{"id":99422,"date":"2024-11-21T15:51:31","date_gmt":"2024-11-21T07:51:31","guid":{"rendered":"\/\/www.viralrail.com\/?p=99422"},"modified":"2024-11-21T15:51:35","modified_gmt":"2024-11-21T07:51:35","slug":"lwxtxmkkyztcm","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99422.html","title":{"rendered":"LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u53ef\u4ee5\u505a\u56fe\u4f20\u5417\uff1f"},"content":{"rendered":"\n

\u3000\u3000LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757<\/strong>\u7406\u8bba\u4e0a\u53ef\u4ee5\u7528\u4e8e\u56fe\u50cf\u4f20\u8f93\uff0c\u4f46\u5b83\u5e76\u4e0d\u9002\u5408\u7528\u4e8e\u9ad8\u8d28\u91cf\u6216\u5927\u6570\u636e\u91cf\u7684\u5b9e\u65f6\u56fe\u50cf\u4f20\u8f93\u3002\u8fd9\u662f\u56e0\u4e3aLoRa\u7684\u8bbe\u8ba1\u521d\u8877\u662f\u4f4e\u529f\u8017\u3001\u8fdc\u8ddd\u79bb\u3001\u4f4e\u901f\u7387\u7684\u901a\u4fe1\uff0c\u9650\u5236\u4e86\u5b83\u5728\u9ad8\u6570\u636e\u91cf\u4f20\u8f93\u573a\u666f\u7684\u8868\u73b0\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u5206\u6790\uff1a<\/p>\n\n\n\n

\"lora\"<\/figure>\n\n\n\n

\u3000\u3000\u4e00\u3001 LoRa\u6a21\u5757\u7684\u901a\u4fe1\u7279\u6027<\/h2>\n\n\n\n

\u3000\u30001. \u4f4e\u901f\u7387<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000LoRa\u7684\u901a\u4fe1\u901f\u7387\u901a\u5e38\u5728\u51e0\u767ebps\u5230\u51e0kbps\u4e4b\u95f4\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5e26\u5bbd\u3001\u6269\u9891\u56e0\u5b50(SF)\u548c\u4fe1\u9053\u914d\u7f6e\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n

\u3000\u3000\u5e26\u5bbd\u4e3a125 kHz\uff0c\u6269\u9891\u56e0\u5b50\u4e3aSF12\u65f6\uff0c\u901f\u7387\u7ea6\u4e3a250 bps\u3002<\/p>\n\n\n\n

\u3000\u3000\u5e26\u5bbd\u4e3a500 kHz\uff0c\u6269\u9891\u56e0\u5b50\u4e3aSF7\u65f6\uff0c\u901f\u7387\u53ef\u8fbe\u52309.375 kbps\u3002<\/p>\n\n\n\n

\u3000\u3000\u8fd9\u79cd\u901f\u7387\u4e0b\uff0c\u4f20\u8f93\u5927\u6570\u636e\u91cf(\u5982\u56fe\u7247)\u9700\u8981\u8f83\u957f\u65f6\u95f4\u3002<\/p>\n\n\n\n

\u3000\u30002. \u957f\u8ddd\u79bb<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000LoRa\u53ef\u4ee5\u5728\u51e0\u516c\u91cc\u5230\u5341\u51e0\u516c\u91cc\u7684\u8303\u56f4\u5185\u5b9e\u73b0\u53ef\u9760\u901a\u4fe1\uff0c\u9002\u5408\u8986\u76d6\u5e7f\u57df\u4f46\u975e\u5b9e\u65f6\u4f20\u8f93\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n

\u3000\u30003. \u4f4e\u529f\u8017<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u9002\u5408\u7269\u8054\u7f51\u8bbe\u5907\uff0c\u4f46\u5728\u957f\u65f6\u95f4\u56fe\u50cf\u4f20\u8f93\u4e2d\uff0c\u53ef\u80fd\u9762\u4e34\u8017\u65f6\u8fc7\u957f\u7684\u95ee\u9898\u3002<\/strong><\/p>\n\n\n\n

