{"id":95352,"date":"2024-07-12T15:59:52","date_gmt":"2024-07-12T07:59:52","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=95352"},"modified":"2024-07-12T15:59:57","modified_gmt":"2024-07-12T07:59:57","slug":"lwxykkgjs","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/95352.html","title":{"rendered":"LoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173\u4ecb\u7ecd"},"content":{"rendered":"\n

\u3000\u3000LoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173<\/strong>\u662f\u4e00\u79cd\u57fa\u4e8eLoRa\u8c03\u5236\u6280\u672f\u7684\u4f4e\u529f\u8017\u3001\u8fdc\u8ddd\u79bb\u65e0\u7ebf\u901a\u4fe1\u8bbe\u5907\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u667a\u80fd\u5bb6\u5c45\u548c\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9886\u57df\u3002\u5176\u4e3b\u8981\u7279\u70b9\u548c\u529f\u80fd\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 LoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173\u4ecb\u7ecd<\/h2>\n\n\n\n

\u3000\u3000LoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173\u7684\u6838\u5fc3\u662fLoRa\u8c03\u5236\u6280\u672f\uff0c\u8be5\u6280\u672f\u901a\u8fc7\u6269\u9891\u6280\u672f\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u7684\u65e0\u7ebf\u4f20\u8f93\u3002\u5b83\u91c7\u7528\u7269\u8054\u7f51\u534f\u8bae\uff0c\u80fd\u591f\u5c06\u5404\u79cd\u8bbe\u5907\u8fde\u63a5\u8d77\u6765\uff0c\u5b9e\u73b0\u667a\u80fd\u63a7\u5236\u3002<\/strong><\/p>\n\n\n\n

\u3000\u30001. \u5e94\u7528\u573a\u666f<\/strong>\uff1a<\/h3>\n\n\n\n
    \n
  • \u3000\u3000\u667a\u80fd\u7167\u660e\u7cfb\u7edf<\/strong>\uff1aLoRa\u65e0\u7ebf\u5f00\u5173\u53ef\u4ee5\u4e0e\u667a\u80fd\u7167\u660e\u7cfb\u7edf\u7ed3\u5408\uff0c\u5b9e\u73b0\u8fdc\u7a0b\u63a7\u5236\u706f\u5149\u4eae\u5ea6\u3001\u8272\u6e29\u7b49\u529f\u80fd\uff0c\u4e3a\u7528\u6237\u5e26\u6765\u66f4\u4fbf\u5229\u7684\u5c45\u5bb6\u4f53\u9a8c\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u5b89\u9632\u76d1\u63a7\u7cfb\u7edf<\/strong>\uff1a\u5728\u5b89\u9632\u76d1\u63a7\u7cfb\u7edf\u4e2d\uff0cLoRa\u65e0\u7ebf\u5f00\u5173\u53ef\u4ee5\u901a\u8fc7\u63a5\u5165\u667a\u80fd\u6444\u50cf\u5934\u3001\u95e8\u7a97\u4f20\u611f\u5668\u7b49\u8bbe\u5907\uff0c\u5b9e\u73b0\u8fdc\u7a0b\u76d1\u63a7\u4e0e\u667a\u80fd\u62a5\u8b66\u7b49\u529f\u80fd\uff0c\u63d0\u9ad8\u5bb6\u5ead\u5b89\u5168\u6027\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u5de5\u5382\u548c\u697c\u5b87\u7ba1\u7406<\/strong>\uff1aLoRa\u7ee7\u7535\u5668\u5f00\u5173\u53ef\u7528\u4e8e\u5de5\u5382\u3001\u697c\u5b87\u3001\u519c\u573a\u3001\u5b66\u6821\u7b49\u573a\u666f\uff0c\u901a\u8fc7App\u5b9e\u65f6\u8fdc\u7a0b\u63a7\u5236\u7535\u6c14\u8bbe\u5907\u5982\u7535\u673a\u3001\u9600\u95e8\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u30002. \u6838\u5fc3\u529f\u80fd<\/strong>\uff1a<\/h3>\n\n\n\n
      \n
    • \u3000\u3000\u8fdc\u7a0b\u540c\u6b65\u63a7\u5236<\/strong>\uff1aLoRa\u65e0\u7ebf\u5f00\u5173\u652f\u6301\u8fdc\u7a0b\u540c\u6b65\u63a7\u5236\uff0c\u5373\u4e3b\u673a\u8ddf\u968f\u4ece\u673a\u8f93\u5165\u63a7\u5236\uff0c\u4ece\u673a\u8ddf\u968f\u4e3b\u673a\u8f93\u5165\u63a7\u5236\uff0c\u6216\u8005\u5355\u5411\u53cd\u9988\u6a21\u5f0f\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u9ad8\u5ea6\u6613\u7528\u6027<\/strong>\uff1a\u65e0\u9700\u5e03\u7ebf\uff0c\u5b89\u88c5\u7b80\u5355\uff0c\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u624b\u673aApp\u8fdb\u884c\u64cd\u4f5c\uff0c\u9002\u5408\u4e1a\u4f59\u4eba\u5458\u4f7f\u7528\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u591a\u79cd\u63a7\u5236\u65b9\u5f0f<\/strong>\uff1a\u652f\u6301\u6309\u952e\u3001\u9065\u63a7\u3001\u667a\u80fd\u8fdc\u7a0b\u7b49\u591a\u79cd\u63a7\u5236\u65b9\u5f0f\uff0c\u5e76\u4e14\u5177\u6709\u5b9a\u65f6\u5f00\u542f\u3001\u5b9a\u65f6\u5173\u95ed\u7b49\u529f\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u30003. \u6280\u672f\u4f18\u52bf<\/strong>\uff1a<\/h3>\n\n\n\n
        \n
      • \u3000\u3000\u4f4e\u529f\u8017<\/strong>\uff1aLoRa\u6280\u672f\u5728\u540c\u6837\u7684\u529f\u8017\u6761\u4ef6\u4e0b\u6bd4\u5176\u4ed6\u65e0\u7ebf\u65b9\u5f0f\u4f20\u64ad\u7684\u8ddd\u79bb\u66f4\u8fdc\uff0c\u5b9e\u73b0\u4e86\u4f4e\u529f\u8017\u548c\u8fdc\u8ddd\u79bb\u7684\u7edf\u4e00\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u6297\u5e72\u6270\u80fd\u529b\u5f3a<\/strong>\uff1a\u7531\u4e8e\u5176\u91c7\u7528\u6269\u9891\u6280\u672f\uff0cLoRa\u65e0\u7ebf\u5f00\u5173\u5177\u5907\u8d85\u9ad8\u4fe1\u53f7\u63a5\u6536\u7075\u654f\u5ea6\u548c\u5f3a\u5927\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u7cfb\u7edf\u66f4\u52a0\u7a33\u5b9a\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u7075\u6d3b\u6269\u5c55<\/strong>\uff1aLoRa\u65e0\u7ebf\u6a21\u5757\u548c\u5355\u7247\u673a\u76f8\u7ed3\u5408\uff0c\u53ef\u4ee5\u8f7b\u677e\u96c6\u6210\u5230\u5404\u79cd\u667a\u80fd\u7cfb\u7edf\u4e2d\uff0c\u652f\u6301\u591a\u8282\u70b9\u90e8\u7f72\u3002<\/li>\n<\/ul>\n\n\n\n

