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\u8fd9\u662f\u56e0\u4e3a\u6c7d\u8f66\u4ece\u9759\u6b62\u5230\u524d\u51b2\u65f6\uff0c\u4ea7\u751f\u5f88\u5927\u60ef\u6027\u529b\uff0c\u5bf9\u53d1\u52a8\u673a\u9020\u6210\u5f88\u5927\u5730\u963b\u529b\u77e9\u3002\u5728\u8fd9\u60ef\u6027\u963b\u529b\u77e9\u4f5c\u7528\u4e0b\uff0c\u53d1\u52a8\u673a\u5728\u77ac\u65f6\u95f4\u8f6c\u901f\u6025\u5267\u4e0b\u964d\u5230\u6700\u4f4e\u7a33\u5b9a\u8f6c\u901f\uff08\u4e00\u822c300-500RPM\uff09\u4ee5\u4e0b\uff0c\u53d1\u52a8\u673a\u5373\u7184\u706b\u800c\u4e0d\u80fd\u5de5\u4f5c\uff0c\u5f53\u7136\u6c7d\u8f66\u4e5f\u4e0d\u80fd\u8d77\u6b65\u3002<\/p>\n

 \u56e0\u6b64\uff0c\u6211\u4eec\u5c31\u9700\u8981\u79bb\u5408\u5668\u7684\u5e2e\u52a9\u4e86\u3002\u5728\u53d1\u52a8\u673a\u8d77\u52a8\u540e\uff0c\u6c7d\u8f66\u8d77\u6b65\u4e4b\u524d\uff0c\u9a7e\u9a76\u5458\u5148\u8e29\u4e0b\u79bb\u5408\u5668\u8e0f\u677f\uff0c\u5c06\u79bb\u5408\u5668\u5206\u79bb\uff0c\u4f7f\u53d1\u52a8\u673a\u548c\u4f20\u52a8\u7cfb\u8131\u5f00\uff0c\u518d\u5c06\u53d8\u901f\u5668\u6302\u4e0a\u6863\uff0c\u7136\u540e\u9010\u6e10\u677e\u5f00\u79bb\u5408\u5668\u8e0f\u677f\uff0c\u4f7f\u79bb\u5408\u5668\u9010\u6e10\u63a5\u5408\u3002<\/p>\n

 2\u3001\u4fdd\u8bc1\u4f20\u52a8\u7cfb\u6362\u6863\u65f6\u5de5\u4f5c\u5e73\u987a \u5728\u6c7d\u8f66\u884c\u9a76\u8fc7\u7a0b\u4e2d\uff0c\u4e3a\u9002\u5e94\u4e0d\u65ad\u53d8\u5316\u7684\u884c\u9a76\u6761\u4ef6\uff0c\u4f20\u52a8\u7cfb\u7ecf\u5e38\u8981\u66f4\u6362\u4e0d\u540c\u6863\u4f4d\u5de5\u4f5c\u3002<\/p>\n

 3\u3001\u9632\u6b62\u4f20\u52a8\u7cfb\u8fc7\u8f7d \u5f53\u6c7d\u8f66\u8fdb\u884c\u7d27\u6025\u5236\u52a8\u65f6\uff0c\u82e5\u6ca1\u6709\u79bb\u5408\u5668\uff0c\u5219\u53d1\u52a8\u673a\u5c06\u56e0\u548c\u4f20\u52a8\u7cfb\u521a\u6027\u8fde\u63a5\u800c\u6025\u5267\u964d\u4f4e\u8f6c\u901f\uff0c\u56e0\u800c\u5176\u4e2d\u6240\u6709\u8fd0\u52a8\u4ef6\u5c06\u4ea7\u751f\u5f88\u5927\u7684\u60ef\u6027\u529b\u77e9\uff08\u5176\u6570\u503c\u53ef\u80fd\u5927\u5927\u8d85\u8fc7\u53d1\u52a8\u673a\u6b63\u5e38\u5de5\u4f5c\u65f6\u6240\u53d1\u51fa\u7684\u6700\u5927\u626d \u8ddd\uff09\uff0c\u5bf9\u4f20\u52a8\u7cfb\u9020\u6210\u8d85\u8fc7\u5176\u627f\u8f7d\u80fd\u529b\u7684\u8f7d\u8377\uff0c\u800c\u4f7f\u673a\u4ef6\u635f\u574f\u3002\u6709\u4e86\u79bb\u5408\u5668\uff0c\u4fbf\u53ef\u4ee5\u4f9d\u9760\u79bb\u5408\u5668\u4e3b\u52a8\u90e8\u5206\u548c\u4ece\u52a8\u90e8\u5206\u4e4b\u95f4\u53ef\u80fd\u4ea7\u751f\u7684\u76f8\u5bf9\u8fd0\u52a8\u4ee5\u6d88\u9664\u8fd9\u4e00\u5371\u9669\u3002<\/p>\n