\u3000\u3000LoRa\u6a21\u5757\u53ef\u4ee5\u7528\u4e8e\u5c0f\u56fe\u7247\u6216\u975e\u5b9e\u65f6\u56fe\u50cf\u4f20\u8f93\uff0c\u4f46\u7531\u4e8e\u901f\u7387\u9650\u5236\uff0c\u5b83\u5e76\u4e0d\u9002\u5408\u5927\u6570\u636e\u91cf\u3001\u9ad8\u901f\u7387\u7684\u56fe\u4f20\u9700\u6c42\u3002<\/strong>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u63a8\u8350\u7ed3\u5408LoRa\u4e0e\u5176\u4ed6\u9ad8\u901f\u901a\u4fe1\u6280\u672f(\u5982Wi-Fi)\u4ee5\u6ee1\u8db3\u7279\u5b9a\u9700\u6c42\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5728\u56fe\u50cf\u4f20\u8f93\u65b9\u9762\u7684\u5b9e\u9645\u5e94\u7528<\/h2>\n\n\n\n

\u3000\u3000LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5728\u56fe\u50cf\u4f20\u8f93\u65b9\u9762\u7684\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

\u3000\u3000\u7ea2\u6811\u6797\u76d1\u6d4b<\/strong>\uff1a\u5728\u9a6c\u6765\u897f\u4e9aSabak Bernam\u5730\u533a\u7684\u7ea2\u6811\u6797\u76d1\u6d4b\u9879\u76ee\u4e2d\uff0cLoRa\u6280\u672f\u88ab\u7528\u4e8e\u4f20\u8f93\u7531\u56fe\u50cf\u4f20\u611f\u5668\u6355\u83b7\u7684\u7ea2\u6811\u6797\u56fe\u50cf\u3002\u8fd9\u4e00\u5e94\u7528\u5c55\u793a\u4e86LoRa\u5728WSN(\u65e0\u7ebf\u4f20\u611f\u5668\u7f51\u7edc)\u4e2d\u7684\u9996\u6b21\u4f7f\u7528\uff0c\u7528\u4e8e\u73af\u5883\u76d1\u6d4b\u3002<\/p>\n\n\n\n

\u3000\u3000\u91ce\u5916\u76d1\u63a7\u7cfb\u7edf<\/strong>\uff1a\u4e00\u79cd\u57fa\u4e8e\u7269\u8054\u7f51\u6280\u672f\u7684\u91ce\u5916\u76d1\u63a7\u56fe\u50cf\u81ea\u52a8\u4f20\u8f93\u7cfb\u7edf\u5229\u7528LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5b9e\u73b0\u91ce\u751f\u52a8\u7269\u76d1\u6d4b\u6570\u636e\u7684\u4f20\u8f93\u3002\u8be5\u7cfb\u7edf\u914d\u7f6e\u4e862.4GHz Wi-Fi\u30015GHz Wi-Fi\u548cLoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\uff0c\u5176\u4e2dLoRa\u6a21\u5757\u7528\u4e8e\u63a5\u6536\u65e0\u4eba\u673a\u53d1\u51fa\u7684\u5524\u9192\u6307\u4ee4\uff0c\u4ee5\u5524\u9192\u9ad8\u529f\u8017\u76845GHz Wi-Fi\u6a21\u5757\uff0c\u8fdb\u800c\u5c06\u91c7\u96c6\u5230\u7684\u6570\u636e\u8f6c\u53d1\u81f3\u65e0\u4eba\u673a\u3002<\/p>\n\n\n\n