        \u3000\u30004. \u5177\u4f53\u4ea7\u54c1\u5b9e\u4f8b<\/strong>\uff1a<\/h3>\n\n\n\n
          \n
        • \u3000\u3000E860-DTU\u7cfb\u5217<\/strong>\uff1a\u8fd9\u662f\u4e00\u6b3e433\u9891\u6bb5\u901a\u4fe1\u7684LoRa\u8fdc\u7a0b\u540c\u6b65\u5f00\u5173\u7ec8\u7aef\u8bbe\u5907\uff0c\u652f\u6301\u91c7\u96c6\u5f00\u5173\u91cf\u8f93\u5165(DI)\u548c\u63a7\u5236\u7ee7\u7535\u5668\u8f93\u51fa(DO)\uff0c\u5177\u6709\u9ad8\u5ea6\u6613\u7528\u6027\u548c\u5feb\u901f\u96c6\u6210\u7684\u7279\u70b9\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u8ff7\u4f60\u9065\u63a7\u5668<\/strong>\uff1a\u57fa\u4e8eLoRa\u65e0\u7ebf\u6280\u672f\u7684\u8ff7\u4f60\u9065\u63a7\u5668\uff0c\u652f\u6301\u591a\u79cd\u667a\u80fd\u8bbe\u5907\u7684\u8fdc\u7a0b\u63a7\u5236\uff0c\u5b89\u88c5\u7b80\u5355\uff0c\u64cd\u4f5c\u4fbf\u6377\u3002<\/li>\n<\/ul>\n\n\n\n

          \u3000\u3000LoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173\u51ed\u501f\u5176\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u4f20\u8f93\u3001\u9ad8\u5ea6\u6613\u7528\u6027\u548c\u5f3a\u5927\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u5728\u667a\u80fd\u5bb6\u5c45\u548c\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002\u5176\u7075\u6d3b\u7684\u63a7\u5236\u65b9\u5f0f\u548c\u5e7f\u6cdb\u7684\u9002\u7528\u573a\u666f\u4f7f\u5176\u6210\u4e3a\u73b0\u4ee3\u667a\u80fd\u63a7\u5236\u7cfb\u7edf\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002<\/p>\n\n\n\n

