{"id":96899,"date":"2024-08-16T17:39:08","date_gmt":"2024-08-16T09:39:08","guid":{"rendered":"\/\/www.viralrail.com\/?p=96899"},"modified":"2024-08-16T17:39:12","modified_gmt":"2024-08-16T09:39:12","slug":"lzjssdyy-2","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/96899.html","title":{"rendered":"LoRa\u5728\u519b\u4e8b\u4e0a\u7684\u5e94\u7528"},"content":{"rendered":"\n

\u3000\u3000LoRa\u6280\u672f<\/strong>\u5728\u519b\u4e8b\u4e0a\u7684\u5e94\u7528\u4e3b\u8981\u4f53\u73b0\u5728\u5176\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u901a\u4fe1\u7684\u7279\u6027\u4e0a\uff0c\u8fd9\u4e9b\u7279\u70b9\u4f7f\u5176\u975e\u5e38\u9002\u5408\u7528\u4e8e\u519b\u4e8b\u901a\u4fe1\u548c\u7a7a\u95f4\u901a\u4fe1\u9886\u57df\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u57fa\u4e8e\u7ebf\u6027\u8c03\u9891\u6269\u9891\u8c03\u5236\uff0c\u80fd\u591f\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u901a\u4fe1\uff0c\u8fd9\u5728\u519b\u4e8b\u901a\u4fe1\u4e2d\u975e\u5e38\u91cd\u8981\u3002\u4f8b\u5982\uff0cE95M-DTU\u7cfb\u5217LORA\u6570\u4f20\u7535\u53f0\u91c7\u7528\u519b\u5de5\u7ea7LoRa\u8c03\u5236\u6280\u672f\uff0c\u63d0\u4f9b\u900f\u660eRS485\/RS232\/TTL\u63a5\u53e3\uff0c\u5e76\u4e14\u5177\u6709\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u7684\u4f18\u52bf\u3002\u8fd9\u79cd\u957f\u8ddd\u79bb\u901a\u4fe1\u80fd\u529b\u4f7f\u5f97\u519b\u961f\u80fd\u591f\u5728\u590d\u6742\u7684\u73af\u5883\u4e2d\u4fdd\u6301\u6709\u6548\u7684\u901a\u4fe1\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u7531\u4e8e\u5176\u6269\u9891\u7279\u6027\u548c\u4f4e\u529f\u8017\u7279\u6027\uff0c\u5177\u6709\u5f88\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u8fd9\u5bf9\u4e8e\u6218\u573a\u73af\u5883\u4e2d\u7684\u901a\u4fe1\u5c24\u4e3a\u91cd\u8981\u3002\u4f8b\u5982\uff0cLoRa\u7ec4\u7f51\u900f\u4f20\u6a21\u7ec4\u8bbe\u8ba1\u7528\u4e8e\u519b\u7528\u901a\u4fe1\u7cfb\u7edf\uff0c\u53ef\u4ee5\u89e3\u51b3\u5c0f\u6570\u636e\u91cf\u5728\u590d\u6742\u73af\u5883\u4e2d\u7684\u8fdc\u8ddd\u901a\u4fe1\u95ee\u9898\u3002<\/p>\n\n\n\n

\u3000\u3000\u7ebf\u6027\u6269\u9891\u6280\u672f\u5df2\u7ecf\u5728\u519b\u4e8b\u548c\u7a7a\u95f4\u901a\u4fe1\u9886\u57df\u4f7f\u7528\u4e86\u6570\u5341\u5e74\uff0c\u56e0\u4e3a\u5176\u53ef\u4ee5\u5b9e\u73b0\u957f\u901a\u4fe1\u8ddd\u79bb\u548c\u5e72\u6270\u7684\u9c81\u68d2\u6027\u3002\u8fd9\u79cd\u6280\u672f\u7684\u5e94\u7528\u786e\u4fdd\u4e86\u5728\u5404\u79cd\u73af\u5883\u4e0b\u90fd\u80fd\u4fdd\u6301\u7a33\u5b9a\u7684\u901a\u4fe1\u8fde\u63a5\u3002LoRa\u6280\u672f\u4ee5\u5176\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u901a\u4fe1\u548c\u5f3a\u5927\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u5728\u519b\u4e8b\u901a\u4fe1\u548c\u7a7a\u95f4\u901a\u4fe1\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002\u5176\u5728\u4e0d\u540c\u519b\u4e8b\u4efb\u52a1\u4e2d\u7684\u8868\u73b0\u8bc1\u660e\u4e86\u5176\u5728\u73b0\u4ee3\u6218\u4e89\u4e2d\u7684\u91cd\u8981\u6027\u548c\u6709\u6548\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 LoRa\u6280\u672f\u5728\u519b\u4e8b\u901a\u4fe1\u4e2d\u7684\u5177\u4f53\u5e94\u7528<\/h2>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u5df2\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u519b\u4e8b\u548c\u592a\u7a7a\u901a\u4fe1\u9886\u57df\u3002\u4f8b\u5982\uff0cLoRa\u00ae\u5728\u519b\u4e8b\u548c\u592a\u7a7a\u901a\u4fe1\u4e2d\u88ab\u5e7f\u6cdb\u4f7f\u7528\uff0c\u56e0\u5176\u80fd\u591f\u5b9e\u73b0\u8f83\u957f\u7684\u901a\u4fe1\u8ddd\u79bb\u5e76\u62b5\u6297\u5e72\u6270\u3002\u8fd9\u8868\u660eLoRa\u6280\u672f\u56e0\u5176\u957f\u8ddd\u79bb\u901a\u4fe1\u80fd\u529b\u548c\u6297\u5e72\u6270\u7279\u6027\uff0c\u5728\u519b\u4e8b\u901a\u4fe1\u4e2d\u5f97\u5230\u4e86\u5e94\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000\u8fdb\u4e00\u6b65\u5730\uff0c\u5747\u5f3a\u8c03\u4e86LoRa\u6280\u672f\u57fa\u4e8e\u7ebf\u6027\u6269\u9891\u8c03\u5236(Chirp Spread Spectrum)\u7684\u7279\u6027\uff0c\u8fd9\u79cd\u6280\u672f\u5df2\u5728\u519b\u4e8b\u548c\u7a7a\u95f4\u901a\u4fe1\u9886\u57df\u4f7f\u7528\u6570\u5341\u5e74\uff0c\u7528\u4e8e\u5b9e\u73b0\u957f\u901a\u4fe1\u8ddd\u79bb\u548c\u63d0\u9ad8\u4fe1\u53f7\u7684\u9c81\u68d2\u6027\u3002\u4e5f\u6307\u51faLoRa\u6280\u672f\u88ab\u5e7f\u6cdb\u7528\u4e8e\u5168\u7403\u667a\u80fd\u6284\u8868\u5e94\u7528\u548c\u519b\u4e8b\u7a7a\u95f4\u901a\u4fe1\u9886\u57df\u3002<\/p>\n\n\n\n

\u3000\u3000\u867d\u7136\u6ca1\u6709\u5177\u4f53\u7684\u519b\u4e8b\u901a\u4fe1\u6848\u4f8b\uff0c\u4f46\u4ece\u6211\u641c\u7d22\u5230\u7684\u8d44\u6599\u53ef\u4ee5\u63a8\u65ad\uff0cLoRa\u6280\u672f\u5728\u519b\u4e8b\u901a\u4fe1\u4e2d\u7684\u5e94\u7528\u53ef\u80fd\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\uff1a<\/p>\n\n\n\n