdd\u62a4\u540e\u7eed\u7535\u8def\u514d\u53d7\u524d\u7ea7\u7535\u8def\u7684\u7535\u538b\u51b2\u51fb\u3002<\/p>\n\n\n\n
\u3000\u3000\u53c2\u6570\uff1a\u9009\u62e9\u5408\u9002\u7684\u7f13\u51b2\u5668\u4ee5\u786e\u4fdd\u4fe1\u53f7\u7684\u5e73\u6ed1\u8fc7\u6e21\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u8d85\u5916\u5dee\u63a5\u6536\u673a\u4e0e\u5176\u4ed6\u7c7b\u578b\u53d8\u9891\u6280\u672f(\u5982\u6570\u5b57\u53d8\u9891)\u76f8\u6bd4\uff0c\u5177\u6709\u4ee5\u4e0b\u4f18\u52bf\u548c\u52a3\u52bf\uff1a<\/p>\n\n\n\n
\u3000\u3000\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u6570\u5b57\u53d8\u9891\u6280\u672f(\u5982\u6570\u5b57\u4e0b\u53d8\u9891DDC)\u7684\u4f18\u52bf\u5305\u62ec\uff1a<\/p>\n\n\n\n
\u3000\u3000\u8d85\u5916\u5dee\u63a5\u6536\u673a\u5728\u6297\u5e72\u6270\u80fd\u529b\u548c\u63a5\u6536\u7075\u654f\u5ea6\u65b9\u9762\u5177\u6709\u660e\u663e\u4f18\u52bf\uff0c\u4f46\u5728\u7535\u8def\u590d\u6742\u5ea6\u3001\u6210\u672c\u548c\u8fd1\u8ddd\u79bb\u5f3a\u4fe1\u53f7\u5e72\u6270\u65b9\u9762\u5b58\u5728\u52a3\u52bf\u3002<\/p>\n\n\n\n
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\u3000\u3000\u6269\u9891\u901a\u4fe1\u6280\u672f\u5177\u6709\u591a\u79cd\u4f18\u70b9\uff0c\u4f8b\u5982\u9ad8\u901f\u3001\u6297\u5e72\u6270\u548c\u5b89\u5168\u7684\u6570\u636e\u4f20\u8f93\u80fd\u529b\u3002\u5b83\u5e7f\u6cdb\u5e94\u7528\u4e8e\u65e0\u7ebf\u5c40\u57df\u7f51\u3001\u79fb\u52a8\u901a\u4fe1\u3001\u519b\u4e8b\u901a\u4fe1\u548c\u5bbd\u5e26\u63a5\u5165\u7b49\u9886\u57df\u3002\u6b64\u5916\uff0c\u6269\u9891\u901a\u4fe1\u6280\u672f\u8fd8\u5229\u7528\u4e0e\u88ab\u4f20\u4fe1\u606f\u65e0\u5173\u7684\u51fd\u6570(\u6269\u9891\u51fd\u6570)\u5bf9\u88ab\u4f20\u4fe1\u606f\u8fdb\u884c\u5904\u7406\uff0c\u8fdb\u4e00\u6b65\u589e\u5f3a\u4e86\u5176\u6297\u5e72\u6270\u80fd\u529b\u548c\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
\u3000\u3000\u6269\u9891\u901a\u4fe1\u6280\u672f\u7684\u5386\u53f2\u53d1\u5c55\u548c\u5173\u952e\u91cc\u7a0b\u7891\u53ef\u4ee5\u8ffd\u6eaf\u523020\u4e16\u7eaa50\u5e74\u4ee3\u4e2d\u671f\uff0c\u4f46\u76f4\u523080\u5e74\u4ee3\u521d\uff0c\u6269\u9891\u6280\u672f\u4e3b\u8981\u5e94\u7528\u4e8e\u519b\u4e8b\u901a\u4fe1\u548c\u4fdd\u5bc6\u901a\u4fe1\u4e2d\u3002\u5728\u8fd9\u4e00\u65f6\u671f\uff0c\u519b\u4e8b\u6297\u5e72\u6270\u901a\u4fe1\u548c\u4e2a\u4eba\u901a\u4fe1\u4e1a\u52a1\u5bf9\u9891\u8c31\u5206\u914d\u7684\u8981\u6c42\u63a8\u52a8\u4e86\u6269\u9891\u6280\u672f\u7684\u53d1\u5c55\u3002<\/p>\n\n\n\n
\u3000\u3000\u6269\u9891\u6280\u672f\u7684\u5173\u952e\u91cc\u7a0b\u7891\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n
\u3000\u3000\u6269\u9891\u901a\u4fe1\u6280\u672f\u4ece\u6700\u521d\u7684\u519b\u4e8b\u5e94\u7528\u9010\u6b65\u6269\u5c55\u5230\u6c11\u7528\u9886\u57df\uff0c\u5e76\u5728\u7b2c\u56db\u4ee3\u79fb\u52a8\u901a\u4fe1\u7cfb\u7edf\u548c\u65b0\u5174\u7684LoRa\u6280\u672f\u4e2d\u5f97\u5230\u4e86\u8fdb\u4e00\u6b65\u7684\u53d1\u5c55\u548c\u5e94\u7528\u3002<\/p>\n\n\n\n
\u3000\u3000\u76f4\u63a5\u5e8f\u5217\u6269\u9891(DS)\u3001\u8df3\u9891\u5f0f\u6269\u9891(FH)\u548c\u8df3\u65f6\u5f0f\u6269\u9891(TH)\u662f\u4e09\u79cd\u4e0d\u540c\u7684\u6269\u9891\u901a\u4fe1\u6280\u672f\uff0c\u5b83\u4eec\u5404\u81ea\u6709\u4e0d\u540c\u7684\u5de5\u4f5c\u539f\u7406\u3002<\/p>\n\n\n\n