          \u3000\u3000\u4e8c\u3001 LoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173\u7684\u5177\u4f53\u529f\u8017\u548c\u4f20\u8f93\u8ddd\u79bb\u662f\u591a\u5c11?<\/h2>\n\n\n\n

          \u3000\u3000LoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173\u7684\u5177\u4f53\u529f\u8017\u548c\u4f20\u8f93\u8ddd\u79bb\u5982\u4e0b\uff1a<\/p>\n\n\n\n

          \u3000\u30001. \u529f\u8017<\/strong>\uff1a<\/h3>\n\n\n\n

          \u3000\u3000\u6839\u636e\u8bc1\u636e\uff0cLoRa\u8bbe\u5907\u7684\u63a5\u6536\u7535\u6d41\u4e3a10mA\uff0c\u4f11\u7720\u65f6\u7684\u7535\u6d41\u4ec5\u4e3a200nA\u3002\u8fd9\u8868\u660e\u5728\u63a5\u6536\u72b6\u6001\u4e0b\uff0c\u8bbe\u5907\u7684\u529f\u8017\u76f8\u5bf9\u8f83\u9ad8\uff0c\u800c\u5728\u4f11\u7720\u72b6\u6001\u4e0b\u5219\u975e\u5e38\u4f4e\u3002<\/p>\n\n\n\n

          \u3000\u30002. \u4f20\u8f93\u8ddd\u79bb<\/strong>\uff1a<\/h3>\n\n\n\n

          \u3000\u3000\u4f20\u8f93\u8ddd\u79bb\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5305\u62ec\u53d1\u5c04\u529f\u7387\u3001\u63a5\u6536\u7075\u654f\u5ea6\u3001\u5929\u7ebf\u589e\u76ca\u4ee5\u53ca\u73af\u5883\u6761\u4ef6\u7b49\u3002<\/p>\n\n\n\n

          \u3000\u3000\u5728\u7406\u60f3\u6761\u4ef6\u4e0b(\u65e0\u969c\u788d\u7269\u548c\u826f\u597d\u5929\u6c14)\uff0c\u4f7f\u752814dBm\u7684\u53d1\u5c04\u529f\u7387\u548c-137dBm\u7684\u63a5\u6536\u7075\u654f\u5ea6\uff0cLoRa\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u5230\u7ea61\u516c\u91cc\u3002<\/p>\n\n\n\n

          \u3000\u3000\u5982\u679c\u4f18\u5316\u914d\u7f6e\u4e3a20dBm\u7684\u53d1\u5c04\u529f\u7387\u548c\u540c\u6837\u7684\u63a5\u6536\u7075\u654f\u5ea6\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u589e\u52a0\u52303\u516c\u91cc\u5de6\u53f3\u3002<\/p>\n\n\n\n

          \u3000\u3000\u5728\u90ca\u533a\u6216\u8f83\u4e3a\u5f00\u9614\u7684\u5730\u533a\uff0c\u4f7f\u752820dBm\u7684\u53d1\u5c04\u529f\u7387\u548c-137dBm\u7684\u63a5\u6536\u7075\u654f\u5ea6\uff0cLoRa\u6280\u672f\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52305\u516c\u91cc\uff0c\u5728\u65e0\u969c\u788d\u7269\u7684\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e00\u8ddd\u79bb\u53ef\u4ee5\u8fdb\u4e00\u6b65\u6269\u5c55\u523015\u516c\u91cc\u751a\u81f320\u516c\u91cc\u3002<\/p>\n\n\n\n

          \u3000\u3000LoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173\u5728\u4e0d\u540c\u73af\u5883\u548c\u914d\u7f6e\u4e0b\uff0c\u5176\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u4ece1\u516c\u91cc\u6269\u5c55\u523020\u516c\u91cc\u4ee5\u4e0a\uff0c\u800c\u5176\u529f\u8017\u5728\u63a5\u6536\u72b6\u6001\u4e0b\u4e3a10mA\uff0c\u5728\u4f11\u7720\u72b6\u6001\u4e0b\u4ec5\u4e3a200nA\u3002<\/p>\n\n\n\n

          \u3000\u3000\u4e09\u3001 LoRa\u8c03\u5236\u6280\u672f\u5728LoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173\u4e2d\u7684\u5e94\u7528\u7ec6\u8282\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

          \u3000\u3000LoRa\u8c03\u5236\u6280\u672f\u5728LoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173\u4e2d\u7684\u5e94\u7528\u7ec6\u8282\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

