{"id":96790,"date":"2024-08-14T11:19:49","date_gmt":"2024-08-14T03:19:49","guid":{"rendered":"\/\/www.viralrail.com\/?p=96790"},"modified":"2024-08-14T11:19:54","modified_gmt":"2024-08-14T03:19:54","slug":"lydsddtx","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/96790.html","title":{"rendered":"LoRa\u7528\u591a\u5c11dBi\u7684\u5929\u7ebf"},"content":{"rendered":"\n

\u3000\u3000LoRa<\/a><\/strong>(Long Range)\u6280\u672f\u4f7f\u7528\u7684\u5929\u7ebf\u589e\u76ca(\u4ee5dBi\u4e3a\u5355\u4f4d)\u901a\u5e38\u57282 dBi\u52309 dBi\u4e4b\u95f4\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5e94\u7528\u573a\u666f\u548c\u5929\u7ebf\u7684\u8bbe\u8ba1\u3002\u5bf9\u4e8e\u5ba4\u5185\u6216\u8fd1\u8ddd\u79bb\u5e94\u7528\uff0c2 dBi\u52305 dBi\u7684\u5168\u5411\u5929\u7ebf\u8f83\u4e3a\u5e38\u89c1;\u800c\u5bf9\u4e8e\u8fdc\u8ddd\u79bb\u6216\u5b9a\u5411\u5e94\u7528\uff0c\u53ef\u80fd\u4f1a\u4f7f\u7528\u589e\u76ca\u66f4\u9ad8\u7684\u5b9a\u5411\u5929\u7ebf\uff0c\u59827 dBi\u52309 dBi\uff0c\u751a\u81f3\u66f4\u9ad8\u3002\u9009\u62e9\u5929\u7ebf\u589e\u76ca\u65f6\u9700\u8981\u6743\u8861\u8986\u76d6\u8303\u56f4\u548c\u65b9\u5411\u6027\uff0c\u4ee5\u6ee1\u8db3\u5177\u4f53\u7684\u7f51\u7edc\u9700\u6c42\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 LoRa\u5929\u7ebf\u589e\u76ca\u4e0e\u901a\u4fe1\u8ddd\u79bb\u4e4b\u95f4\u7684\u5177\u4f53\u5173\u7cfb<\/h2>\n\n\n\n

\u3000\u3000LoRa\u5929\u7ebf<\/a>\u589e\u76ca\u4e0e\u901a\u4fe1\u8ddd\u79bb\u4e4b\u95f4\u7684\u5177\u4f53\u5173\u7cfb\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5929\u7ebf\u589e\u76ca\u76f4\u63a5\u5f71\u54cd\u4fe1\u53f7\u7684\u4f20\u64ad\u8ddd\u79bb\u548c\u4fe1\u53f7\u8d28\u91cf\u3002\u4f8b\u5982\uff0c\u5c06\u63a5\u6536\u5929\u7ebf\u589e\u76ca\u4ece1.5 dBi\u63d0\u9ad8\u52307.5 dBi\uff0c\u901a\u4fe1\u8ddd\u79bb\u53ef\u4ee5\u5ef6\u957f\u5230\u539f\u6765\u76842\u500d\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u822c\u6765\u8bf4\uff0c\u5929\u7ebf\u589e\u76ca\u8d8a\u9ad8\uff0c\u4f20\u8f93\u8ddd\u79bb\u8d8a\u8fdc\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u589e\u76ca\u4e3a5dBi\u7684\u5929\u7ebf\uff0c\u53ef\u4ee5\u5c06LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u589e\u52a01\u500d\u5de6\u53f3\u3002<\/p>\n\n\n\n

\u3000\u3000\u5c06LoRaWAN\u7f51\u5173\u7684\u53d1\u5c04\u5929\u7ebf\u589e\u76ca\u4ece3dBi\u63d0\u9ad8\u52309dBi\uff0c\u589e\u52a0\u4e866dB\uff0c\u901a\u4fe1\u8ddd\u79bb\u5c06\u5ef6\u957f\u5230\u539f\u6765\u76842\u500d\u3002<\/p>\n\n\n\n

