{"id":99892,"date":"2024-12-13T10:59:54","date_gmt":"2024-12-13T02:59:54","guid":{"rendered":"\/\/www.viralrail.com\/?p=99892"},"modified":"2024-12-13T10:59:57","modified_gmt":"2024-12-13T02:59:57","slug":"ldxdssys","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99892.html","title":{"rendered":"LoRa\u7684\u4fe1\u9053\u662f\u5565\u610f\u601d"},"content":{"rendered":"\n<p>\u3000\u3000<strong>LoRa<\/strong>\u7684\u4fe1\u9053\u662f\u6307\u5728LoRa(Long Range)\u901a\u4fe1\u6280\u672f\u4e2d\uff0c\u7528\u4e8e\u6570\u636e\u4f20\u8f93\u7684\u7279\u5b9a\u9891\u7387\u8303\u56f4\u548c\u5e26\u5bbd\u3002\u8fd9\u4e9b\u4fe1\u9053\u662fLoRa\u8bbe\u5907\u5728\u901a\u4fe1\u8fc7\u7a0b\u4e2d\u9009\u62e9\u7684\u8def\u5f84\uff0c\u7528\u4e8e\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u4fe1\u9053\u7684\u914d\u7f6e\u5305\u62ec\u4e2d\u5fc3\u9891\u7387\u548c\u5e26\u5bbd\uff0c\u4f8b\u5982\uff0c\u4e00\u4e2a\u4fe1\u9053\u53ef\u80fd\u4ee5470.4MHz\u4e3a\u4e2d\u5fc3\uff0c\u5e26\u5bbd\u4e3a200kHz\uff0c\u5f62\u6210470.3~470.5MHz\u7684\u4fe1\u9053\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u901a\u8fc7\u6269\u9891\u8c03\u5236\u6280\u672f\u5b9e\u73b0\u957f\u8ddd\u79bb\u4f20\u8f93\uff0c\u540c\u65f6\u4fdd\u6301\u4f4e\u529f\u8017\u7684\u7279\u70b9\u3002\u8fd9\u79cd\u6280\u672f\u5141\u8bb8\u5728\u8f83\u5bbd\u7684\u9891\u5e26\u5185\u5206\u914d\u591a\u4e2a\u5b50\u4fe1\u9053\uff0c\u4ee5\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u548c\u901a\u4fe1\u8ddd\u79bb\u3002\u4fe1\u9053\u7684\u9009\u62e9\u5bf9\u4e8e\u7f51\u7edc\u6027\u80fd\u81f3\u5173\u91cd\u8981\uff0c\u5408\u7406\u7684\u4fe1\u9053\u89c4\u5212\u548c\u529f\u7387\u8bbe\u7f6e\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u7f51\u7edc\u7684\u6548\u7387\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728LoRaWAN\u7f51\u7edc\u4e2d\uff0c\u4fe1\u9053\u7684\u4f7f\u7528\u901a\u5e38\u9075\u5faa\u4e00\u5b9a\u7684\u89c4\u5219\u3002\u4f8b\u5982\uff0cSX1278\u5c04\u9891\u8bbe\u5907\u53ef\u4ee5\u5728410MHz\u5230525MHz\u8303\u56f4\u5185\u5de5\u4f5c\uff0c\u901a\u8fc7\u8bbe\u7f6e\u4e2d\u5fc3\u9891\u7387\u548c\u5e26\u5bbd\u6765\u5b9a\u4e49\u4fe1\u9053\u3002\u6b64\u5916\uff0cLoRa\u7ec8\u7aef\u5728\u53d1\u9001\u6570\u636e\u65f6\u53ef\u4ee5\u9009\u62e9\u9884\u5b9a\u4e49\u7684\u591a\u4e2a\u4fe1\u9053\u4e4b\u4e00\uff0c\u6216\u8005\u7531\u57fa\u7ad9\u6307\u6d3e\u4e00\u4e2a\u56fa\u5b9a\u7684\u4fe1\u9053\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b(CAD)\u662fLoRa\u6280\u672f\u4e2d\u7528\u4e8e\u68c0\u6d4b\u65e0\u7ebf\u4fe1\u9053\u4e0aLoRa\u4fe1\u53f7\u7684\u65b9\u6cd5\u3002CAD\u901a\u8fc7\u68c0\u6d4b\u524d\u5bfc\u7801\u6765\u786e\u5b9a\u4fe1\u9053\u662f\u5426\u88ab\u5360\u7528\uff0c\u4ece\u800c\u786e\u4fdd\u901a\u4fe1\u7684\u6709\u6548\u6027\u548c\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u7684\u4fe1\u9053\u662fLoRa\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206\uff0c\u5b83\u51b3\u5b9a\u4e86\u6570\u636e\u4f20\u8f93\u7684\u9891\u7387\u548c\u5e26\u5bbd\uff0c\u5bf9\u7f51\u7edc\u7684\u6574\u4f53\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u6709\u7740\u91cd\u8981\u5f71\u54cd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa\u6280\u672f\u4e2d\u4fe1\u9053\u914d\u7f6e\u7684\u5177\u4f53\u6807\u51c6\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u4e2d\u4fe1\u9053\u914d\u7f6e\u7684\u5177\u4f53\u6807\u51c6\u56e0\u5730\u533a\u800c\u5f02\uff0c\u4ee5\u4e0b\u662f\u51e0\u4e2a\u4e3b\u8981\u533a\u57df\u7684\u8be6\u7ec6\u914d\u7f6e\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u4e2d\u56fd\uff08470-510 