\u56e0\u6b64\uff0c\u6211\u4eec\u9700\u8981\u79bb\u5408\u5668\u6765\u9650\u5236\u4f20\u52a8\u7cfb\u6240\u627f\u53d7\u7684\u6700\u5927\u626d\u8ddd\uff0c\u4fdd\u8bc1\u5b89\u5168\u3002 \u901a\u8fc7\u4e0a\u9762\u7684\u4e86\u89e3\uff0c\u6211\u4eec\u53ef\u4ee5\u77e5\u9053\uff0c\u79bb\u5408\u5668\u5e94\u8be5\u4f7f\u8fd9\u6837\u4e00\u4e2a\u4f20\u52a8\u673a\u6784\uff1a\u5176\u4e3b\u52a8\u90e8\u5206\u548c\u4ece\u52a8\u90e8\u5206\u53ef\u4ee5\u6682\u65f6\u5206\u79bb\uff0c\u53c8\u53ef\u4ee5\u9010\u6e10\u63a5\u5408\uff0c\u5e76\u4e14\u5728\u4f20\u52a8\u8fc7\u7a0b\u4e2d\u8fd8\u8981\u6709\u53ef\u80fd\u76f8\u5bf9\u8f6c\u52a8\u3002 <\/p>\n

\u4e03\u3001lora\u7269\u8054\u7f51\u53d1\u5c55\u7684\u76ee\u7684\u548c\u610f\u4e49\uff1f<\/h2>\n

\u73b0\u5728\u5904\u4e8e\u4e00\u4e2a\u7269\u8054\u7f51\u65f6\u4ee3\uff0c\u7269\u7406\u7f51\u6280\u672f\u6b63\u5728\u5feb\u901f\u53d1\u5c55\u5f53\u4e2d\u3002\u968f\u7740\u7269\u8054\u7f51\u7684\u5feb\u901f\u53d1\u5c55\uff0c\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u4e5f\u5f97\u4ee5\u9700\u8981\u8fdb\u884c\u8fc8\u6b65\u53d1\u5c55\u3002\u5982\u4eca\u6d8c\u73b0\u51fa\u4e86\u8bb8\u591a\u4f4e\u5e26\u5bbd\u3001\u80fd\u8017\u4f4e\u3001\u8ddd\u79bb\u8fdc\u3001\u80fd\u505a\u5230\u5927\u91cf\u8fde\u63a5\u7684\u4ee5\u7269\u8054\u7f51\u5e94\u7528\u800c\u8bbe\u8ba1\u7684\u4f4e\u529f\u8017\u5e7f\u57df\u7f51\uff08LPWAN\uff09\u3002\u5176\u4e2d\u6280\u672f\u5219\u662f\u4ece\u4e2d\u8131\u9896\u800c\u51fa\uff0c\u5e76\u5f97\u5230\u7269\u8054\u7f51\u754c\u7684\u8ba4\u53ef\u3002<\/p>\n

\u57282013\u5e74\u76848\u6708\uff0c\u516c\u53f8\u5411\u4e1a\u754c\u6b63\u5f0f\u53d1\u5e03\u4e86\u4e00\u79cd\u65b0\u578b\u7684\u4f7f\u75281GHz\u4ee5\u4e0b\u7684\u8d85\u957f\u8ddd\u4f4e\u529f\u8017\u6570\u636e\u4f20\u8f93\u6280\u672f\uff08Long Range\uff0c\u7b80\u79f0LoRa\uff09\u7684\u82af\u7247\u3002\u5176\u63a5\u53d7\u7075\u654f\u5ea6\u8fbe\u5230\u4e86\u60ca\u4eba\u7684\uff0d148dbm\uff0c\u4e0e\u4e1a\u754c\u5176\u4ed6\u5148\u8fdb\u6c34\u5e73\u7684sub\uff0dGHz\u82af\u7247\u76f8\u6bd4\uff0c\u6700\u9ad8\u7684\u63a5\u6536\u7075\u654f\u5ea6\u6539\u5584\u4e8620db\u4ee5\u4e0a\uff0c\u8fd9\u786e\u4fdd\u4e86\u7f51\u7edc\u8fde\u63a5\u53ef\u9760\u6027\u3002<\/p>\n

