{"id":90815,"date":"2024-04-07T14:52:12","date_gmt":"2024-04-07T06:52:12","guid":{"rendered":"\/\/www.dealsbon.com\/?p=90815"},"modified":"2024-04-07T14:52:16","modified_gmt":"2024-04-07T06:52:16","slug":"lkpyzsgsmd","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/90815.html","title":{"rendered":"LoRa\u6269\u9891\u56e0\u5b50\u662f\u5e72\u4ec0\u4e48\u7684\uff1f"},"content":{"rendered":"\n

\u3000\u3000LoRa\u6269\u9891\u56e0\u5b50(SF)<\/strong>\u662fLoRa\u6280\u672f\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u53c2\u6570\uff0c\u5b83\u901a\u8fc7\u51b3\u5b9a\u6bcf\u4e2a\u4fe1\u606f\u4f4d\u53d1\u9001\u7684\u7b26\u53f7\u6570\u91cf\u6765\u5f71\u54cdLoRa\u8c03\u5236\u65b9\u5f0f\u4e0b\u7684\u4fe1\u53f7\u9891\u8c31\u6269\u5c55\u3002\u6269\u9891\u56e0\u5b50\u662f\u4e00\u4e2a\u53ef\u8c03\u8282\u7684\u53c2\u6570\uff0c\u901a\u8fc7\u8c03\u6574\u5b83\u53ef\u4ee5\u8c03\u8282\u901a\u4fe1\u4fe1\u53f7\u7684\u5e26\u5bbd\uff0c\u8fdb\u800c\u5f71\u54cd\u901a\u4fe1\u7684\u8986\u76d6\u8303\u56f4\u3002\u8f83\u4f4e\u7684\u6269\u9891\u56e0\u5b50\u53ef\u4ee5\u63d0\u9ad8\u4fe1\u53f7\u7684\u4f20\u8f93\u901f\u7387\uff0c\u4f46\u901a\u4fe1\u8303\u56f4\u8f83\u5c0f;\u800c\u8f83\u9ad8\u7684\u6269\u9891\u56e0\u5b50\u5219\u53ef\u4ee5\u5b9e\u73b0\u66f4\u8fdc\u8ddd\u79bb\u7684\u901a\u4fe1\uff0c\u4f46\u4f20\u8f93\u901f\u7387\u4f1a\u964d\u4f4e\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u6269\u9891\u56e0\u5b50\u51b3\u5b9a\u4e86\u4fe1\u53f7\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u6269\u9891\u7a0b\u5ea6\uff0c\u5373\u628a\u6bcf\u4e2a\u4fe1\u606f\u4f4d\u6269\u5c55\u6210\u591a\u4e2a\u201c\u7b26\u53f7\u201d\uff0c\u8fd9\u6837\u505a\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u63d0\u9ad8\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u964d\u4f4e\u8bef\u7801\u7387\uff0c\u540c\u65f6\u727a\u7272\u4e00\u5b9a\u7684\u4f20\u8f93\u901f\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u6269\u9891\u56e0\u5b50\u7684\u8bbe\u5b9a\u8303\u56f4\u4e3a6\u523012.\u5176\u4e2dSF7\u662f\u7a7a\u4e2d\u65f6\u95f4\u6700\u77ed\u7684\uff0c\u800cSF12\u662f\u7a7a\u4e2d\u65f6\u95f4\u6700\u957f\u7684\u3002\u6bcf\u589e\u52a0\u4e00\u4e2a\u6269\u9891\u56e0\u5b50\u7b49\u7ea7\uff0c\u4f20\u8f93\u76f8\u540c\u6570\u91cf\u6570\u636e\u7684\u65f6\u95f4\u5c31\u8981\u589e\u52a0\u4e00\u500d\u3002\u8fd9\u610f\u5473\u7740\uff0c\u5728\u76f8\u540c\u7684\u5e26\u5bbd\u4e0b\uff0c\u66f4\u957f\u7684\u7a7a\u4e2d\u65f6\u95f4\u4f1a\u5bfc\u81f4\u5355\u4f4d\u65f6\u95f4\u5185\u4f20\u8f93\u7684\u6570\u636e\u66f4\u5c11\u3002\u6b64\u5916\uff0c\u6269\u9891\u56e0\u5b50\u8fd8\u4e0e\u6b63\u4ea4\u7801(OVSF: Orthogonal Variable Spreading Factor\uff0c\u6b63\u4ea4\u53ef\u53d8\u6269\u9891\u56e0\u5b50)\u6709\u5173\uff0c\u901a\u8fc7OVSF\u53ef\u4ee5\u5f97\u5230\u6b63\u4ea4\u7684\u6269\u9891\u7801\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u6269\u9891\u56e0\u5b50\u7684\u4f5c\u7528\u4e3b\u8981\u662f\u901a\u8fc7\u8c03\u8282\u6bcf\u4e2a\u4fe1\u606f\u4f4d\u53d1\u9001\u7684\u7b26\u53f7\u6570\u91cf\u6765\u4f18\u5316\u901a\u4fe1\u4fe1\u53f7\u7684\u5e26\u5bbd\u548c\u8986\u76d6\u8303\u56f4\uff0c\u4ee5\u53ca\u63d0\u9ad8\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u4f46\u53ef\u80fd\u4f1a\u727a\u7272\u4e00\u5b9a\u7684\u4f20\u8f93\u901f\u7387\u3002<\/strong><\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 LoRa\u6269\u9891\u56e0\u5b50(SF)\u5bf9\u901a\u4fe1\u8986\u76d6\u8303\u56f4\u7684\u5177\u4f53\u5f71\u54cd\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

