{"id":88951,"date":"2024-02-22T17:57:15","date_gmt":"2024-02-22T09:57:15","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=88951"},"modified":"2024-02-22T17:57:20","modified_gmt":"2024-02-22T09:57:20","slug":"lzxwxdxhjsqd","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/88951.html","title":{"rendered":"LoRa\u6700\u5c0f\u65e0\u7ebf\u7535\u4fe1\u53f7\u63a5\u6536\u5f3a\u5ea6"},"content":{"rendered":"\n

\u3000\u3000\u968f\u7740\u7269\u8054\u7f51\u6280\u672f\u7684\u5feb\u901f\u53d1\u5c55\uff0cLoRa(\u957f\u8ddd\u79bb\u4f4e\u529f\u8017\u65e0\u7ebf\u5c40\u57df\u7f51)<\/strong>\u6280\u672f\u4f5c\u4e3a\u4e00\u79cd\u4f4e\u529f\u8017\u5e7f\u57df\u7f51\u7edc\u6280\u672f\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u7269\u8054\u7f51\u8bbe\u5907\u4e2d\u3002\u5728LoRa\u6280\u672f\u4e2d\uff0c\u63a5\u6536\u7aef\u7684\u7075\u654f\u5ea6\u548c\u6700\u5c0f\u65e0\u7ebf\u7535\u4fe1\u53f7\u63a5\u6536\u5f3a\u5ea6\u662f\u81f3\u5173\u91cd\u8981\u7684\u53c2\u6570\uff0c\u76f4\u63a5\u5f71\u54cd\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u548c\u8986\u76d6\u8303\u56f4\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5982\u4f55\u4f18\u5316LoRa\u6280\u672f\u4e2d\u7684\u6700\u5c0f\u65e0\u7ebf\u7535\u4fe1\u53f7\u63a5\u6536\u5f3a\u5ea6\uff0c\u4ee5\u63d0\u9ad8\u901a\u4fe1\u8d28\u91cf\u548c\u8986\u76d6\u8303\u56f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 LoRa\u6280\u672f\u7b80\u4ecb<\/h2>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u662f\u4e00\u79cd\u57fa\u4e8e\u8702\u7a9d\u901a\u4fe1\u7684\u4f4e\u529f\u8017\u5e7f\u57df\u7f51\u7edc\u6280\u672f\uff0c\u5177\u6709\u957f\u8ddd\u79bb\u4f20\u8f93\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u7b49\u7279\u70b9\u3002LoRa\u6280\u672f\u901a\u5e38\u5e94\u7528\u4e8e\u7269\u8054\u7f51\u8bbe\u5907\u3001\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u57ce\u5e02\u7b49\u9886\u57df\uff0c\u4e3a\u8bbe\u5907\u4e4b\u95f4\u7684\u957f\u8ddd\u79bb\u901a\u4fe1\u63d0\u4f9b\u4e86\u53ef\u9760\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 \u6700\u5c0f\u65e0\u7ebf\u7535\u4fe1\u53f7\u63a5\u6536\u5f3a\u5ea6\u7684\u91cd\u8981\u6027<\/h2>\n\n\n\n

\u3000\u3000\u5728LoRa\u901a\u4fe1\u4e2d\uff0c\u6700\u5c0f\u65e0\u7ebf\u7535\u4fe1\u53f7\u63a5\u6536\u5f3a\u5ea6(RSSI)\u662f\u6307\u63a5\u6536\u7aef\u80fd\u591f\u63a5\u6536\u5230\u7684\u6700\u5fae\u5f31\u4fe1\u53f7\u7684\u5f3a\u5ea6\u3002\u6700\u5c0f\u65e0\u7ebf\u7535\u4fe1\u53f7\u63a5\u6536\u5f3a\u5ea6\u76f4\u63a5\u5f71\u54cd\u901a\u4fe1\u7684\u53ef\u9760\u6027\u548c\u8986\u76d6\u8303\u56f4\u3002<\/strong>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6700\u5c0f\u65e0\u7ebf\u7535\u4fe1\u53f7\u63a5\u6536\u5f3a\u5ea6\u8d8a\u9ad8\uff0c\u8bbe\u5907\u5728\u8f83\u8fdc\u8ddd\u79bb\u4ecd\u80fd\u7a33\u5b9a\u901a\u4fe1\u7684\u53ef\u80fd\u6027\u5c31\u8d8a\u5927\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 \u4f18\u5316\u6700\u5c0f\u65e0\u7ebf\u7535\u4fe1\u53f7\u63a5\u6536\u5f3a\u5ea6\u7684\u7b56\u7565<\/h2>\n\n\n\n