\u3000\u3000\u5e02\u573a\u4e0aLoRa\u5929\u7ebf\u589e\u76ca\u5927\u591a\u96c6\u4e2d\u57285~10dBi\u5de6\u53f3\uff0c\u9009\u62e9\u589e\u76ca\u8f83\u5927\u7684\u5929\u7ebf\u53ef\u4ee5\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u7406\u60f3\u73af\u5883\u4e2d\uff0c\u65e0\u7ebf\u901a\u4fe1\u4e2d\u6536\u3001\u53d1\u5929\u7ebf\u95f4\u8ddd\u79bbD\u4e0e\u53d1\u5c04\u5668\u7684\u53d1\u5c04\u529f\u7387\u3001\u63a5\u6536\u5668\u7684\u7075\u654f\u5ea6\u3001\u53d1\u5c04\u5929\u7ebf\u589e\u76ca\u3001\u63a5\u6536\u5929\u7ebf\u589e\u76ca\u7b49\u56e0\u7d20\u76f8\u5173\uff0c\u5176\u4e2d\u5929\u7ebf\u589e\u76ca\u8d8a\u5927\uff0c\u4f20\u7684\u8d8a\u8fdc\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f<\/a>\u7684\u4f20\u8f93\u8ddd\u79bb\u4e0e\u5929\u7ebf\u7c7b\u578b\u3001\u5929\u7ebf\u589e\u76ca\u4ee5\u53ca\u5929\u7ebf\u4f4d\u7f6e\u7b49\u56e0\u7d20\u5bc6\u5207\u76f8\u5173\uff0c\u5929\u7ebf\u7684\u589e\u76ca\u5bf9\u4e8e\u6269\u5927\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 \u5728\u4e0d\u540c\u73af\u5883\u6761\u4ef6\u4e0b\uff0cLoRa\u5929\u7ebf\u7684\u6700\u4f73\u589e\u76ca\u662f\u591a\u5c11?<\/h2>\n\n\n\n

\u3000\u3000\u5728\u540c\u7b49\u6761\u4ef6\u4e0b\uff0c\u589e\u76ca\u8d8a\u9ad8\uff0c\u65e0\u7ebf\u4fe1\u53f7\u7684\u4f20\u64ad\u8ddd\u79bb\u8d8a\u8fdc\u3002\u8fd9\u8868\u660e\u9009\u62e9\u9ad8\u589e\u76ca\u5929\u7ebf\u53ef\u4ee5\u63d0\u5347\u65e0\u7ebf\u6a21\u5757\u7684\u901a\u4fe1\u8ddd\u79bb\uff0c\u4f46\u5e76\u672a\u7ed9\u51fa\u5177\u4f53\u7684\u6700\u4f73\u589e\u76ca\u503c\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u4f4e\u7801\u7387\u6269\u9891\u901a\u4fe1\u4e2d\u4f20\u8f93\u8ddd\u79bb\u7684\u76f8\u5173\u56e0\u7d20\uff0c\u5305\u62ec\u53d1\u5c04\u5929\u7ebf\u589e\u76ca\u548c\u63a5\u6536\u5929\u7ebf\u589e\u76ca\uff0c\u4f46\u540c\u6837\u6ca1\u6709\u63d0\u4f9b\u6700\u4f73\u589e\u76ca\u7684\u5177\u4f53\u6570\u503c\u3002<\/p>\n\n\n\n

\u3000\u3000\u6211\u4eec\u65e0\u6cd5\u786e\u5b9aLoRa\u5929\u7ebf\u5728\u4e0d\u540c\u73af\u5883\u6761\u4ef6\u4e0b\u6700\u4f73\u589e\u76ca\u7684\u5177\u4f53\u6570\u503c\u3002\u901a\u5e38\uff0c\u5929\u7ebf\u7684\u6700\u4f73\u589e\u76ca\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u73af\u5883\u6761\u4ef6\uff0c\u5982\u662f\u5426\u9700\u8981\u7a7f\u900f\u5899\u58c1\u3001\u6811\u6728\u7b49\u969c\u788d\u7269\uff0c\u4ee5\u53ca\u6240\u9700\u7684\u901a\u4fe1\u8ddd\u79bb\u7b49\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 LoRa\u5929\u7ebf\u8bbe\u8ba1\u4e2d\uff0c\u5982\u4f55\u6839\u636e\u5e94\u7528\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u589e\u76ca\u503c?<\/h2>\n\n\n\n

\u3000\u3000\u5728LoRa\u5929\u7ebf\u8bbe\u8ba1\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u589e\u76ca\u503c\u9700\u8981\u7efc\u5408\u8003\u8651\u591a\u4e2a\u56e0\u7d20\uff0c\u4ee5\u786e\u4fdd\u6ee1\u8db3\u5177\u4f53\u5e94\u7528\u9700\u6c42\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u6b65\u9aa4\u548c\u5efa\u8bae\uff1a<\/p>\n\n\n\n