\u3000\u3000LoRa\u6269\u9891\u56e0\u5b50(SF)\u5bf9\u901a\u4fe1\u8986\u76d6\u8303\u56f4\u7684\u5177\u4f53\u5f71\u54cd\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u8986\u76d6\u8303\u56f4\u4e0e\u7075\u654f\u5ea6\u7684\u5173\u7cfb\uff1a\u6269\u9891\u56e0\u5b50\u8d8a\u5927\uff0c\u8868\u793a\u6bcf\u4e2a\u4fe1\u606f\u4f4d\u53d1\u9001\u7684\u7b26\u53f7\u6570\u91cf\u8d8a\u591a\uff0c\u8fd9\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u4f20\u8f93\u8ddd\u79bb\u3002\u540c\u65f6\uff0c\u8fd9\u4e5f\u610f\u5473\u7740\u63a5\u6536\u7aef\u9700\u8981\u66f4\u9ad8\u7684\u7075\u654f\u5ea6\u6765\u6b63\u786e\u89e3\u7801\u8fd9\u4e9b\u4fe1\u53f7\u3002\u56e0\u6b64\uff0cSF\u8f83\u5927\u7684\u60c5\u51b5\u4e0b\uff0cLoRa\u8bbe\u5907\u80fd\u591f\u5728\u66f4\u8fdc\u7684\u8ddd\u79bb\u4e0a\u63a5\u6536\u4fe1\u53f7\uff0c\u4ece\u800c\u6269\u5927\u4e86\u8986\u76d6\u8303\u56f4\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u6570\u636e\u4f20\u8f93\u901f\u7387\u4e0e\u53ef\u7528\u5e26\u5bbd\u7684\u5f71\u54cd\uff1a\u867d\u7136\u6269\u9891\u56e0\u5b50\u7684\u589e\u52a0\u53ef\u4ee5\u63d0\u9ad8\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u4f20\u8f93\u8ddd\u79bb\uff0c\u4f46\u8fd9\u4e5f\u4f1a\u5f71\u54cd\u5230\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u53ef\u7528\u5e26\u5bbd\u3002\u56e0\u4e3a\u6bcf\u4e2a\u7b26\u53f7\u643a\u5e26\u7684\u4fe1\u606f\u91cf\u51cf\u5c11\u4e86\uff0c\u6240\u4ee5\u4f20\u8f93\u76f8\u540c\u7684\u6570\u636e\u91cf\u6240\u9700\u7684\u65f6\u95f4\u4f1a\u589e\u52a0\uff0c\u8fdb\u800c\u5f71\u54cd\u5230\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u63a5\u6536\u7075\u654f\u5ea6\u7684\u63d0\u9ad8\uff1aLoRa\u6280\u672f\u901a\u8fc7\u4f7f\u7528\u6269\u9891\u6280\u672f\uff0c\u63d0\u9ad8\u4e86\u63a5\u6536\u7075\u654f\u5ea6\uff0c\u4f7f\u5f97\u5728\u8f83\u4f4e\u4fe1\u566a\u6bd4\u6761\u4ef6\u4e0b\u4e5f\u80fd\u6b63\u5e38\u63a5\u6536\u4fe1\u53f7\u3002\u8fd9\u79cd\u63d0\u9ad8\u7684\u63a5\u6536\u7075\u654f\u5ea6\u6709\u52a9\u4e8e\u5728\u66f4\u8fdc\u7684\u8ddd\u79bb\u4e0a\u63a5\u6536\u4fe1\u53f7\uff0c\u4ece\u800c\u6539