\u3000\u3000\u8461\u8404\u53f6\u75be\u75c5\u8bc6\u522b<\/strong>\uff1a\u7814\u7a76\u4e2d\u63a2\u8ba8\u4e86LoRa\u534f\u8bae\u5728\u8461\u8404\u53f6\u75be\u75c5\u8bc6\u522b\u4e2d\u7684\u5e94\u7528\u3002\u901a\u8fc7\u5c06\u56fe\u50cf\u8f6c\u6362\u4e3a\u7070\u5ea6\u56fe\u4ee5\u51cf\u5c0f\u56fe\u50cf\u5927\u5c0f\uff0c\u6210\u529f\u5730\u4f7f\u7528LoRa\u534f\u8bae\u53d1\u9001\u8461\u8404\u53f6\u56fe\u50cf\u3002\u5c3d\u7ba1\u5b58\u5728\u6700\u5927\u5360\u7a7a\u6bd4\u9650\u5236(1%)\uff0c\u4f46\u5b9e\u9a8c\u8868\u660e\u5373\u4f7f\u572850%\u7684\u56fe\u50cf\u4e22\u5931\u60c5\u51b5\u4e0b\uff0c\u5377\u79ef\u795e\u7ecf\u7f51\u7edc(CNN)\u6a21\u578b\u4ecd\u80fd\u6709\u6548\u8bc6\u522b\u8461\u8404\u53f6\u75be\u75c5\u3002<\/p>\n\n\n\n

\u3000\u3000\u519c\u4e1aIoT\u5e73\u53f0\u4e0a\u7684\u56fe\u50cf\u76d1\u63a7<\/strong>\uff1aChen\u7b49\u4eba\u63d0\u51fa\u4e86MPLR\u534f\u8bae\uff0c\u7528\u4e8eLoRa\u7f51\u7edc\u4e2d\u7684\u56fe\u50cf\u8c03\u5ea6\uff0c\u4ee5\u5b9e\u73b0\u519c\u4e1aIoT\u5e73\u53f0\u4e0a\u7684\u56fe\u50cf\u76d1\u63a7\u3002\u6b64\u5916\uff0cJi\u7b49\u4eba\u63d0\u51fa\u4e86\u4e00\u79cd\u65b9\u6cd5\uff0c\u5c06\u56fe\u50cf\u4f20\u8f93\u5230\u5fae\u5c0f\u7684\u7f51\u683c\u5757\u4e2d\uff0c\u53ea\u6709\u5728\u68c0\u6d4b\u5230\u53d8\u5316\u65f6\u624d\u53d1\u9001\u7f51\u683c\u5757\uff0c\u4ece\u800c\u5728\u76d1\u63a7\u9759\u6001\u519c\u4e1a\u7ad9\u70b9\u65f6\u4fdd\u7559\u4e86\u663e\u8457\u7684\u94fe\u8def\u9884\u7b97\u5e76\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 \u5982\u4f55\u901a\u8fc7LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u8fdb\u884c\u56fe\u50cf\u6216\u89c6\u9891\u4fe1\u53f7\u7684\u7f16\u7801\u548c\u89e3\u7801?<\/h2>\n\n\n\n