MHz\u9891\u6bb5\uff09<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u4e0a\u884c\u4fe1\u9053\uff1a96\u4e2a\u4fe1\u9053\uff0c\u7f16\u53f7\u4ece0\u523095.\u4f7f\u7528125kHz\u5e26\u5bbd\uff0c\u901f\u7387\u4eceDR0\u5230DR5.\u7f16\u7801\u73874\/5.\u4ece470.3 MHz\u5f00\u59cb\u4ee5\u6b65\u957f200kHz\u589e\u957f\u5230489.3 MHz\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e0b\u884c\u4fe1\u9053\uff1a48\u4e2a\u4fe1\u9053\uff0c\u7f16\u53f7\u4ece0\u523047.\u4f7f\u7528125kHz\u5e26\u5bbd\uff0c\u901f\u7387\u4eceDR0\u5230DR5.\u7f16\u7801\u73874\/5.\u4ece500.3 MHz\u5f00\u59cb\u4ee5\u6b65\u957f200kHz\u589e\u957f\u5230509.7 MHz\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u53d1\u5c04\u529f\u7387\u8981\u6c42\uff1a\u5c0f\u4e8e50mW(\u621617dBm)\uff0c\u53d1\u5c04\u6301\u7eed\u65f6\u95f4\u4e0d\u80fd\u8d85\u8fc75000ms\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u6b27\u6d32\uff08863-870 MHz\u9891\u6bb5\uff09<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u4e0a\u884c\u4fe1\u9053\uff1a\u901a\u5e38\u914d\u7f6e\u67098\u4e2a\u6216\u66f4\u591a\u7684\u4e0a\u884c\u4fe1\u9053\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e0b\u884c\u4fe1\u9053\uff1a\u901a\u5e38\u914d\u7f6e\u67091\u52302\u4e2a\u4e3b\u8981\u4e0b\u884c\u4fe1\u9053\uff0c\u53e6\u5916\u53ef\u80fd\u6709\u4e00\u4e9b\u5907\u7528\u7684\u4e0b\u884c\u4fe1\u9053\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u53d1\u5c04\u529f\u7387\u8981\u6c42\uff1a\u6700\u5927\u4e0a\u884c\u94fe\u8def\u4f20\u8f93\u529f\u7387\u4e3a25 mW\uff0c\u6700\u5927\u4e0b\u884c\u94fe\u8def\u4f20\u8f93\u529f\u7387\u4e3a500 mW\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u7f8e\u56fd\uff08902-928 MHz\u9891\u6bb5\uff09<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u4e0a\u884c\u4fe1\u9053\uff1a64\u4e2a\u4fe1\u9053\uff0c\u4f7f\u7528125kHz\u5e26\u5bbd\uff0c\u901f\u7387\u4eceDR0\u5230DR3.\u91c7\u75284\/5\u7684\u524d\u5411\u7ea0\u9519\u7b97\u6cd5\uff0c\u5de5\u4f5c\u9891\u7387\u4e3a902.3\uff5e914.9MHz\uff0c\u6bcf\u9694200kHz\u4e00\u4e2a\u4fe1\u9053\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e0b\u884c\u4fe1\u9053\uff1a8\u4e2a\u4fe1\u9053\uff0c\u4f7f\u7528500kHz\u5e26\u5bbd\uff0c\u901f\u7387\u4eceDR8\u5230DR13.\u5de5\u4f5c\u9891\u7387\u4e3a923.3\uff5e927.5MHz\uff0c\u6bcf\u9694600kHz\u4e00\u4e2a\u4fe1\u9053\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u65e5\u672c\uff08920-923 MHz\u9891\u6bb5\uff09<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u4e0a\u884c\u4fe1\u9053\uff1a\u6839\u636e\u4e0d\u540c\u7684\u533a\u57df\u6216\u9891\u7387\u8ba1\u5212\uff0cLoRaWAN\u53ef\u4ee5\u4f7f\u7528125 kHz\u3001250 kHz\u6216500 