\u5b83\u4f7f\u7528\u7ebf\u6027\u8c03\u9891\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u5373\u4fdd\u6301\u4e86\u50cfFSK\uff08\u9891\u79fb\u952e\u63a7\uff09\u8c03\u5236\u76f8\u540c\u7684\u4f4e\u529f\u8017\u7279\u6027\uff0c\u53c8\u660e\u663e\u5730\u589e\u52a0\u4e86\u901a\u4fe1\u8ddd\u79bb\uff0c\u540c\u65f6\u63d0\u9ad8\u4e86\u7f51\u7edc\u6548\u7387\u5e76\u6d88\u9664\u4e86\u5e72\u6270\uff0c\u5373\u4e0d\u540c\u6269\u9891\u5e8f\u5217\u7684\u7ec8\u7aef\u5373\u4f7f\u4f7f\u7528\u76f8\u540c\u7684\u9891\u7387\u540c\u65f6\u53d1\u9001\u4e5f\u4e0d\u4f1a\u76f8\u4e92\u5e72\u6270\uff0c\u56e0\u6b64\u5728\u6b64\u57fa\u7840\u4e0a\u7814\u53d1\u7684\u96c6\u4e2d\u5668\uff0f\u7f51\u5173\uff08Concentrator\uff0fGaway\uff09\u80fd\u591f\u5e76\u884c\u63a5\u6536\u5e76\u5904\u7406\u591a\u4e2a\u8282\u70b9\u7684\u6570\u636e\uff0c\u5927\u5927\u6269\u5c55\u4e86\u7cfb\u7edf\u5bb9\u91cf\u3002<\/p>\n

\u7ebf\u6027\u6269\u9891\u5df2\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\uff0c\u800cLoRa\u662f\u7b2c\u4e00\u4e2a\u7528\u4e8e\u5546\u4e1a\u7528\u9014\u7684\u4f4e\u6210\u672c\u5b9e\u73b0\u3002\u968f\u7740LoRa\u7684\u5f15\u5165\uff0c\u5d4c\u5165\u5f0f\u65e0\u7ebf\u901a\u4fe1\u9886\u57df\u7684\u5c40\u9762\u53d1\u751f\u4e86\u5f7b\u5e95\u7684\u6539\u53d8\u3002\u8fd9\u4e00\u6280\u672f\u6539\u53d8\u4e86\u4ee5\u5f80\u5173\u4e8e\u4f20\u8f93\u8ddd\u79bb\u4e0e\u529f\u8017\u7684\u6298\u8877\u8003\u8651\u65b9\u5f0f\uff0c\u63d0\u4f9b\u4e00\u79cd\u7b80\u5355\u7684\u80fd\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u3001\u957f\u7535\u6c60\u5bff\u547d\u3001\u5927\u5bb9\u91cf\u3001\u4f4e\u6210\u672c\u7684\u901a\u8baf\u7cfb\u7edf\u3002<\/p>\n

LoRa\u4e3b\u8981\u5728\u5168\u7403\u514d\u8d39\u9891\u6bb5\u8fd0\u884c\uff08\u5373\u975e\u6388\u6743\u9891\u6bb5\uff09\uff0c\u5305\u62ec433\u3001868\u3001915 MHz\u7b49\u3002LoRa\u7f51\u7edc\u4e3b\u8981\u7531\u7ec8\u7aef\uff08\u5185\u7f6eLoRa\u6a21\u5757\uff09\u3001\u7f51\u5173\uff08\u6216\u79f0\u57fa\u7ad9\uff09\u3001\u670d\u52a1\u5668\u548c\u4e91\u56db\u90e8\u5206\u7ec4\u6210\uff0c\u5e94\u7528\u6570\u636e\u53ef\u53cc\u5411\u4f20\u8f93\u3002<\/p>\n

LoRa\u4f5c\u4e3a\u76ee\u524d\u6700\u6709\u53d1\u5c55\u524d\u666f\u7684\u4f4e\u529f\u8017\u5e7f\u57df\u901a\u4fe1\u6280\u672f\uff0c\u5df2\u7ecf\u88ab\u8fd0\u7528\u5728\u4e2a\u5404\u884c\u5404\u4e1a\u4e2d\u3002LoRa\u4f7f\u7528\u7ebf\u6027\u8c03\u9891\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4fdd\u6301\u4e86\u4f4e\u529f\u8017\u7684\u540c\u65f6\uff0c\u660e\u663e\u589e\u52a0\u4e86\u901a\u4fe1\u8ddd\u79bb\u548c\u7f51\u7edc\u6548\u7387\uff0c\u5e76\u6d88\u9664\u4e86\u5e72\u6270\uff0c\u8fbe\u5230\u5373\u4f7f\u4f7f\u7528\u76f8\u540c\u9891\u7387\u540c\u65f6\u53d1\u9001\u4e5f\u4e0d\u4f1a\u4ea7\u751f\u76f8\u4e92\u5e72\u6270\u3002\u5728LoRa\u57fa\u7840\u4e0a\u7814\u53d1\u51fa\u7684\u7f51\u5173\u53ef\u4ee5\u5e76\u884c\u63a5\u6536\u3001\u5904\u7406\u591a\u4e2a\u8282\u70b9\u6570\u636e\uff0c\u62d3\u5c55\u4e86\u7cfb\u7edf\u5bb9\u91cf\u3002<\/p>\n