\u3000\u30001. \u5929\u7ebf\u8bbe\u8ba1<\/h3>\n\n\n\n

\u3000\u3000\u826f\u597d\u7684\u5929\u7ebf\u8bbe\u8ba1\u662f\u63d0\u9ad8LoRa\u901a\u4fe1\u8d28\u91cf\u548c\u8986\u76d6\u8303\u56f4\u7684\u5173\u952e\u3002\u9009\u62e9\u9002\u5408\u5e94\u7528\u573a\u666f\u7684\u5929\u7ebf\u7c7b\u578b\u3001\u5929\u7ebf\u589e\u76ca\u548c\u5929\u7ebf\u67b6\u8bbe\u9ad8\u5ea6\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u6700\u5c0f\u65e0\u7ebf\u7535\u4fe1\u53f7\u63a5\u6536\u5f3a\u5ea6\uff0c\u589e\u52a0\u901a\u4fe1\u8ddd\u79bb\u3002<\/p>\n\n\n\n

\u3000\u30002. \u73af\u5883\u4f18\u5316<\/h3>\n\n\n\n

\u3000\u3000\u907f\u514d\u901a\u4fe1\u8bbe\u5907\u53d7\u5230\u5927\u91cf\u5e72\u6270\u6216\u963b\u6321\uff0c\u9009\u62e9\u5f00\u9614\u65e0\u906e\u6321\u7684\u901a\u4fe1\u73af\u5883\uff0c\u53ef\u4ee5\u51cf\u5c0f\u8def\u5f84\u635f\u8017\uff0c\u63d0\u9ad8\u6700\u5c0f\u65e0\u7ebf\u7535\u4fe1\u53f7\u63a5\u6536\u5f3a\u5ea6\u3002<\/p>\n\n\n\n

\u3000\u30003. \u529f\u7387\u63a7\u5236<\/h3>\n\n\n\n

\u3000\u3000\u5408\u7406\u8c03\u6574LoRa\u901a\u4fe1\u8bbe\u5907\u7684\u4f20\u8f93\u529f\u7387\uff0c\u6839\u636e\u5b9e\u9645\u901a\u4fe1\u8ddd\u79bb\u548c\u73af\u5883\u6761\u4ef6\u8fdb\u884c\u529f\u7387\u63a7\u5236\uff0c\u53ef\u4ee5\u5728\u4fdd\u8bc1\u901a\u4fe1\u8d28\u91cf\u7684\u524d\u63d0\u4e0b\u964d\u4f4e\u529f\u8017\uff0c\u63d0\u9ad8\u6700\u5c0f\u65e0\u7ebf\u7535\u4fe1\u53f7\u63a5\u6536\u5f3a\u5ea6\u3002<\/p>\n\n\n\n

\u3000\u30004. AGC\u81ea\u52a8\u589e\u76ca\u63a7\u5236<\/h3>\n\n\n\n

\u3000\u3000AGC(Automatic Gain Control)\u662f\u4e00\u79cd\u81ea\u52a8\u589e\u76ca\u63a7\u5236\u6280\u672f\uff0c\u53ef\u4ee5\u6839\u636e\u63a5\u6536\u4fe1\u53f7\u7684\u5f3a\u5ea6\u81ea\u52a8\u8c03\u6574\u63a5\u6536\u673a\u7684\u589e\u76ca\uff0c\u4f7f\u5f97\u63a5\u6536\u7aef\u80fd\u591f\u5728\u4e0d\u540c\u4fe1\u53f7\u5f3a\u5ea6\u4e0b\u4fdd\u6301\u8f83\u7a33\u5b9a\u7684\u63a5\u6536\u6027\u80fd\uff0c\u4ece\u800c\u63d0\u9ad8\u6700\u5c0f\u65e0\u7ebf\u7535\u4fe1\u53f7\u63a5\u6536\u5f3a\u5ea6\u3002<\/p>\n\n\n\n

\u3000\u30005. \u6570\u636e\u5305\u91cd\u4f20\u673a\u5236<\/h3>\n\n\n\n

\u3000\u3000\u5728LoRa\u901a\u4fe1\u4e2d\uff0c\u7531\u4e8e\u4fe1\u9053\u8d28\u91cf\u7684\u4e0d\u786e\u5b9a\u6027\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u5305\u4e22\u5931\u3002\u901a\u8fc7\u5408\u7406\u8bbe\u7f6e\u6570\u636e\u5305\u91cd\u4f20\u673a\u5236\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u5305\u7684\u4f20\u8f93\u6210\u529f\u7387\uff0c\u964d\u4f4e\u901a\u4fe1\u4e2d\u65ad\uff0c\u4ece\u800c\u63d0\u9ad8\u6700\u5c0f\u65e0\u7ebf\u7535\u4fe1\u53f7\u63a5\u6536\u5f3a\u5ea6\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001 \u7ed3\u8bed<\/h2>\n\n\n\n

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