\u3000\u3000\u901a\u8fc7LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u8fdb\u884c\u56fe\u50cf\u6216\u89c6\u9891\u4fe1\u53f7\u7684\u7f16\u7801\u548c\u89e3\u7801\u6d89\u53ca\u591a\u4e2a\u6b65\u9aa4\uff0c\u5305\u62ec\u56fe\u50cf\u5904\u7406\u3001\u5206\u7c7b\u3001\u538b\u7f29\u611f\u77e5\u3001LoRa\u7b26\u53f7\u7684\u4f20\u8f93\u4e0e\u63a5\u6536\u3001\u540e\u5904\u7406\u4ee5\u53ca\u56fe\u50cf\u91cd\u5efa\u6280\u672f\u3002\u9996\u5148\uff0c\u56fe\u50cf\u88ab\u5206\u7c7b\u4e3a\u6b63\u5e38\u6216\u5f02\u5e38\u7279\u5f81\uff0c\u4ec5\u4f20\u8f93\u5f02\u5e38\u6837\u672c\u3002\u5f02\u5e38\u6837\u672c\u4f7f\u7528\u5c0f\u6ce2\u53d8\u6362\u8f6c\u6362\uff0c\u7136\u540e\u4e0eCS\u64cd\u4f5c\u7ed3\u5408\uff0c\u7ed3\u679c\u63d0\u4f9b\u5305\u542b\u5341\u8fdb\u5236\u548c\u8d1f\u6570\u7684\u7a00\u758f\u5411\u91cf\u3002\u8fd9\u4e9b\u7a00\u758f\u5411\u91cf\u4fe1\u606f\u9700\u8981\u7f16\u7801\u4e3aLoRa\u7b26\u53f7\u652f\u6301\u7684\u6570\u636e\uff0c\u5b9e\u73b0\u5177\u67098\u4f4d\u7ed3\u6784\u7684\u7f16\u7801\u5668\u548c\u89e3\u7801\u5668\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728LoRa\u8c03\u5236\u8fc7\u7a0b\u4e2d\uff0cLoRa\u91c7\u7528Chirp Spread Spectrum(CSS)\u8c03\u5236\uff0c\u5177\u6709\u5f88\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7279\u522b\u9002\u7528\u4e8eISM\u9891\u6bb5\u3002LoRa\u4f7f\u7528M-ary\u8c03\u5236\u65b9\u6848\uff0c\u57fa\u4e8echirps\u8fdb\u884c\u7f16\u7801\uff0c\u901a\u8fc7\u5faa\u73af\u79fb\u4f4d\u4ea7\u751f\u4e0d\u540c\u7b26\u53f7\uff0c\u6bcf\u4e2a\u7b26\u53f7\u7531K\u4e2a\u7b49\u957f\u7684\u65f6\u9699\u7ec4\u6210\uff0c\u79f0\u4e3achips\u3002\u6570\u636e\u901f\u7387(DR)\u53d6\u51b3\u4e8e\u5e26\u5bbd\u3001SF\u548c\u7f16\u7801\u7387(CR)\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u63a5\u6536\u7aef\uff0cLoRa\u4fe1\u53f7\u901a\u8fc7\u5339\u914d\u6ee4\u6ce2\u6280\u672f\u5904\u7406\uff0c\u901a\u8fc7\u4e0e\u672a\u77e5\u7f16\u7801up-chirp\u4fe1\u53f7\u7684\u5df2\u77e5\u539f\u59cbdown-chirp\u4fe1\u53f7\u76f8\u5173\u8054\u6765\u68c0\u6d4b\u79fb\u4f4d\u7684\u5b58\u5728\u3002\u63a5\u6536\u7684\u7f16\u7801up-chirp\u4fe1\u53f7\u4e0e\u539f\u59cb\u4fe1\u53f7\u7684\u5171\u8f6d\u65f6\u95f4\u53cd\u8f6c\u7248\u672c\u8fdb\u884c\u5377\u79ef\uff0c\u4ee5\u68c0\u6d4b\u9891\u7387\u503cBW\u7684\u79fb\u4f4d\u3002\u901a\u8fc7\u91c7\u6837\u4fe1\u53f7\u5728\u82af\u7247\u901f\u7387BW\u4e0b\u8fdb\u884c\u4e0b\u8f6c\u6362\uff0c\u4f7f\u77ac\u65f6\u9891\u7387\u5728\u6574\u4e2achirp\u4e0a\u8fde\u7eed\uff0c\u51cf\u53bb\u8f7d\u6ce2\u540e\uff0c\u77ac\u65f6\u9891\u7387\u4e0e\u79fb\u4f4dk\u6210\u6bd4\u4f8b\u3002<\/p>\n\n\n\n