            \n
          • \u3000\u3000\u6269\u9891\u8c03\u5236\u4e0e\u524d\u5411\u7ea0\u9519<\/strong>\uff1aLoRa\u8c03\u5236\u89e3\u8c03\u5668\u91c7\u7528\u4e13\u5229\u7684\u6269\u9891\u8c03\u5236\u548c\u524d\u5411\u7ea0\u9519(FEC)\u6280\u672f\u3002\u8fd9\u79cd\u6280\u672f\u901a\u8fc7\u5c06\u6570\u636e\u4fe1\u53f7\u8f6c\u6362\u4e3a\u4e00\u7cfb\u5217\u9891\u7387\u9010\u6e10\u53d8\u5316\u7684\u4fe1\u53f7\u6765\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u65e0\u7ebf\u4f20\u8f93\uff0c\u4ece\u800c\u6269\u5927\u4e86\u65e0\u7ebf\u901a\u8baf\u94fe\u8def\u7684\u8986\u76d6\u8303\u56f4\u5e76\u63d0\u9ad8\u4e86\u94fe\u8def\u7684\u9c81\u68d2\u6027\u3002<\/li>\n\n\n\n
          • \u3000\u3000CSS(Chirp Spread Spectrum)\u8c03\u5236\u65b9\u5f0f<\/strong>\uff1aLoRa\u4f7f\u7528CSS\u6269\u9891\u9891\u7387\u8c03\u5236\u6280\u672f\uff0c\u5373\u7ebf\u6027\u8c03\u5236\u6269\u9891\u6280\u672f\u3002\u8be5\u6280\u672f\u901a\u8fc7\u6539\u53d8\u4fe1\u53f7\u9891\u7387\u7684\u7ebf\u6027\u53d8\u5316\u6765\u8868\u793a\u4fe1\u606f\uff0c\u5177\u4f53\u6765\u8bf4\uff0c\u5b83\u5c06\u6570\u636e\u8f6c\u5316\u4e3a\u4e00\u7cfb\u5217\u7684\u9891\u7387\u626b\u63cf\u4fe1\u53f7\uff0c\u8fd9\u4e9b\u4fe1\u53f7\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4f1a\u7ecf\u5386\u4ece\u4f4e\u9891\u5230\u9ad8\u9891\u6216\u4ece\u9ad8\u9891\u5230\u4f4e\u9891\u7684\u7ebf\u6027\u53d8\u5316\u3002<\/li>\n\n\n\n
          • \u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1a\u7531\u4e8eCSS\u8c03\u5236\u6d89\u53ca\u9891\u7387\u7684\u7ebf\u6027\u53d8\u5316\uff0c\u5b83\u80fd\u591f\u6709\u6548\u5730\u62b5\u6297\u591a\u5f84\u5e72\u6270\u548c\u566a\u58f0\uff0c\u9002\u7528\u4e8e\u590d\u6742\u7684\u65e0\u7ebf\u73af\u5883\u3002\u8fd9\u4f7f\u5f97LoRa\u80fd\u591f\u5728\u5e7f\u57df\u8986\u76d6\u7684\u7269\u8054\u7f51\u5e94\u7528\u4e2d\u5b9e\u73b0\u957f\u8ddd\u79bb\u901a\u4fe1\u3002<\/li>\n\n\n\n
          • \u3000\u3000\u53c2\u6570\u8c03\u6574\u4e0e\u4f18\u5316<\/strong>\uff1a\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u8c03\u6574\u6269\u9891\u56e0\u5b50\u548c\u7ea0\u9519\u7387\u8fd9\u4e24\u4e2a\u53c2\u6570\uff0c\u4ece\u800c\u5e73\u8861\u901a\u8baf\u65f6\u7684\u5e26\u5bbd\u3001\u6297\u5e72\u6270\u80fd\u529b\u548c\u9891\u8c31\u5360\u7528\u7b49\u5173\u952e\u8bbe\u8ba1\u53c2\u6570\u3002\u8fd9\u4e9b\u53c2\u6570\u5141\u8bb8\u5728\u94fe\u8def\u9884\u7b97\u3001\u6297\u5e72\u6270\u80fd\u529b\u3001\u9891\u8c31\u5360\u7528\u548c\u540d\u4e49\u6570\u636e\u7387\u4e4b\u95f4\u8fdb\u884c\u6743\u8861\u3002<\/li>\n\n\n\n
          • \u3000\u3000\u5b9e\u9645\u5e94\u7528<\/strong>\uff1a\u4f8b\u5982\uff0c\u5728E860-DTU\u7cfb\u5217\u65e0\u7ebf\u8fdc\u7a0b\u540c\u6b65\u5f00\u5173\u4e2d\uff0c\u8be5\u8bbe\u5907\u5229\u7528LoRa\u8c03\u5236\u6280\u672f\u5b9e\u73b0\u4e86\u5f00\u5173\u91cf\u7684\u8fdc\u7a0b\u4f20\u8f93\u3002\u8fd9\u79cd\u6280\u672f\u4e0d\u4ec5\u652f\u6301\u91c7\u96c6\u5f00\u5173\u91cf\uff0c\u8fd8\u901a\u8fc7433\u9891\u6bb5\u901a\u4fe1\u5b9e\u73b0\u4e86\u8fdc\u8ddd\u79bb\u7684\u65e0\u7ebf\u63a7\u5236\u3002<\/li>\n<\/ul>\n\n\n\n