\u5584\u4e86\u8986\u76d6\u8303\u56f4\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u94fe\u8def\u9884\u7b97\u4e0e\u8986\u76d6\u8303\u56f4\uff1a\u7406\u8bba\u4e0a\uff0c\u6bcf\u589e\u52a0\u4e00\u4e2a\u6269\u9891\u56e0\u5b50\u7b49\u7ea7\uff0c\u5927\u7ea6\u4f1a\u589e\u52a02.5dB\u7684\u989d\u5916\u94fe\u8def\u9884\u7b97\u3002\u8fd9\u610f\u5473\u7740\u5728\u76f8\u540c\u7684\u6761\u4ef6\u4e0b\uff0cSF\u503c\u8d8a\u5927\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u652f\u6301\u66f4\u8fdc\u8ddd\u79bb\u7684\u901a\u4fe1\uff0c\u4ece\u800c\u6269\u5927\u4e86\u8986\u76d6\u8303\u56f4\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u8986\u76d6\u8303\u56f4\uff1a\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cLoRa\u7684\u57fa\u7ad9\u8986\u76d6\u8303\u56f4\u53ef\u4ee5\u8fbe\u52302-5\u516c\u91cc\uff0c\u5728\u65e0\u969c\u788d\u7269\u7684\u60c5\u51b5\u4e0b\uff0c\u751a\u81f3\u53ef\u4ee5\u8fbe\u523015\u516c\u91cc\u3002\u8fd9\u8868\u660e\u901a\u8fc7\u5408\u7406\u9009\u62e9\u6269\u9891\u56e0\u5b50\uff0c\u53ef\u4ee5\u5728\u57ce\u9547\u7b49\u73af\u5883\u4e2d\u5b9e\u73b0\u8f83\u8fdc\u7684\u901a\u4fe1\u8986\u76d6\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000LoRa\u6269\u9891\u56e0\u5b50(SF)\u5bf9\u901a\u4fe1\u8986\u76d6\u8303\u56f4\u7684\u5f71\u54cd\u4e3b\u8981\u8868\u73b0\u4e3a\u901a\u8fc7\u63d0\u9ad8\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u63a5\u6536\u7075\u654f\u5ea6\u6765\u6269\u5927\u8986\u76d6\u8303\u56f4\uff0c\u4f46\u540c\u65f6\u4e5f\u4f1a\u964d\u4f4e\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u51cf\u5c11\u53ef\u7528\u5e26\u5bbd\u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1LoRa\u7f51\u7edc\u65f6\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42\u6765\u5e73\u8861\u8fd9\u4e9b\u56e0\u7d20\uff0c\u4ee5\u8fbe\u5230\u6700\u4f73\u7684\u901a\u4fe1\u6548\u679c\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4e8c\u3001 \u5982\u4f55\u6839\u636e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u9009\u62e9\u5408\u9002\u7684LoRa\u6269\u9891\u56e0\u5b50(SF)?<\/h2>\n\n\n\n