\u3000\u3000\u89e3\u7801\u8fc7\u7a0b\u5305\u62ec\u683c\u96f7\u7f16\u7801\u3001\u53bb\u4ea4\u7ec7\u3001\u6c49\u660e\u89e3\u7801\u548c\u53bb\u767d\u5316\u7b49\u5173\u952e\u64cd\u4f5c\u3002\u683c\u96f7\u7f16\u7801\u6709\u52a9\u4e8e\u51cf\u5c11\u56e0\u76f8\u90bb\u7b26\u53f7\u8bc6\u522b\u9519\u8bef\u5bfc\u81f4\u7684\u4f4d\u9519\u8bef\uff0c\u4ece\u800c\u63d0\u9ad8\u9519\u8bef\u7ea0\u6b63\u673a\u5236\u7684\u4fee\u6b63\u53ef\u80fd\u6027\u3002\u89e3\u7801\u63a5\u6536\u7684\u6570\u636e\u5bf9\u4e8e\u6062\u590d\u56fe\u50cf\u81f3\u5173\u91cd\u8981\uff0c\u9700\u8981\u5728\u63a5\u6536\u5230\u7684\u591a\u4e2a\u6570\u636e\u5305\u4e2d\u6574\u5408\u4e00\u4e2a\u76f8\u4f3c\u957f\u5ea6\u7684\u5411\u91cf\uff0c\u5305\u542b\u5c0f\u6ce2\u53d8\u6362\u8f93\u51fa\u503c\u3001\u4f4d\u7f6e\u548c\u8d1f\u503c\u4f4d\u7f6e\u7684\u4fe1\u606f\u3002\u901a\u8fc7\u4f7f\u7528\u91cd\u6784\u8fc7\u7a0b\u5229\u7528\u5176\u7279\u5f81\u91cd\u5efa\u5411\u91cf\uff0c\u7136\u540e\u4f7f\u7528\u5c0f\u6ce2\u9006\u53d8\u6362\u6062\u590d\u539f\u59cb\u4fe1\u606f\u5411\u91cf\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001 LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u4e0e\u5176\u4ed6\u56fe\u50cf\u4f20\u8f93\u6280\u672f\u5728\u6027\u80fd\u4e0a\u7684\u6bd4\u8f83<\/h2>\n\n\n\n

\u3000\u3000LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u4e0e\u5176\u4ed6\u56fe\u50cf\u4f20\u8f93\u6280\u672f(\u5982Wi-Fi\u30014G\/5G)\u5728\u6027\u80fd\u4e0a\u7684\u6bd4\u8f83\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u4f20\u8f93\u8ddd\u79bb<\/strong>\uff1aLoRa\u5177\u6709\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u53ef\u8fbe10\u516c\u91cc\uff0c\u800cWi-Fi\u7684\u4f20\u8f93\u8ddd\u79bb\u4ec5\u4e3a80\u7c73\u3002LoRa\u6280\u672f\u4f7f\u7528\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u80fd\u591f\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u7684\u901a\u4fe1\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u529f\u8017<\/strong>\uff1aLoRa\u7684\u529f\u8017\u8f83\u4f4e\uff0c\u4ec5\u4e3a10\u6beb\u5b89\u65f6\uff0c\u800cWi-Fi\u7684\u529f\u8017\u5219\u9ad8\u8fbe80\u6beb\u5b89\u65f6\u3002LoRa\u901a\u4fe1\u7531\u4e8e\u5176\u8f83\u77ed\u7684\u5e26\u5bbd\uff0c\u9700\u8981\u7684\u80fd\u6e90\u6d88\u8017\u6bd4\u5176\u4ed6\u6280\u672f\u5982WiFi\u6216GSM\u66f4\u4f4e\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u4f20\u8f93\u901f\u7387<\/strong>\uff1aLoRa\u7684\u4f20\u8f93\u901f\u7387\u4e00\u822c\u5728\u51e0\u767ebps\u5230\u51e0\u5343bps\u4e4b\u95f4\uff0c\u800cWi-Fi\u7684\u4f20\u8f93\u901f\u7387\u8f83\u9ad8\u3002\u7136\u800c\uff0cLoRa\u6280\u672f\u7684\u4f20\u8f93\u901f\u7387\u4e5f\u8f83\u9ad8\uff0c\u53ef\u8fbe5000\u6bd4\u7279\/\u79d2\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1aLoRa\u6280\u672f\u7684\u6297\u5e72\u6270\u80fd\u529b\u8f83\u5f3a\uff0c\u80fd\u591f\u62b5\u6297\u9ad8\u8fbe99%\u7684\u5e72\u6270\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u7075\u6d3b\u6027\u548c\u4fbf\u5229\u6027<\/strong>\uff1aLoRa\u7f51\u7edc\u5177\u6709\u7075\u6d3b\u6027\u548c\u4fbf\u5229\u6027\uff0c\u53ef\u4ee5\u6839\u636e\u5e94\u7528\u9700\u8981\u8fdb\u884c\u6309\u9700\u90e8\u7f72\u548c\u89c4\u5212\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u6210\u672c<\/strong>\uff1aLoRa\u6280\u672f\u5177\u6709\u4f4e\u6210\u672c\u7684\u7279\u70b9\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5728\u4f20\u8f93\u8ddd\u79bb\u3001\u529f\u8017\u3001\u6297\u5e72\u6270\u80fd\u529b\u548c\u7075\u6d3b\u6027\u65b9\u9762\u5177\u6709\u663e\u8457\u4f18\u52bf\uff0c\u4f46\u5728\u4f20\u8f93\u901f\u7387\u65b9\u9762\u53ef\u80fd\u4e0d\u5982Wi-Fi\u7b49\u6280\u672f\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4e94\u3001LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u8fdb\u884c\u56fe\u50cf\u4f20\u8f93\u7684\u6280\u672f\u6311\u6218\u548c\u89e3\u51b3\u65b9\u6848<\/h2>\n\n\n\n