            \u3000\u3000\u56db\u3001 \u5982\u4f55\u5b9e\u73b0LoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173\u7684\u9ad8\u6548\u6297\u5e72\u6270\u8bbe\u8ba1?<\/h2>\n\n\n\n

            \u3000\u3000\u8981\u5b9e\u73b0LoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173\u7684\u9ad8\u6548\u6297\u5e72\u6270\u8bbe\u8ba1\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u51e0\u79cd\u6280\u672f\u624b\u6bb5\u548c\u7b56\u7565\uff1a<\/p>\n\n\n\n

            \u3000\u3000LoRa\u6280\u672f\u91c7\u7528\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u901a\u8fc7\u589e\u52a0\u4fe1\u53f7\u5e26\u5bbd\u6765\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u3002\u5177\u4f53\u6765\u8bf4\uff0cLoRa\u4f7f\u7528\u7ebf\u6027\u8c03\u9891\u6269\u9891(Chirp Spread Spectrum, CSS)\u8c03\u5236\u65b9\u5f0f\uff0c\u8fd9\u79cd\u65b9\u5f0f\u80fd\u591f\u6709\u6548\u5730\u5c06\u4fe1\u53f7\u5728\u9891\u57df\u4e0a\u5c55\u5f00\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<\/p>\n\n\n\n

            \u3000\u3000LoRa\u6280\u672f\u5177\u6709\u4f4e\u529f\u8017\u7279\u6027\uff0c\u8fd9\u4e0d\u4ec5\u6709\u52a9\u4e8e\u5ef6\u957f\u8bbe\u5907\u7684\u4f7f\u7528\u5bff\u547d\uff0c\u8fd8\u80fd\u51cf\u5c11\u56e0\u8bbe\u5907\u9891\u7e41\u53d1\u5c04\u800c\u4ea7\u751f\u7684\u5e72\u6270\u3002\u4f4e\u529f\u8017\u8bbe\u8ba1\u4f7f\u5f97LoRa\u6a21\u5757\u5728\u4f4e\u4e8e\u566a\u58f020dB\u7684\u73af\u5883\u4e0b\u4f9d\u7136\u53ef\u4ee5\u8fdb\u884c\u901a\u4fe1\uff0c\u8fd9\u662f\u73b0\u6709\u4f20\u7edf\u65e0\u7ebf\u6280\u672f\u96be\u4ee5\u8fbe\u5230\u7684\u3002<\/p>\n\n\n\n

            \u3000\u3000LoRa\u6280\u672f\u652f\u6301AES128\u52a0\u5bc6\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002\u8fd9\u79cd\u9ad8\u4fdd\u5bc6\u6027\u8bbe\u8ba1\u4f7f\u5f97LoRa\u6280\u672f\u5728\u9700\u8981\u9ad8\u5ea6\u4fdd\u5bc6\u7684\u5e94\u7528\u4e2d\u5177\u6709\u660e\u663e\u4f18\u52bf\uff0c\u540c\u65f6\u4e5f\u80fd\u6709\u6548\u9632\u6b62\u6570\u636e\u88ab\u622a\u83b7\u548c\u7be1\u6539\u3002<\/p>\n\n\n\n

            \u3000\u3000LoRa\u7f51\u7edc\u5229\u7528\u957f\u7801\u6269\u9891\u6280\u672f\u663e\u8457\u63d0\u9ad8\u4e86\u5176\u6297\u5e72\u6270\u6027\u3002\u957f\u7801\u6269\u9891\u6280\u672f\u901a\u8fc7\u5360\u7528\u8f83\u5bbd\u7684\u5e26\u5bbd\u548c\u5e94\u7528\u957f\u7801\u6269\u9891\u6280\u672f\uff0c\u589e\u52a0\u4e86\u4fe1\u53f7\u7684\u5197\u4f59\u5ea6\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u63a5\u6536\u7075\u654f\u5ea6\u548c\u81ea\u9002\u5e94\u901f\u7387\u8bbe\u8ba1\u3002<\/p>\n\n\n\n

            \u3000\u3000\u5728LoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173\u4e2d\u52a0\u5165\u53cd\u9988\u6307\u793a\u529f\u80fd\uff0c\u53ef\u4ee5\u5b9e\u65f6\u67e5\u770b\u9065\u63a7\u5f00\u5173\u662f\u5426\u63a7\u5236\u6210\u529f\u3002\u8fd9\u79cd\u8bbe\u8ba1\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u4e0e\u7a33\u5b9a\u6027\uff0c\u8fd8\u589e\u5f3a\u4e86\u7528\u6237\u5bf9\u7cfb\u7edf\u72b6\u6001\u7684\u611f\u77e5\u80fd\u529b\u3002<\/p>\n\n\n\n