\u3000\u3000\u76f4\u63a5\u5e8f\u5217\u6269\u9891(Direct Sequence Spread Spectrum, DSSS)\u7684\u5de5\u4f5c\u539f\u7406\u662f\u5728\u53d1\u5c04\u7aef\u4f7f\u7528\u9ad8\u901f\u7387\u7684\u4f2a\u968f\u673a\u7801(PN\u7801)\u5e8f\u5217\u6765\u6269\u5c55\u4fe1\u53f7\u7684\u9891\u8c31\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u53d1\u9001\u7aef\u5c06\u8981\u4f20\u8f93\u7684\u6570\u636e\u4fe1\u606f\u4e0e\u4e00\u4e2a\u4f2a\u968f\u673a\u5e8f\u5217\u8fdb\u884c\u6a212\u8fd0\u7b97\uff0c\u751f\u6210\u590d\u5408\u7801\u5e8f\u5217\uff0c\u7136\u540e\u7528\u8fd9\u4e2a\u590d\u5408\u7801\u5e8f\u5217\u53bb\u6269\u5c55\u539f\u59cb\u4fe1\u53f7\u7684\u9891\u8c31\u3002\u5728\u63a5\u6536\u7aef\uff0c\u4f7f\u7528\u76f8\u540c\u7684\u4f2a\u968f\u673a\u7801\u5e8f\u5217\u8fdb\u884c\u89e3\u6269\uff0c\u628a\u5c55\u5bbd\u7684\u6269\u9891\u4fe1\u53f7\u8fd8\u539f\u6210\u539f\u59cb\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n
\u3000\u3000\u8df3\u9891\u5f0f\u6269\u9891(Frequency Hopping Spread Spectrum, FHSS)\u7684\u5de5\u4f5c\u539f\u7406\u662f\u901a\u8fc7\u5728\u9884\u5b9a\u7684\u8df3\u9891\u5468\u671f\u5185\uff0c\u6839\u636e\u8df3\u9891\u4fe1\u9053\u5217\u8868\u5207\u6362\u4e0d\u540c\u7684\u9891\u7387\u8fdb\u884c\u4fe1\u53f7\u4f20\u8f93\u3002\u6bcf\u4e2a\u6570\u636e\u5305\u7684\u90e8\u5206\u5185\u5bb9\u901a\u8fc7MCU\u7ba1\u7406\u8bbe\u7f6e\u7684\u8df3\u9891\u4fe1\u9053\u53d1\u9001\u51fa\u53bb\uff0c\u5728\u9884\u5b9a\u7684\u8df3\u9891\u5468\u671f\u7ed3\u675f\u540e\uff0c\u53d1\u5c04\u673a\u548c\u63a5\u6536\u673a\u5207\u6362\u5230\u4e0b\u4e00\u4e2a\u9884\u5b9a\u4e49\u7684\u4fe1\u9053\u7ee7\u7eed\u4f20\u8f93\u6570\u636e\u3002<\/p>\n\n\n\n
\u3000\u3000\u8df3\u65f6\u5f0f\u6269\u9891(Time Hopping Spread Spectrum, THSS)\u7684\u5de5\u4f5c\u539f\u7406\u662f\u5c06\u65f6\u95f4\u8f74\u5206\u6210\u8bb8\u591a\u65f6\u7247\uff0c\u5e76\u5728\u4e00\u5e27\u5185\u9009\u62e9\u7279\u5b9a\u7684\u65f6\u7247\u8fdb\u884c\u4fe1\u53f7\u4f20\u8f93\u3002\u53d1\u5c04\u4fe1\u53f7\u5728\u65f6\u95f4\u8f74\u4e0a\u8df3\u53d8\uff0c\u7531\u6269\u9891\u7801\u5e8f\u5217\u63a7\u5236\u5728\u4e00\u5e27\u5185\u54ea\u4e2a\u65f6\u7247\u53d1\u5c04\u4fe1\u53f7\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u7406\u89e3\u4e3a\u7528\u4e00\u5b9a\u7801\u5e8f\u5217\u8fdb\u884c\u9009\u62e9\u7684\u591a\u65f6\u7247\u7684\u65f6\u79fb\u952e\u63a7\u3002<\/p>\n\n\n\n
\u3000\u3000\u8fd9\u4e09\u79cd\u6269\u9891\u6280\u672f\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u3002DS\u5177\u6709\u9ad8\u5b89\u5168\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u4fdd\u5bc6\u6027\u7684\u901a\u4fe1;FH\u9002\u7528\u4e8e\u73af\u5883\u590d\u6742\u3001\u6613\u53d7\u5e72\u6270\u7684\u573a\u666f;<\/p>\n\n\n\n
\u3000\u3000\u6269\u9891\u901a\u4fe1\u6280\u672f\u7684\u6297\u5e72\u6270\u80fd\u529b\u4e3b\u8981\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u5b9e\u73b0\uff1a<\/p>\n\n\n\n