    \u3000\u3000\u5728\u9009\u62e9LoRa\u6269\u9891\u56e0\u5b50(SF)\u65f6\uff0c\u9700\u8981\u8003\u8651\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\uff0c\u5305\u62ec\u6570\u636e\u901f\u7387\u3001\u4f20\u8f93\u8ddd\u79bb\u3001\u7f51\u7edc\u5bb9\u91cf\u548c\u5e72\u6270\u7b49\u56e0\u7d20\u3002<\/strong>\u4ee5\u4e0b\u662f\u6839\u636e\u4e0d\u540c\u5e94\u7528\u573a\u666f\u9009\u62e9\u5408\u9002SF\u7684\u4e00\u4e9b\u5efa\u8bae\uff1a<\/p>\n\n\n\n

      \n
    • \u3000\u3000\u6570\u636e\u901f\u7387\u9700\u6c42<\/strong>\uff1a\u5982\u679c\u5e94\u7528\u573a\u666f\u9700\u8981\u8f83\u9ad8\u7684\u6570\u636e\u901f\u7387\uff0c\u53ef\u4ee5\u9009\u62e9\u8f83\u5927\u7684SF\u503c\u3002\u4f8b\u5982\uff0cSF7\u548cBW125kHz\u7684\u7ec4\u5408\u53ef\u4ee5\u5b9e\u73b0\u8f83\u9ad8\u7684\u6570\u636e\u901f\u7387\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5feb\u901f\u4f20\u8f93\u6570\u636e\u7684\u5e94\u7528\u573a\u666f\u3002\u7136\u800c\uff0c\u968f\u7740SF\u503c\u7684\u589e\u52a0\uff0c\u6bcf\u4e2a\u7b26\u53f7\u643a\u5e26\u7684\u4fe1\u606f\u91cf\u51cf\u5c11\uff0c\u5bfc\u81f4\u6570\u636e\u901f\u7387\u4e0b\u964d\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u4f20\u8f93\u8ddd\u79bb\u4e0e\u7a7f\u900f\u80fd\u529b<\/strong>\uff1a\u8f83\u5927\u7684SF\u503c\u6709\u52a9\u4e8e\u63d0\u9ad8\u4fe1\u53f7\u7684\u7a7f\u900f\u80fd\u529b\u548c\u4f20\u8f93\u8ddd\u79bb\u3002\u8fd9\u662f\u56e0\u4e3a\u8f83\u5927\u7684SF\u503c\u610f\u5473\u7740\u66f4\u591a\u7684\u91cd\u4f20\u6b21\u6570\u548c\u66f4\u957f\u7684\u7f16\u7801\u65f6\u95f4\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u56e0\u6b64\uff0c\u5bf9\u4e8e\u9700\u8981\u957f\u8ddd\u79bb\u901a\u4fe1\u6216\u7a7f\u900f\u969c\u788d\u7269\u7684\u5e94\u7528\u573a\u666f\uff0c\u5e94\u9009\u62e9\u8f83\u5927\u7684SF\u503c\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u7f51\u7edc\u5bb9\u91cf\u4e0e\u5e72\u6270\u7ba1\u7406<\/strong>\uff1a\u5728\u591a\u7528\u6237\u6216\u5bc6\u96c6\u90e8\u7f72\u7684\u73af\u5883\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684SF\u503c\u5bf9\u4e8e\u7ba1\u7406\u548c\u51cf\u5c11\u5e72\u6270\u81f3\u5173\u91cd\u8981\u3002\u8f83\u5c0f\u7684SF\u503c(\u5982SF7\u5230SF12)\u901a\u5e38\u7528\u4e8e\u4f4e\u5bc6\u5ea6\u533a\u57df\uff0c\u4ee5\u51cf\u5c11\u540c\u9891\u5e72\u6270\u7684\u53ef\u80fd\u6027\u3002\u800c\u5728\u9ad8\u5bc6\u5ea6\u533a\u57df\u6216\u9700\u8981\u652f\u6301\u66f4\u591a\u8fde\u63a5\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u8f83\u5927\u7684SF\u503c\u6765\u589e\u52a0\u4fe1\u9053\u5bb9\u91cf\u548c\u51cf\u5c11\u5e72\u6270\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u7ea0\u9519\u80fd\u529b\u548c\u5305\u957f\u5ea6\u5e73\u8861<\/strong>\uff1a\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c4\/5\u7684\u914d\u7f6e\u65b9\u5f0f\u662f\u7ea0\u9519\u80fd\u529b\u548c\u5305\u957f\u5ea6\u5e73\u8861\u7684\u6700\u4f73\u9009\u62e9\uff0c\u4e5f\u662fLoRaWAN\u6807\u51c6\u4e2d\u7684\u5e38\u7528\u914d\u7f6e\u3002\u8fd9\u610f\u5473\u7740\u5728\u8bbe\u8ba1\u7f51\u7edc\u65f6\uff0c\u5e94\u8003\u8651\u5982\u4f55\u901a\u8fc7\u8c03\u6574SF\u503c\u6765\u5e73\u8861\u8fd9\u4e9b\u56e0\u7d20\uff0c\u4ee5\u6ee1\u8db3\u7279\u5b9a\u5e94\u7528\u7684\u9700\u6c42\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u3000\u9009\u62e9\u5408\u9002\u7684LoRa\u6269\u9891\u56e0\u5b50(SF)\u9700\u8981\u7efc\u5408\u8003\u8651\u6570\u636e\u901f\u7387\u3001\u4f20\u8f93\u8ddd\u79bb\u3001\u7f51\u7edc\u5bb9\u91cf\u548c\u5e72\u6270\u7ba1\u7406\u7b49\u591a\u65b9\u9762\u56e0\u7d20\u3002\u5f00\u53d1\u4eba\u5458\u5e94\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\uff0c\u901a\u8fc7\u5b9e\u9a8c\u548c\u6d4b\u8bd5\u6765\u786e\u5b9a\u6700\u9002\u5408\u7684SF\u503c\u3002<\/strong><\/p>\n\n\n\n