    \u3000\u3000\u9488\u5bf9LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u8fdb\u884c\u56fe\u50cf\u4f20\u8f93\u7684\u6280\u672f\u6311\u6218\u4e3b\u8981\u5305\u62ec\u5e26\u5bbd\u9650\u5236\u3001\u5360\u7a7a\u6bd4\u7ea6\u675f\u4ee5\u53ca\u56fe\u50cf\u6570\u636e\u91cf\u5927\u5bfc\u81f4\u7684\u4f20\u8f93\u65f6\u95f4\u957f\u7b49\u95ee\u9898\u3002LoRa\u6280\u672f\u867d\u7136\u5177\u6709\u5927\u8986\u76d6\u8303\u56f4\u548c\u4f4e\u529f\u8017\u7684\u7279\u70b9\uff0c\u4f46\u5728\u4f20\u8f93\u5927\u56fe\u50cf\u65f6\uff0c\u7531\u4e8e\u5176\u7a84\u5e26\u5bbd\u548c1%\u7684\u5360\u7a7a\u6bd4\u9650\u5236\uff0c\u4f7f\u5f97\u4ece\u4f20\u611f\u8282\u70b9\u5230\u63a5\u6536\u5668\u7684\u6570\u636e\u4f20\u8f93\u53d8\u5f97\u975e\u5e38\u7f13\u6162\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u6311\u6218\uff0c\u7814\u7a76\u8005\u4eec\u63d0\u51fa\u4e86\u591a\u79cd\u89e3\u51b3\u65b9\u6848\u3002\u9996\u5148\uff0c\u901a\u8fc7\u56fe\u50cf\u5904\u7406\u548c\u538b\u7f29\u6280\u672f\u51cf\u5c11\u56fe\u50cf\u4e2d\u7684\u4fe1\u606f\u91cf\uff0c\u4ece\u800c\u4fbf\u4e8e\u901a\u8fc7LoRa\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u538b\u7f29\u611f\u77e5\u6280\u672f\u548c\u5c0f\u6ce2\u53d8\u6362\u5bf9\u56fe\u50cf\u6570\u636e\u8fdb\u884c\u8f6c\u6362\uff0c\u4ee5\u6574\u5408\u6837\u672c\u5e76\u51cf\u5c11\u539f\u59cb\u6570\u636e\u7684\u53d8\u5f02\u6027\u3002\u6b64\u5916\uff0c\u91c7\u7528\u72ec\u7acb\u7f16\u7801\u5757\u7684\u7f16\u7801\u65b9\u6848\u548c\u79bb\u6563\u4f59\u5f26\u53d8\u6362\u8fdb\u884c\u56fe\u50cf\u538b\u7f29\uff0c\u5f62\u6210\u7c7b\u4f3cJPEG\u7684\u7f16\u89e3\u7801\u5668\uff0c\u4f18\u5316\u50cf\u7d20\u5757\u7684\u6570\u636e\u8ba1\u7b97\uff0c\u4fdd\u6301\u4f4e\u8ba1\u7b97\u5f00\u9500\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0c\u5229\u7528\u8f6f\u4ef6\u5b9a\u4e49\u65e0\u7ebf\u7535(SDR)\u5e73\u53f0\u5b9e\u73b0LoRa\u8c03\u5236\u7279\u6027\u5b8c\u5168\u63a7\u5236\uff0c\u5305\u62ec\u5e26\u5bbd\u3001\u4f20\u8f93\u529f\u7387\u3001\u6269\u5c55\u56e0\u5b50\u7b49\u53c2\u6570\u7684\u8c03\u6574\uff0c\u4ee5\u6ee1\u8db3\u7279\u5b9a\u5e94\u7