\u3000\u3000\u9996\u5148\uff0c\u660e\u786e\u4f60\u7684\u5e94\u7528\u573a\u666f\u662f\u5173\u952e\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5e94\u7528\u73af\u5883\u8f83\u4e3a\u590d\u6742\uff0c\u5982\u57ce\u5e02\u5bc6\u96c6\u533a\u57df\u6216\u6709\u5927\u91cf\u5efa\u7b51\u7269\u906e\u6321\u7684\u5730\u533a\uff0c\u53ef\u80fd\u9700\u8981\u66f4\u9ad8\u589e\u76ca\u7684\u5929\u7ebf\u6765\u589e\u5f3a\u4fe1\u53f7\u7a7f\u900f\u80fd\u529b\u3002<\/p>\n\n\n\n

\u3000\u3000\u589e\u76ca\u8d8a\u9ad8\uff0c\u5929\u7ebf\u7684\u8f90\u5c04\u548c\u63a5\u6536\u80fd\u529b\u8d8a\u5f3a\uff0c\u4ece\u800c\u53ef\u4ee5\u63d0\u9ad8\u901a\u4fe1\u8ddd\u79bb\u3002\u4f46\u662f\uff0c\u4e5f\u8981\u6ce8\u610f\u589e\u76ca\u8fc7\u9ad8\u7684\u5929\u7ebf\u53ef\u80fd\u4f1a\u589e\u5f3a\u65b9\u5411\u6027\uff0c\u8fd9\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u4e0d\u662f\u7406\u60f3\u7684\u9009\u62e9\u3002<\/p>\n\n\n\n

\u3000\u3000\u786e\u4fdd\u5929\u7ebf\u4e0eLoRa\u6a21\u5757\u4e4b\u95f4\u7684\u963b\u6297\u5339\u914d\u4e5f\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u901a\u5e38LoRa\u6a21\u5757\u4f7f\u752850\u6b27\u59c6\u7684\u963b\u6297\uff0c\u56e0\u6b64\u901a\u8baf\u5929\u7ebf\u4e5f\u5e94\u5339\u914d\u8fd9\u4e00\u963b\u6297\uff0c\u4ee5\u786e\u4fdd\u4fe1\u53f7\u4f20\u8f93\u6548\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e0d\u540c\u7684\u73af\u5883\u6761\u4ef6(\u5982\u5730\u5f62\u3001\u5efa\u7b51\u7269\u3001\u969c\u788d\u7269\u7b49)\u5bf9\u4fe1\u53f7\u7684\u5f71\u54cd\u4e0d\u540c\u3002\u56e0\u6b64\uff0c\u5728\u9009\u62e9\u589e\u76ca\u65f6\uff0c\u9700\u8003\u8651\u8fd9\u4e9b\u56e0\u7d20\u5bf9\u4fe1\u53f7\u4f20\u64ad\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n

\u3000\u3000\u6839\u636e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u5929\u7ebf\u7c7b\u578b\u548c\u5b89\u88c5\u65b9\u5f0f\u3002\u4f8b\u5982\uff0c\u5916\u7f6e\u5929\u7ebf\u53ef\u4ee5\u662f\u9970\u5e26\u5929\u7ebf\u3001\u87ba\u65cb\u5929\u7ebf\u3001\u65b9\u5f62\u5929\u7ebf\u7b49\uff0c\u6839\u636e\u5177\u4f53\u9700\u6c42\u8fdb\u884c\u9009\u62e9\u3002<\/p>\n\n\n\n

\u3000\u3000\u6700\u540e\uff0c\u8fd8\u9700\u8981\u8003\u8651\u5929\u7ebf\u7684\u6280\u672f\u53c2\u6570\u548c\u7535\u6c14\u7279\u6027\uff0c\u5982\u9891\u7387\u8303\u56f4\u3001\u6781\u5316\u65b9\u5f0f\u3001\u5929\u7ebf\u5c3a\u5bf8\u7b49\uff0c\u4ee5\u786e\u4fdd\u6240\u9009\u5929\u7ebf\u80fd\u591f\u6ee1\u8db3\u7279\u5b9a\u5e94\u7528\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001 LoRa\u5929\u7ebf\u7684\u589e\u76ca\u5b9a\u5236\u5316\u9009\u9879\u4e2d\uff0c\u54ea\u4e9b\u9009\u9879\u6700\u9002\u5408\u9ad8\u7cbe\u5ea6\u5b9a\u4f4d\u6216\u8fdc\u7a0b\u76d1\u63a7\u5e94\u7528?<\/h2>\n\n\n\n