      \u3000\u3000\u4e09\u3001 LoRa\u6280\u672f\u4e2d\u6b63\u4ea4\u53ef\u53d8\u6269\u9891\u56e0\u5b50(OVSF)\u7684\u5de5\u4f5c\u539f\u7406\u53ca\u5176\u5728\u63d0\u9ad8\u4fe1\u53f7\u6297\u5e72\u6270\u80fd\u529b\u65b9\u9762\u7684\u4f18\u52bf\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

      \u3000\u3000LoRa\u6280\u672f\u4e2d\u6b63\u4ea4\u53ef\u53d8\u6269\u9891\u56e0\u5b50(OVSF)\u7684\u5de5\u4f5c\u539f\u7406<\/strong>\u4e3b\u8981\u662f\u901a\u8fc7\u6269\u9891\u8c03\u5236<\/strong>\u6280\u672f\u6765\u5b9e\u73b0\u7684\u3002\u6269\u9891\u6280\u672f\u901a\u8fc7\u5c06\u539f\u59cb\u4fe1\u53f7\u6269\u5c55\u4e3a\u5177\u6709\u8f83\u5927\u5e26\u5bbd\u7684\u4fe1\u53f7\uff0c\u4ece\u800c\u964d\u4f4e\u4fe1\u53f7\u53d7\u5230\u5e72\u6270\u7684\u6982\u7387\uff0c\u63d0\u9ad8\u901a\u4fe1\u7684\u53ef\u9760\u6027\u548c\u7a33\u5b9a\u6027\u3002\u5177\u4f53\u5230OVSF\uff0c\u5b83\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u6269\u9891\u65b9\u5f0f\uff0c\u80fd\u591f\u63d0\u4f9b\u66f4\u9ad8\u6548\u7684\u4fe1\u53f7\u5904\u7406\u548c\u66f4\u597d\u7684\u6297\u5e72\u6270\u6027\u80fd\u3002<\/p>\n\n\n\n

      \u3000\u3000\u5728\u63d0\u9ad8\u4fe1\u53f7\u6297\u5e72\u6270\u80fd\u529b\u65b9\u9762\uff0cOVSF\u7684\u4f18\u52bf\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