LoRa\u6570\u4f20\u7ec8\u7aef-L2S-B \u662f\u548c\u8fdc\u667a\u80fd\u5728\u591a\u5e74\u4e13\u4e1a\u7814\u5236\u751f\u4ea7\u7535\u529b\u4eea\u8868\u7684\u57fa\u7840\u4e0a\uff0c\u57fa\u4e8eLoRa\u5c04\u9891\u82af\u7247\u8bbe\u8ba1\u5236\u9020\u7684\u901a\u7528\u901a\u8baf\u4ea4\u4e92\u8bbe\u5907\u3002\u4ea7\u54c1\u96c6\u6210\u4e86\u4e24\u8def\u5de5\u4e1a\u6807\u51c6485\uff0c\u5c06\u6709\u7ebf\u8bbe\u5907\u9700\u8981\u4f20\u8f93\u7684\u6570\u636e\u901a\u8fc7RS485\u901a\u8baf\u7ebf\u4f20\u8f93\u5230\u8be5\u8bbe\u5907\u4e2d\uff0c\u518d\u5c06\u6570\u636e\u901a\u8fc7\u65e0\u7ebf\u65b9\u5f0f\u8fdb\u884c\u4f20\u8f93\uff0c\u652f\u6301\u591a\u79cd\u534f\u8bae\uff0c\u5b9e\u73b0\u6709\u7ebf\u8bbe\u5907\u4e0e\u65e0\u7ebf\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002\u672c\u4ea7\u54c1\u53ef\u5e7f\u6cdb\u7684\u5e94\u7528\u4e8e\u7269\u8054\u7f51\u3001\u96c6\u4e2d\u6284\u8868\u3001\u5de5\u4e1a\u63a7\u5236\u7b49\u65b9\u5411\u3002<\/p>\n

LoRa\u51ed\u501f\u5176\u6210\u672c\u4f4e\uff0c\u5206\u5e03\u5e7f\uff0c\u8010\u7528\u6027\u5f3a\uff0c\u6280\u672f\u6210\u719f\u7684\u7279\u70b9\u4f7f\u5176\u5df2\u7ecf\u5e7f\u6cdb\u7684\u5e94\u7528\u4e8e\u5404\u4e2a\u7269\u8054\u7f51\u884c\u4e1a\uff0c\u4f18\u826f\u7684\u6027\u80fd\u548c\u7075\u6d3b\u7684\u7ec4\u7f51\u5f62\u5f0f\u8d8a\u6765\u8d8a\u591a\u7684\u5e94\u7528\u4e8e\u5404\u884c\u5404\u4e1a\u4e2d\uff0c\u524d\u666f\u662f\u5e7f\u9614\u7684\u3002LoRa\u6570\u4f20\u7ec8\u7aefIOT-L2S-B\u662f\u57fa\u4e8eLoRa\u5c04\u9891\u82af\u7247\u8bbe\u8ba1\u5236\u9020\u7684\u901a\u7528\u901a\u8baf\u4ea4\u4e92\u8bbe\u5907\uff0c\u53ef\u5e7f\u6cdb\u7684\u5e94\u7528\u4e8e\u7269\u8054\u7f51\u3001\u96c6\u4e2d\u6284\u8868\u3001\u5de5\u4e1a\u63a7\u5236\u7b49\u65b9\u5411\u3002\u800c\u5176QoS\u4e0d\u9ad8\uff0c\u6570\u636e\u4f20\u8f93\u91cf\u5c0f\uff0c\u4e3a\u8282\u7ea6\u6210\u672c\u3001\u5927\u91cf\u8fde\u63a5\uff0c\u800c\u5bf9QoS\u8981\u6c42\u4e0d\u9ad8\u7684\u60c5\u51b5\u4e0b\uff0cLoRa\u65e0\u7591\u662f\u6700\u4f73\u7684\u9009\u62e9\u3002\u5b58\u5728\u5ef6\u8fdf\u7684\u7279\u70b9\u4f7f\u5f97\u5728\u67d0\u4e9b\u884c\u4e1a\u4e2d\u4e0e\u6709\u673a\u4e92\u8865\u3002<\/p>\n

\u53d1\u5c55\u73b0\u72b6<\/p>\n

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