\u3000\u3000\u5728LoRa\u5929\u7ebf\u7684\u589e\u76ca\u5b9a\u5236\u5316\u9009\u9879\u4e2d\uff0c\u5bf9\u4e8e\u9ad8\u7cbe\u5ea6\u5b9a\u4f4d\u6216\u8fdc\u7a0b\u76d1\u63a7\u5e94\u7528\uff0c\u9009\u62e9\u5408\u9002\u7684\u589e\u76ca\u548c\u9891\u7387\u7248\u672c\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u4ee5\u4e0b\u51e0\u70b9\u53ef\u4ee5\u4e3a\u9009\u62e9\u6700\u9002\u5408\u7684\u5e94\u7528\u63d0\u4f9b\u6307\u5bfc\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u591a\u6807\u51c6UWB-LoRa\u5929\u7ebf\u8bbe\u8ba1<\/strong>\uff1a\u8fd9\u79cd\u8bbe\u8ba1\u7ed3\u5408\u4e86UWB(\u8d85\u5bbd\u5e26)\u6280\u672f\u548cLoRa\u6280\u672f\uff0c\u5b9e\u73b0\u4e86\u9ad8\u7cbe\u5ea6\u7684\u5b9a\u4f4d\u548c\u6570\u636e\u4f20\u8f93\u3002\u8fd9\u79cd\u65b0\u578b\u5929\u7ebf\u7279\u522b\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u7cbe\u5ea6\u548c\u957f\u8ddd\u79bb\u5b9a\u4f4d\u7684\u7269\u8054\u7f51\u5e94\u7528\u573a\u666f\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u3001\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1aLoRa\u6280\u672f\u672c\u8eab\u5177\u6709\u4f4e\u529f\u8017\u3001\u8d85\u957f\u8ddd\u79bb\u65e0\u7ebf\u901a\u4fe1\u548c\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u7684\u7279\u70b9\uff0c\u975e\u5e38\u9002\u5408\u7528\u4e8e\u73af\u5883\u76d1\u6d4b\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u573a\u666f\u3002\u8fd9\u4e9b\u7279\u6027\u4f7f\u5f97LoRa\u5929\u7ebf\u5728\u8fdc\u7a0b\u76d1\u63a7\u5e94\u7528\u4e2d\u8868\u73b0\u4f18\u5f02\u3002<\/li>\n\n\n\n
  • \u3000\u3000GPS\u8f85\u52a9LoRa\u7cfb\u7edf<\/strong>\uff1a\u57fa\u4e8eGPS\u4e0eLoRa\u8f85\u52a9\u4f20\u8f93\u76f8\u7ed3\u5408\u7684\u7cfb\u7edf\u80fd\u591f\u5728\u6709\u5efa\u7b51\u7269\u906e\u6321\u7684\u60c5\u51b5\u4e0b\u4fdd\u6301\u8f83\u9ad8\u7684\u5b9a\u4f4d\u7cbe\u5ea6\uff0c\u598230\u7c73\u7ea7\u7684\u7cbe\u5ea6\uff0c\u8fd9\u5728\u5927\u578b\u5f00\u9614\u7269\u6d41\u56ed\u533a\u7684\u5b9a\u4f4d\u9700\u6c42\u4e2d\u975e\u5e38\u9002\u7528\u3002<\/li>\n\n\n\n
  • \u3000\u30002dBi\u589e\u76ca\u7684LoRa\u80f6\u68d2\u5929\u7ebf<\/strong>\uff1a\u8fd9\u79cd\u5929\u7ebf\u589e\u76ca\u4e3a2dBi\uff0c\u5de5\u4f5c\u9891\u6bb5\u5305\u62ec433MHz\u548c868MHz\uff0c\u9002\u7528\u4e8eLPWA(\u4f4e\u529f\u8017\u5e7f\u57df\u7f51)\u5e94\u7528\uff0c\u4e14\u5176SMA\u5185\u9488\u8fde\u63a5\u5668\u7c7b\u578b\u548c\u8f93\u51fa\u963b\u6297\u7b49\u53c2\u6570\u4e5f\u9002\u5408\u591a\u79cd\u5e94\u7528\u573a\u666f\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u7efc\u5408\u4ee5\u4e0a\u4fe1\u606f\uff0c\u5bf9\u4e8e\u9ad8\u7cbe\u5ea6\u5b9a\u4f4d\u6216\u8fdc\u7a0b\u76d1\u63a7\u5e94\u7528\uff0c\u5efa\u8bae\u9009\u62e9\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\u7684LoRa\u5929\u7ebf\uff1a<\/p>\n\n\n\n