        \n
      • \u3000\u3000\u9891\u8c31\u6269\u5c55\uff1a\u901a\u8fc7\u9891\u8c31\u6269\u5c55\uff0cOVSF\u80fd\u591f\u4f7f\u4fe1\u53f7\u5728\u9891\u57df\u4e0a\u5c55\u5f00\uff0c\u8fd9\u6837\u5373\u4f7f\u5468\u56f4\u73af\u5883\u5b58\u5728\u8f83\u5f3a\u5e72\u6270\uff0c\u4e5f\u80fd\u901a\u8fc7\u9891\u8c31\u6269\u5c55\u6280\u672f\u5c06\u4fe1\u53f7\u201c\u5c55\u7fc5\u98de\u7fd4\u201d\uff0c\u6210\u529f\u89c4\u907f\u5e72\u6270\u6e90\uff0c\u786e\u4fdd\u901a\u4fe1\u8d28\u91cf\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u964d\u4f4e\u5e72\u6270\u6982\u7387\uff1a\u7531\u4e8e\u4fe1\u53f7\u88ab\u6269\u5c55\u5230\u66f4\u5bbd\u7684\u9891\u5e26\uff0c\u7a84\u5e26\u5e72\u6270\u4fe1\u53f7\u5bf9\u4fe1\u53f7\u7684\u5f71\u54cd\u4f1a\u5927\u5927\u51cf\u5c11\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u63d0\u9ad8\u7075\u654f\u5ea6\u548c\u53ef\u9760\u6027\uff1aLoRa\u6280\u672f\u91c7\u7528\u7684Chirp\u8c03\u5236\u65b9\u5f0f\uff0c\u5728\u76f8\u5e72\u89e3\u8c03\u65f6\u53ef\u4ee5\u628a\u6709\u7528\u7684LoRa\u4fe1\u53f7\u805a\u96c6\u5728\u4e00\u8d77\uff0c\u800c\u566a\u58f0\u5728\u76f8\u5e72\u89e3\u8c03\u540e\u4ecd\u7136\u662f\u566a\u58f0\uff0c\u8fd9\u6709\u52a9\u4e8e\u5728\u4f4e\u4fe1\u566a\u6bd4\u6761\u4ef6\u4e0b\u4ecd\u7136\u4fdd\u6301\u8f83\u9ad8\u7684\u901a\u4fe1\u8d28\u91cf\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u8d85\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\uff1aLoRa\u6280\u672f\u80fd\u591f\u5728\u4f4e\u4e8e\u566a\u58f020dB\u7684\u6761\u4ef6\u4e0b\u6b63\u5e38\u89e3\u8c03\u4fe1\u53f7\uff0c\u8fd9\u662f\u73b0\u6709\u4f20\u7edf\u901a\u4fe1\u6280\u672f\u90fd\u4e0d\u5177\u5907\u7684\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u8fdc\u8ddd\u79bb\u4f20\u8f93\u548c\u9ad8\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n\n\n\n

        \u3000\u3000LoRa\u6280\u672f\u4e2d\u7684OVSF\u901a\u8fc7\u6269\u9891\u8c03\u5236\u6280\u672f\u548c\u9891\u8c31\u6269\u5c55\uff0c\u6709\u6548\u964d\u4f4e\u4e86\u4fe1\u53f7\u53d7\u5230\u5e72\u6270\u7684\u6982\u7387\uff0c\u63d0\u9ad8\u4e86\u901a\u4fe1\u7684\u53ef\u9760\u6027\u548c\u7a33\u5b9a\u6027\uff0c\u5c24\u5176\u662f\u5728\u4f4e\u4fe1\u566a\u6bd4\u6761\u4ef6\u4e0b\uff0c\u80fd\u591f\u663e\u8457\u63d0\u9ad8\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n

        \u3000\u3000\u56db\u3001 \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cLoRa\u6269\u9891\u56e0\u5b50(SF)\u7684\u8c03\u6574\u5bf9\u7cfb\u7edf\u6027\u80fd\u7684\u5f71\u54cd\u6709\u54ea\u4e9b\u5177\u4f53\u6848\u4f8b?<\/h2>\n\n\n\n

        \u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cLoRa\u6269\u9891\u56e0\u5b50(SF)\u7684\u8c03\u6574\u5bf9\u7cfb\u7edf\u6027\u80fd\u7684\u5f71\u54cd\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