            \u3000\u3000LoRa\u76f8\u5bf9\u4e8e\u4f20\u7edf\u7684FSK\u8c03\u5236\u6280\u672f\uff0c\u5728\u6291\u5236\u540c\u9891\u5e72\u6270\u65b9\u9762\u6709\u660e\u663e\u7684\u4f18\u52bf\u3002\u901a\u8fc7\u4f18\u5316\u9891\u7387\u9009\u62e9\u548c\u8c03\u5236\u65b9\u5f0f\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u964d\u4f4e\u540c\u9891\u5e72\u6270\u7684\u5f71\u54cd\uff0c\u4fdd\u8bc1\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

            \u3000\u3000\u4e94\u3001 LoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173\u5728\u667a\u80fd\u5bb6\u5c45\u9886\u57df\u7684\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n

            \u3000\u3000LoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173\u5728\u667a\u80fd\u5bb6\u5c45\u9886\u57df\u7684\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u975e\u5e38\u4e30\u5bcc\uff0c\u6db5\u76d6\u4e86\u591a\u4e2a\u65b9\u9762\u3002\u4ee5\u4e0b\u662f\u51e0\u4e2a\u5177\u4f53\u7684\u4f8b\u5b50\uff1a<\/p>\n\n\n\n

            \u3000\u3000LoRa\u6a21\u5757\u53ef\u4ee5\u7528\u4e8e\u5bb6\u5ead\u4e2d\u7684\u5404\u79cd\u706f\u5149\u63a7\u5236\uff0c\u5305\u62ec\u540a\u706f\u3001\u58c1\u706f\u3001\u843d\u5730\u706f\u548c\u53f0\u706f\u7b49\u3002\u4f20\u7edf\u7684\u706f\u5149\u7cfb\u7edf\u901a\u5e38\u9700\u8981\u6bcf\u4e2a\u706f\u5177\u5bf9\u5e94\u4e00\u4e2a\u72ec\u7acb\u7684\u5f00\u5173\uff0c\u800c\u4f7f\u7528LoRa\u6a21\u5757\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u4e2d\u5fc3\u63a7\u5236\u5668\u6765\u7edf\u4e00\u7ba1\u7406\u8fd9\u4e9b\u706f\u5177\uff0c\u5b9e\u73b0\u4e00\u952e\u5f0f\u603b\u5f00\u5173\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n

            \u3000\u3000LoRa\u6280\u672f\u80fd\u591f\u5b9e\u73b0\u5bf9\u5bb6\u7535\u7684\u8fdc\u7a0b\u63a7\u5236\uff0c\u4f8b\u5982\u7a7a\u8c03\u3001\u7535\u89c6\u3001\u6d17\u8863\u673a\u7b49\u3002\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u624b\u673a\u6216\u5176\u4ed6\u667a\u80fd\u8bbe\u5907\uff0c\u5728\u5bb6\u4e2d\u6216\u8fdc\u7a0b\u64cd\u63a7\u8fd9\u4e9b\u8bbe\u5907\uff0c\u4ece\u800c\u63d0\u9ad8\u751f\u6d3b\u7684\u4fbf\u5229\u6027\u548c\u8212\u9002\u5ea6\u3002<\/p>\n\n\n\n

            \u3000\u3000\u4f7f\u7528LoRa\u6280\u672f\u6784\u5efa\u7684\u5b89\u5168\u62a5\u8b66\u7cfb\u7edf\u53ef\u4ee5\u5305\u62ec\u9632\u76d7\u62a5\u8b66\u3001\u9632\u706b\u62a5\u8b66\u3001\u7164\u6c14\u6cc4\u9732\u62a5\u8b66\u548c\u6f0f\u6c34\u62a5\u8b66\u7b49\u529f\u80fd\u3002\u8fd9\u4e9b\u62a5\u8b66\u7cfb\u7edf\u901a\u8fc7LoRa\u6a21\u5757\u4e0e\u4e2d\u5fc3\u63a7\u5236\u5668\u8fde\u63a5\uff0c\u80fd\u591f\u5728\u65b9\u5706\u5341\u91cc\u5185\u8f7b\u677e\u63a5\u6536\u548c\u53d1\u9001\u4fe1\u606f\uff0c\u786e\u4fdd\u5bb6\u5ead\u7684\u5b89\u5168\u3002<\/p>\n\n\n\n