      \n
    • \u3000\u3000\u591a\u6807\u51c6UWB-LoRa\u5929\u7ebf<\/strong>\uff1a\u7ed3\u5408UWB\u6280\u672f\u4ee5\u63d0\u9ad8\u5b9a\u4f4d\u7cbe\u5ea6\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u3001\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u7684LoRa\u5929\u7ebf<\/strong>\uff1a\u786e\u4fdd\u5728\u5404\u79cd\u590d\u6742\u73af\u5883\u4e2d\u7a33\u5b9a\u8fd0\u884c\u3002<\/li>\n\n\n\n
    • \u3000\u3000GPS\u8f85\u52a9LoRa\u7cfb\u7edf<\/strong>\uff1a\u5728\u6709\u906e\u6321\u7269\u7684\u60c5\u51b5\u4e0b\u4ecd\u80fd\u4fdd\u6301\u9ad8\u7cbe\u5ea6\u5b9a\u4f4d\u3002<\/li>\n\n\n\n
    • \u3000\u30002dBi\u589e\u76ca\u7684LoRa\u80f6\u68d2\u5929\u7ebf<\/strong>\uff1a\u9002\u7528\u4e8e\u591a\u79cdLPWA\u5e94\u7528\u573a\u666f\uff0c\u7279\u522b\u662f\u9700\u8981\u957f\u8ddd\u79bb\u548c\u9ad8\u53ef\u9760\u6027\u7684\u573a\u666f\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u3000\u4e94\u3001 LoRa\u5929\u7ebf\u589e\u76ca\u5bf9\u4fe1\u53f7\u7a33\u5b9a\u6027\u548c\u5e72\u6270\u6291\u5236\u80fd\u529b\u7684\u5f71\u54cd<\/h2>\n\n\n\n

      \u3000\u3000LoRa\u5929\u7ebf\u589e\u76ca\u5bf9\u4fe1\u53f7\u7a33\u5b9a\u6027\u548c\u5e72\u6270\u6291\u5236\u80fd\u529b\u7684\u5f71\u54cd\u53ef\u4ee5\u4ece\u591a\u4e2a\u7814\u7a76\u548c\u6848\u4f8b\u5206\u6790\u4e2d\u5f97\u5230\u8bc1\u5b9e\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u8bf4\u660e\uff1a<\/p>\n\n\n\n

      \u3000\u3000\u63d0\u9ad8\u63a5\u6536\u5929\u7ebf\u7684\u589e\u76ca\u53ef\u4ee5\u663e\u8457\u589e\u5f3aLoRa\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u4ece\u800c\u63d0\u5347\u4fe1\u53f7\u7684\u7a33\u5b9a\u6027\u3002\u8fd9\u662f\u56e0\u4e3a\u589e\u76ca\u8d8a\u9ad8\uff0c\u5929\u7ebf\u80fd\u591f\u6355\u6349\u5230\u66f4\u591a\u7684\u4fe1\u53f7\u80fd\u91cf\uff0c\u5373\u4f7f\u5728\u8fdc\u8ddd\u79bb\u6216\u590d\u6742\u73af\u5883\u4e2d\u4e5f\u80fd\u4fdd\u6301\u8f83\u9ad8\u7684\u4fe1\u53f7\u8d28\u91cf\u3002<\/p>\n\n\n\n

      \u3000\u3000LoRa\u6280\u672f\u672c\u8eab\u5177\u6709\u5f88\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u80fd\u591f\u6709\u6548\u62b5\u6297\u540c\u9891\u5e72\u6270\u53ca\u5404\u79cd\u566a\u58f0\u3002\u7136\u800c\uff0c\u901a\u8fc7\u589e\u52a0\u5929\u7ebf\u589e\u76ca\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u589e\u5f3a\u8fd9\u79cd\u6297\u5e72\u6270\u80fd\u529b\u3002\u4f8b\u5982\uff0c\u5728IEEE 802.15.4g\u5e72\u6270\u6d4b\u8bd5\u4e2d\uff0c\u5f53SF( spreading factor)\u9ad8\u4e8eSF9\u65f6\uff0c\u5373\u4f7f\u5b58\u5728\u5f3a\u5e72\u6270\u8005(+16 dB)\uff0c\u6570\u636e\u5305\u4e22\u5931\u4e5f\u5fae\u4e4e\u5176\u5fae\u3002\u8fd9\u8868\u660e\u589e\u76ca\u7684\u63d0\u9ad8\u6709\u52a9\u4e8e\u7ef4\u6301\u4f4e\u8bef\u7801\u7387\u548c\u9ad8\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