          \n
        • \u3000\u3000\u6570\u636e\u901f\u7387\u4e0e\u4f20\u8f93\u8ddd\u79bb\u7684\u5e73\u8861\uff1a\u6269\u9891\u56e0\u5b50\u51b3\u5b9a\u4e86\u6570\u636e\u901f\u7387\u3001\u4f20\u8f93\u8ddd\u79bb\u548c\u6297\u5e72\u6270\u80fd\u529b\u4e4b\u95f4\u7684\u5e73\u8861\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u6269\u9891\u56e0\u5b50\u8d8a\u5927\uff0c\u6570\u636e\u901f\u7387\u8d8a\u4f4e\uff0c\u4f46\u4f20\u8f93\u8ddd\u79bb\u66f4\u8fdc\uff0c\u6297\u5e72\u6270\u80fd\u529b\u66f4\u5f3a\u3002\u8fd9\u610f\u5473\u7740\u5728\u9700\u8981\u957f\u8ddd\u79bb\u901a\u4fe1\u4e14\u73af\u5883\u5e72\u6270\u8f83\u5927\u7684\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u9009\u62e9\u8f83\u5927\u7684\u6269\u9891\u56e0\u5b50\u53ef\u4ee5\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u94fe\u8def\u9884\u7b97\u548c\u4f20\u8f93\u65f6\u95f4\u7684\u6539\u53d8\uff1a\u901a\u8fc7\u8c03\u6574\u6269\u9891\u56e0\u5b50SF\u3001\u4fe1\u53f7\u5e26\u5bbdBW\u548c\u7f16\u7801\u7387CR\uff0c\u53ef\u4ee5\u6539\u53d8\u94fe\u8def\u9884\u7b97\u548c\u4f20\u8f93\u65f6\u95f4\u3002\u8fd9\u76f4\u63a5\u5f71\u54cd\u5230\u7535\u6c60\u5bff\u547d\u548c\u901a\u4fe1\u6548\u7387\u3002\u4f8b\u5982\uff0c\u5728\u8981\u6c42\u4f4e\u529f\u8017\u7684\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u901a\u8fc7\u8c03\u6574\u8fd9\u4e9b\u53c2\u6570\u6765\u4f18\u5316\u7535\u6c60\u4f7f\u7528\u65f6\u95f4\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u541e\u5410\u91cf\u516c\u5e73\u6027\uff1a\u5728\u591a\u7528\u6237\u73af\u5883\u4e2d\uff0c\u901a\u8fc7\u5408\u7406\u9009\u62e9\u6269\u9891\u56e0\u5b50SF\uff0c\u53ef\u4ee5\u5728\u4fdd\u8bc1\u6700\u4f18\u541e\u5410\u91cf\u7684\u540c\u65f6\uff0c\u5b9e\u73b0\u4e0d\u540c\u7528\u6237\u4e4b\u95f4\u7684\u541e\u5410\u91cf\u516c\u5e73\u6027\uff0c\u89e3\u51b3\u8fdc\u8fd1\u6548\u5e94\u7684\u95ee\u9898\u3002\u8fd9\u5bf9\u4e8e\u6784\u5efa\u9ad8\u6548\u3001\u516c\u5e73\u7684LoRa\u7f51\u7edc\u81f3\u5173\u91cd\u8981\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u65e0\u7ebf\u73af\u5883\u7684\u9002\u5e94\u6027\uff1a\u6839\u636e\u5e94\u7528\u9700\u6c42\u786e\u5b9a\u4f20\u8f93\u901f\u7387\u548c\u901a\u4fe1\u8ddd\u79bb\u7684\u8981\u6c42\uff0c\u4ee5\u53ca\u8003\u8651\u65e0\u7ebf\u73af\u5883\u7684\u590d\u6742\u7a0b\u5ea6\u548c\u5e72\u6270\u60c5\u51b5\uff0c\u9009\u62e9\u5408\u9002\u7684\u6269\u9891\u56e0\u5b50\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u5728\u590d\u6742\u7684\u65e0\u7ebf\u73af\u5883\u4e2d\uff0c\u8f83\u5927\u7684\u6269\u9891\u56e0\u5b50\u6709\u52a9\u4e8e\u63d0\u9ad8\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u4ece\u800c\u4fdd\u8bc1\u901a\u4fe1\u7684\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u4fe1\u53f7\u5171\u5b58\u4e0e\u529f\u8017\u964d\u4f4e\uff1a\u91c7\u7528\u4e0d\u540c\u6269\u9891\u56e0\u5b50\u7684\u4fe1\u53f7\u53ef\u4ee5\u5728\u4e00\u4e2a\u4fe1\u9053\u4e2d\u5171\u5b58\uff0c\u4e0e\u56fa\u5b9a\u901f\u7387\u7684FSK\u7cfb\u7edf\u76f8\u6bd4\uff0cLoRa\u534f\u8bae\u7684\u661f\u5f62\u62d3\u6251\u7ed3\u6784\u6d88\u9664\u4e86\u540c\u6b65\u5f00\u9500\u548c\u8df3\u6570\uff0c\u56e0\u800c\u964d\u4f4e\u4e86\u529f\u8017\u3002\u8fd9\u5bf9\u4e8e\u9700\u8981\u957f\u65f6\u95f4\u8fd0\u884c\u4e14\u5bf9\u529f\u8017\u654f\u611f\u7684\u5e94\u7528\u573a\u666f\u5c24\u4e3a\u91cd\u8981\u3002<\/li>\n<\/ul>\n\n\n\n