\u3000\u3000\u5728\u73b0\u4ee3\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u6269\u9891\u901a\u4fe1\u6280\u672f\u7684\u6700\u65b0\u5e94\u7528\u8d8b\u52bf\u548c\u672a\u6765\u53d1\u5c55\u65b9\u5411\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n
\u3000\u3000\u6269\u9891\u901a\u4fe1\u6280\u672f\u5728\u73b0\u4ee3\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u6700\u65b0\u5e94\u7528\u8d8b\u52bf\u548c\u672a\u6765\u53d1\u5c55\u65b9\u5411\u4e3b\u8981\u5305\u62ec\u591a\u884c\u4e1a\u878d\u5408\u521b\u65b0\u30015G\u901a\u4fe1\u3001\u65e0\u7ebf\u5c40\u57df\u7f51\u3001\u7269\u8054\u7f51\u3001\u6df1\u7a7a\u63a2\u6d4b\u4ee5\u53ca\u4fdd\u5bc6\u6027\u548c\u6297\u5e72\u6270\u6027\u7684\u8fdb\u4e00\u6b65\u63d0\u5347\u3002<\/p>\n\n\n\n
\u3000\u3000\u8bc4\u4f30\u548c\u6bd4\u8f83\u4e0d\u540c\u7c7b\u578b\u7684\u6269\u9891\u901a\u4fe1\u6280\u672f\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u6027\u80fd\u8868\u73b0\uff0c\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u8fdb\u884c\uff1a<\/p>\n\n\n\n
\u6269\u9891\u901a\u4fe1\u6280\u672f(Spread Spectrum Communication)\u662f\u4e00\u79cd\u901a\u8fc7\u6269\u5c55\u4fe1\u53f7\u5e26\u5bbd\u6765\u4f20\u8f93\u6570\u636e\u7684\u901a\u4fe1\u65b9\u5f0f\u3002\u5176\u6838\u5fc3\u601d\u60f3\u662f\u5c06\u539f\u59cb\u4fe1\u53f7\u4e0e\u4e00\u4e2a\u5bbd\u5e26\u7684\u6269\u9891\u5e8f\u5217\u76f8\u4e58\uff0c\u4ece\u800c\u5c55\u5bbd\u4fe1\u53f7\u7684\u9891\u8c31<\/p>\n","protected":false},"author":1,"featured_media":93298,"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":[217],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/94292"}],"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=94292"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/94292\/revisions"}],"predecessor-version":[{"id":94293,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/94292\/revisions\/94293"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/93298"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=94292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=94292"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=94292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":94290,"date":"2024-06-21T10:57:10","date_gmt":"2024-06-21T02:57:10","guid":{"rendered":"\/\/www.viralrail.com\/?p=94290"},"modified":"2024-06-21T10:57:16","modified_gmt":"2024-06-21T02:57:16","slug":"wlwznwgdzygn","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/94290.html","title":{"rendered":"\u7269\u8054\u7f51\u667a\u80fd\u7f51\u5173\u7684\u4e3b\u8981\u529f\u80fd"},"content":{"rendered":"\n
\u3000\u3000\u7269\u8054\u7f51\u667a\u80fd\u7f51\u5173<\/strong>\u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n
\u3000\u3000\u7269\u8054\u7f51\u667a\u80fd\u7f51\u5173\u5728\u7269\u8054\u7f51\u7cfb\u7edf\u4e2d\u626e\u6f14\u7740\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\uff0c\u901a\u8fc7\u534f\u8bae\u8f6c\u6362\u3001\u6570\u636e\u91c7\u96c6\u4e0e\u5904\u7406\u3001\u5b89\u5168\u4fdd\u62a4\u3001\u8bbe\u5907\u7ba1\u7406\u3001\u8fb9\u7f18\u8ba1\u7b97\u7b49\u591a\u79cd\u529f\u80fd\uff0c\u5b9e\u73b0\u4e86\u8bbe\u5907\u4e4b\u95f4\u7684\u9ad8\u6548\u8fde\u63a5\u548c\u6570\u636e\u4ea4\u6362\u3002<\/strong><\/p>\n\n\n\n
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