      \u3000\u3000LoRa\u6280\u672f\u5185\u7f6e\u4e86\u524d\u5411\u7ea0\u9519\u7f16\u7801\uff0c\u8fd9\u79cd\u7f16\u7801\u65b9\u5f0f\u53ef\u4ee5\u63d0\u9ad8\u4fe1\u53f7\u4f20\u8f93\u7684\u7a33\u5b9a\u6027\uff0c\u4ece\u800c\u589e\u5f3a\u5176\u7a7f\u5899\u80fd\u529b\u3002\u7ed3\u5408\u5929\u7ebf\u589e\u76ca\u7684\u63d0\u5347\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u4f18\u5316\u4fe1\u53f7\u7684\u7a33\u5b9a\u6027\u548c\u8986\u76d6\u8303\u56f4\u3002<\/p>\n\n\n\n

      \u3000\u3000\u5728\u519c\u4e1a\u76d1\u6d4b\u7b49\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u901a\u8fc7\u589e\u52a0\u4fe1\u53f7\u7684\u529f\u7387\u6765\u589e\u5f3a\u4fe1\u53f7\u5f3a\u5ea6\uff0c\u4ece\u800c\u6291\u5236\u5e72\u6270\uff0c\u662f\u5e38\u89c1\u7684\u505a\u6cd5\u3002\u8fd9\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u7a33\u5b9a\u6027\uff0c\u8fd8\u589e\u5f3a\u4e86\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u3002<\/p>\n\n\n\n

      \u3000\u3000\u5408\u7406\u7684\u5929\u7ebf\u8bbe\u8ba1\u548c\u589e\u76ca\u9009\u62e9\u5bf9\u4e8e\u63d0\u9ad8LoRa\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u4f18\u5316\u5929\u7ebf\u4f4d\u7f6e\u548c\u65b9\u5411\uff0c\u53ef\u4ee5\u51cf\u5c11\u4fe1\u53f7\u5e72\u6270\uff0c\u786e\u4fdd\u66f4\u597d\u7684\u901a\u4fe1\u8d28\u91cf\u3002<\/p>\n\n\n\n

      \u3000\u3000\u5929\u7ebf\u7684\u9009\u62e9\u548c\u8c03\u8bd5\u662f\u786e\u4fddLoRa\u901a\u4fe1\u8d28\u91cf\u548c\u8986\u76d6\u8303\u56f4\u7684\u5173\u952e\u56e0\u7d20\u3002\u901a\u8fc7\u9009\u62e9\u7b26\u5408\u5de5\u4f5c\u9891\u7387\u3001\u589e\u76ca\u3001\u6781\u5316\u65b9\u5f0f\u7b49\u8981\u6c42\u7684\u5408\u9002\u5929\u7ebf\uff0c\u5e76\u901a\u8fc7\u5b9a\u4f4d\u6700\u4f73\u4f4d\u7f6e\u3001\u5339\u914d\u963b\u6297\u3001\u4fe1\u53f7\u6d4b\u8bd5\u4e0e\u4f18\u5316\u3001\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u7b49\u6280\u5de7\u6765\u8c03\u8bd5\u5929\u7ebf\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8LoRa\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

      LoRa(Long Range)\u6280\u672f\u4f7f\u7528\u7684\u5929\u7ebf\u589e\u76ca(\u4ee5dBi\u4e3a\u5355\u4f4d)\u901a\u5e38\u57282 dBi\u52309 dBi\u4e4b\u95f4\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5e94\u7528\u573a\u666f\u548c\u5929\u7ebf\u7684\u8bbe\u8ba1\u3002\u5bf9\u4e8e\u5ba4\u5185\u6216\u8fd1\u8ddd\u79bb\u5e94\u7528<\/p>\n","protected":false},"author":1,"featured_media":95849,"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":[54,223],"class_list":["post-96790","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-l-2","tag-txzy"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/96790"}],"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=96790"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/96790\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/95849"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=96790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=96790"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=96790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}