          \u3000\u3000LoRa\u6269\u9891\u56e0\u5b50(SF)\u7684\u8c03\u6574\u5bf9\u4e8e\u7cfb\u7edf\u6027\u80fd\u7684\u5f71\u54cd\u662f\u591a\u65b9\u9762\u7684\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u6570\u636e\u901f\u7387\u4e0e\u4f20\u8f93\u8ddd\u79bb\u7684\u5e73\u8861\u3001\u94fe\u8def\u9884\u7b97\u548c\u4f20\u8f93\u65f6\u95f4\u7684\u4f18\u5316\u3001\u541e\u5410\u91cf\u516c\u5e73\u6027\u7684\u5b9e\u73b0\u3001\u65e0\u7ebf\u73af\u5883\u9002\u5e94\u6027\u7684\u63d0\u9ad8\u4ee5\u53ca\u529f\u8017\u7684\u964d\u4f4e\u3002\u56e0\u6b64\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u9700\u6c42\u548c\u73af\u5883\u6761\u4ef6\u5408\u7406\u9009\u62e9\u6269\u9891\u56e0\u5b50\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n\n\n\n

          \u3000\u3000\u4e94\u3001 LoRa\u6269\u9891\u56e0\u5b50(SF)\u4e0e\u4f20\u8f93\u901f\u7387\u4e4b\u95f4\u7684\u5173\u7cfb\u662f\u600e\u6837\u7684?<\/h2>\n\n\n\n

          \u3000\u3000LoRa\u6269\u9891\u56e0\u5b50(SF)\u4e0e\u4f20\u8f93\u901f\u7387\u4e4b\u95f4\u7684\u5173\u7cfb\u662f\uff0c\u6269\u9891\u56e0\u5b50\u503c\u8d8a\u5c0f\uff0c\u4f20\u8f93\u901f\u7387\u8d8a\u9ad8\u3002<\/strong>\u6269\u9891\u56e0\u5b50\u63a7\u5236\u4e86\u6570\u636e\u4f20\u8f93\u7684\u901f\u5ea6\uff0c\u8f83\u4f4e\u7684\u6269\u9891\u56e0\u5b50\u610f\u5473\u7740\u8f83\u5feb\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u6bcf\u589e\u52a0\u4e00\u4e2a\u6269\u9891\u56e0\u5b50\uff0c\u6570\u636e\u4f20\u8f93\u901f\u7387\u5c31\u4f1a\u964d\u4f4e\u4e00\u534a\u3002\u6b64\u5916\uff0c\u6269\u9891\u56e0\u5b50\u503c\u8d8a\u5c0f\uff0c\u6297\u5e72\u6270\u6027\u8d8a\u4f4e\uff0c\u4f20\u8f93\u8ddd\u79bb\u8d8a\u8fd1\u3002\u8fd9\u8868\u660e\uff0c\u5728\u9009\u62e9LoRa\u901a\u4fe1\u53c2\u6570\u65f6\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42\u6765\u5e73\u8861\u4f20\u8f93\u901f\u7387\u3001\u6297\u5e72\u6270\u6027\u548c\u4f20\u8f93\u8ddd\u79bb\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u4f8b\u5982\uff0c\u5728\u9700\u8981\u9ad8\u901f\u7387\u4f46\u4e0d\u90a3\u4e48\u5173\u6ce8\u4f20\u8f93\u8ddd\u79bb\u548c\u6297\u5e72\u6270\u6027\u7684\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u53ef\u4ee5\u9009\u62e9\u8f83\u5c0f\u7684\u6269\u9891\u56e0\u5b50\u503c;\u800c\u5728\u9700\u8981\u957f\u8ddd\u79bb\u4f20\u8f93\u4e14\u5bf9\u901f\u7387\u8981\u6c42\u4e0d\u662f\u7279\u522b\u9ad8\u7684\u573a\u666f\u4e2d\uff0c\u5219\u53ef\u4ee5\u9009\u62e9\u8f83\u5927\u7684\u6269\u9891\u56e0\u5b50\u503c\u4ee5\u63d0\u9ad8\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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