528\u9700\u6c42\u3002\u540c\u65f6\uff0c\u91c7\u7528\u9002\u5e94\u7684\u8f7d\u6ce2\u611f\u77e5\u591a\u5740(CSMA)\u673a\u5236\u9632\u6b62\u6570\u636e\u5305\u78b0\u649e\u548c\u4e22\u5931\uff0c\u5e76\u7ed3\u5408\u5171\u4eab\u6d3b\u52a8\u65f6\u95f4\u5e27\u8c03\u5ea6\u6280\u672f\u89e3\u51b3\u5468\u671f\u6027\u95ee\u9898\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4e3a\u4e86\u63d0\u9ad8\u63a5\u6536\u6570\u636e\u7684\u51c6\u786e\u6027\u548c\u5b8c\u6574\u6027\uff0c\u5728\u63a5\u6536\u7aef\u5e94\u7528\u540e\u5904\u7406\u548c\u91cd\u5efa\u6280\u672f\uff0c\u5982\u9006\u5c0f\u6ce2\u53d8\u6362\u6765\u6062\u590d\u539f\u59cb\u6570\u636e\u3002\u6b64\u5916\uff0c\u8fd8\u63a2\u8ba8\u4e86\u4fee\u6539LoRa\u7269\u7406\u5c42\u4ee5\u89e3\u51b3\u6570\u636e\u5305\u78b0\u649e\u95ee\u9898\u7684\u65b9\u6cd5\uff0c\u5c3d\u7ba1\u5927\u591a\u6570\u65b9\u6cd5\u96c6\u4e2d\u5728\u7d27\u51d1\u7684\u56fe\u50cf\u8868\u793a\u4e0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7406\u8bba\u4e0a\u53ef\u4ee5\u7528\u4e8e\u56fe\u50cf\u4f20\u8f93\uff0c\u4f46\u5b83\u5e76\u4e0d\u9002\u5408\u7528\u4e8e\u9ad8\u8d28\u91cf\u6216\u5927\u6570\u636e\u91cf\u7684\u5b9e\u65f6\u56fe\u50cf\u4f20\u8f93\u3002\u8fd9\u662f\u56e0\u4e3aLoRa\u7684\u8bbe\u8ba1\u521d\u8877\u662f\u4f4e\u529f\u8017\u3001\u8fdc\u8ddd\u79bb\u3001\u4f4e\u901f\u7387\u7684\u901a\u4fe1<\/p>\n","protected":false},"author":1,"featured_media":98952,"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":[54,403],"class_list":["post-99422","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-l-2","tag-wirelessmodule"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/99422","targetHints":{"allow":["GET"]}}],"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=99422"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/99422\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/98952"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=99422"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=99422"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=99422"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}