            \u3000\u3000LoRa\u6280\u672f\u8fd8\u53ef\u4ee5\u5e94\u7528\u4e8e\u7d27\u6025\u6c42\u52a9\u7cfb\u7edf\uff0c\u5f53\u53d1\u751f\u7d27\u6025\u60c5\u51b5\u65f6\uff0c\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u6309\u4e0b\u6309\u94ae\u89e6\u53d1SOS\u62a5\u8b66\uff0c\u7cfb\u7edf\u4f1a\u7acb\u5373\u901a\u77e5\u76f8\u5173\u4eba\u5458\u6216\u673a\u6784\u8fdb\u884c\u6551\u63f4\u3002<\/p>\n\n\n\n

            \u3000\u3000LoRa\u6a21\u5757\u652f\u6301\u5355\u8def\u3001\u53cc\u8def\u548c\u4e09\u8def\u8fdc\u7a0b\u63a7\u5236\u7684\u667a\u80fd\u89e6\u6478\u5f00\u5173\uff0c\u914d\u5408\u7269\u8054\u7f51\u5e73\u53f0\u4f7f\u7528\uff0c\u53ef\u4ee5\u4e3a\u7528\u6237\u63d0\u4f9b\u667a\u80fd\u3001\u8282\u80fd\u7684\u706f\u5149\u7ba1\u7406\u4f53\u9a8c\u3002\u8fd9\u79cd\u8282\u80fd\u7ba1\u7406\u4e0d\u4ec5\u964d\u4f4e\u4e86\u80fd\u6e90\u6d88\u8017\uff0c\u8fd8\u63d0\u9ad8\u4e86\u7528\u6237\u7684\u6ee1\u610f\u5ea6\u3002<\/p>\n\n\n\n

            \u3000\u3000\u5728\u4e00\u4e9b\u590d\u6742\u7684\u573a\u666f\u4e2d\uff0c\u5982\u5de5\u4e1a\u63a7\u5236\u548c\u519c\u4e1a\u704c\u6e89\u7b49\u9886\u57df\uff0cLoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173\u4e5f\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002\u5b83\u80fd\u591f\u5b9e\u73b0\u591a\u8def\u65e0\u7ebf\u9065\u63a7\u529f\u80fd\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u7f51\u7edc\u901a\u4fe1\u6280\u672f\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n

            \u3000\u3000\u516d\u3001 LoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173\u4e0e\u5176\u4ed6\u4f4e\u529f\u8017\u901a\u4fe1\u6280\u672f\u5bf9\u6bd4<\/h2>\n\n\n\n

            \u3000\u3000LoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173\u5728\u4f4e\u529f\u8017\u901a\u4fe1\u6280\u672f\u4e2d\u5177\u6709\u663e\u8457\u7684\u4f18\u52bf\u548c\u4e00\u4e9b\u4e0d\u8db3\uff0c\u4e0eZigbee\u548cBluetooth Low Energy(BLE)\u76f8\u6bd4\uff0c\u5176\u7279\u70b9\u5982\u4e0b\uff1a<\/p>\n\n\n\n

            \u3000\u30001. \u4f18\u52bf<\/h3>\n\n\n\n

            \u3000\u3000LoRa\u80fd\u591f\u5b9e\u73b0\u957f\u8fbe\u6570\u516c\u91cc\u7684\u901a\u4fe1\u8ddd\u79bb\uff0c\u8fd9\u662f\u7531\u4e8e\u5176\u91c7\u7528\u4e86\u4f4e\u529f\u8017\u5c04\u9891\u6280\u672f\u548c\u6269\u9891\u8c03\u5236\u6280\u672f(\u5982Chirp Spread Spectrum, CSS)\uff0c\u4f7f\u5f97\u4fe1\u53f7\u80fd\u591f\u5728\u8f83\u8fdc\u7684\u8ddd\u79bb\u5185\u4fdd\u6301\u7a33\u5b9a\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cZigbee\u7684\u901a\u4fe1\u8ddd\u79bb\u901a\u5e38\u8f83\u77ed\uff0c\u56e0\u4e3a\u5176\u5de5\u4f5c\u57282.4GHz\u9891\u6bb5\uff0c\u4fe1\u9053\u8870\u51cf\u8f83\u5feb\uff0c\u7a7f\u5899\u80fd\u529b\u8f83\u5dee\u3002<\/p>\n\n\n\n

            \u3000\u3000LoRa\u5728\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u65f6\uff0c\u80fd\u591f\u4ee5\u6781\u4f4e\u7684\u529f\u8017\u8fdb\u884c\u901a\u4fe1\uff0c\u8fd9\u4f7f\u5f97\u8bbe\u5907\u53ef\u4ee5\u957f\u65f6\u95f4\u8fd0\u884c\u800c\u65e0\u9700\u9891\u7e41\u66f4\u6362\u7535\u6c60\u3002\u8fd9\u4e00\u70b9\u5bf9\u4e8e\u9700\u8981\u957f\u671f\u90e8\u7f72\u7684\u7269\u8054\u7f51\u5e94\u7528\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n\n\n\n

            \u3000\u3000LoRa\u91c7\u7528\u6269\u9891\u6280\u672f\uff0c\u901a\u8fc7\u5c06\u4fe1\u53f7\u6269\u5c55\u5230\u4e0d\u540c\u7684\u9891\u6bb5\u4e0a\uff0c\u4ece\u800c\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u3002\u8fd9\u79cd\u7279\u6027\u4f7f\u5176\u5728\u590d\u6742\u73af\u5883\u4e2d\u4e5f\u80fd\u4fdd\u6301\u7a33\u5b9a\u7684\u901a\u4fe1\u3002<\/p>\n\n\n\n

            \u3000\u3000LoRa\u6280\u672f\u5177\u5907\u4f4e\u6210\u672c\u548c\u6613\u4e8e\u90e8\u7f72\u7684\u7279\u70b9\uff0c\u9002\u5408\u5927\u89c4\u6a21\u7269\u8054\u7f51\u5e94\u7528\u3002<\/p>\n\n\n\n

            \u3000\u3000LoRa\u652f\u6301\u591a\u8282\u70b9\u7f51\u7edc\uff0c\u5e76\u4e14\u5177\u6709\u7075\u6d3b\u7684\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\uff0c\u80fd\u591f\u9002\u5e94\u5404\u79cd\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n

            \u3000\u30002. \u4e0d\u8db3<\/h3>\n\n\n\n

            \u3000\u3000LoRa\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u76f8\u5bf9\u8f83\u4f4e\uff0c\u901a\u5e38\u5728300bps\u523037.5kbps\u4e4b\u95f4\u3002\u8fd9\u53ef\u80fd\u4e0d\u9002\u5408\u5bf9\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u6709\u9700\u6c42\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u5b9e\u65f6\u89c6\u9891\u4f20\u8f93\u6216\u9ad8\u7cbe\u5ea6\u4f20\u611f\u5668\u6570\u636e\u91c7\u96c6\u3002<\/p>\n\n\n\n

            \u3000\u3000LoRa\u4f7f\u7528\u5c0f\u6570\u636e\u5305\u8fdb\u884c\u901a\u4fe1\uff0c\u8fd9\u9650\u5236\u4e86\u6bcf\u4e2a\u6570\u636e\u5305\u53ef\u4ee5\u643a\u5e26\u7684\u4fe1\u606f\u91cf\u3002<\/p>\n\n\n\n

            \u3000\u3000\u867d\u7136LoRa\u5728\u4f4e\u529f\u8017\u6a21\u5f0f\u4e0b\u8868\u73b0\u51fa\u8272\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5982\u9700\u8981\u5feb\u901f\u54cd\u5e94\u6216\u9ad8\u9891\u7387\u6570\u636e\u4f20\u8f93\u65f6\uff0c\u5176\u6027\u80fd\u53ef\u80fd\u4e0d\u5982\u5176\u4ed6\u6280\u672f\u3002<\/p>\n\n\n\n

            \u3000\u30003. \u603b\u7ed3<\/h3>\n\n\n\n

            \u3000\u3000LoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173\u5728\u957f\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u65b9\u9762\u5177\u6709\u663e\u8457\u4f18\u52bf\uff0c\u7279\u522b\u9002\u7528\u4e8e\u9700\u8981\u957f\u671f\u90e8\u7f72\u4e14\u5bf9\u6570\u636e\u4f20\u8f93\u901f\u7387\u8981\u6c42\u4e0d\u9ad8\u7684\u7269\u8054\u7f51\u5e94\u7528\u3002\u7136\u800c\uff0c\u5176\u8f83\u4f4e\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u6709\u9650\u7684\u6570\u636e\u5305\u5927\u5c0f\u662f\u5176\u4e3b\u8981\u4e0d\u8db3\u4e4b\u5904\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

            LoRa\u65e0\u7ebf\u9065\u63a7\u5f00\u5173\u7684\u6838\u5fc3\u662fLoRa\u8c03\u5236\u6280\u672f\uff0c\u8be5\u6280\u672f\u901a\u8fc7\u6269\u9891\u6280\u672f\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u7684\u65e0\u7ebf\u4f20\u8f93\u3002\u5b83\u91c7\u7528\u7269\u8054\u7f51\u534f\u8bae\uff0c\u80fd\u591f\u5c06\u5404\u79cd\u8bbe\u5907\u8fde\u63a5\u8d77\u6765\uff0c\u5b9e\u73b0\u667a\u80fd\u63a7\u5236\u3002<\/p>\n","protected":false},"author":1,"featured_media":90183,"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],"class_list":["post-95352","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-l-2"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/95352","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=95352"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/95352\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/90183"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=95352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=95352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=95352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}