kHz\u7684\u5e26\u5bbd\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e0b\u884c\u4fe1\u9053\uff1a\u6839\u636e\u4e0d\u540c\u7684\u533a\u57df\u6216\u9891\u7387\u8ba1\u5212\uff0cLoRaWAN\u53ef\u4ee5\u4f7f\u7528125 kHz\u3001250 kHz\u6216500 kHz\u7684\u5e26\u5bbd\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u8fd9\u4e9b\u914d\u7f6e\u6807\u51c6\u53cd\u6620\u4e86\u4e0d\u540c\u5730\u533a\u5bf9LoRa\u6280\u672f\u7684\u5e94\u7528\u9700\u6c42\u548c\u6cd5\u89c4\u8981\u6c42\u3002\u4f8b\u5982\uff0c\u5728\u4e2d\u56fd\uff0c\u7531\u4e8e\u9891\u6bb5\u548c\u529f\u7387\u9650\u5236\u8f83\u4e3a\u4e25\u683c\uff0c\u56e0\u6b64\u4fe1\u9053\u6570\u91cf\u548c\u901f\u7387\u7684\u9009\u62e9\u76f8\u5bf9\u8f83\u5c11;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 \u5982\u4f55\u5728LoRaWAN\u7f51\u7edc\u4e2d\u8fdb\u884c\u6709\u6548\u7684\u4fe1\u9053\u89c4\u5212\u548c\u529f\u7387\u8bbe\u7f6e?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728LoRaWAN\u7f51\u7edc\u4e2d\u8fdb\u884c\u6709\u6548\u7684\u4fe1\u9053\u89c4\u5212\u548c\u529f\u7387\u8bbe\u7f6e\u662f\u786e\u4fdd\u7f51\u7edc\u6027\u80fd\u548c\u53ef\u9760\u6027\u7684\u5173\u952e\u6b65\u9aa4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u8be6\u7ec6\u7684\u7b56\u7565\u548c\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u4fe1\u9053\u89c4\u5212<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u5408\u7406\u5206\u914d\u4fe1\u9053<\/strong>\uff1a\u901a\u8fc7\u5408\u7406\u89c4\u5212\u4fe1\u9053\u7684\u5206\u914d\uff0c\u53ef\u4ee5\u51cf\u5c11\u4fe1\u9053\u95f4\u7684\u5e72\u6270\uff0c\u63d0\u9ad8\u7f51\u7edc\u541e\u5410\u91cf\u548c\u5bb9\u91cf\u3002\u9891\u7387\u89c4\u5212\u9700\u8981\u8003\u8651\u5468\u56f4\u73af\u5883\u7684\u5e72\u6270\u60c5\u51b5\u548c\u8bbe\u5907\u6570\u91cf\u5206\u5e03\uff0c\u5408\u7406\u9009\u62e9\u9891\u7387\u53ef\u4ee5\u51cf\u5c11\u8bbe\u5907\u4e4b\u95f4\u7684\u5e72\u6270\uff0c\u63d0\u9ad8\u7f51\u7edc\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f7f\u7528\u6269\u9891\u6280\u672f<\/strong>\uff1aLoRaWAN\u91c7\u7528\u4e86\u6269\u9891\u6280\u672f\uff0c\u5c06\u4fe1\u53f7\u5728\u9891\u57df\u4e0a\u8fdb\u884c\u6269\u5c55\uff0c\u4f7f\u5f97\u4fe1\u53f7\u5728\u540c\u4e00\u9891\u6bb5\u5185\u7684\u5360\u7528\u5bbd\u5ea6\u53d8\u5f97\u5f88\u5bbd\uff0c\u4ece\u800c\u51cf\u5c11\u540c\u4e00\u9891\u6bb5\u5185\u5176\u4ed6\u4fe1\u53f7\u5bf9\u5176\u7684\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u81ea\u9002\u5e94\u6570\u636e\u901f\u7387\uff08ADR\uff09<\/strong>&nbsp;\uff1a\u6839\u636e\u8282\u70b9\u7684\u8ddd\u79bb\u3001\u4fe1\u9053\u8d28\u91cf\u548c\u7f51\u7edc\u8d1f\u8f7d\u7b49\u53c2\u6570\uff0c\u52a8\u6001\u8c03\u6574\u8282\u70b9\u7684\u6570\u636e\u901f\u7387\uff0c\u4f7f\u8282\u70b9\u4e4b\u95f4\u7684\u4f20\u8f93\u65f6\u95f4\u9519\u5f00\uff0c\u4ece\u800c\u907f\u514d\u540c\u4e00\u9891\u6bb5\u7684\u5e72\u6270\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u591a\u91cd\u63a5\u5165\u6280\u672f<\/strong>\uff1a\u901a\u8fc7\u591a\u91cd\u63a5\u5165\u6280\u672f\u6765\u89e3\u51b3\u4fe1\u9053\u5bb9\u91cf\u5c0f\u7684\u95ee\u9898\uff0c\u5177\u4f53\u5305\u62ec\u6269\u9891\u56e0\u5b50\u7684\u9009\u62e9\u3001\u81ea\u9002\u5e94\u6570\u636e\u901f\u7387(ADR)\u7684\u4f7f\u7528\u4ee5\u53ca\u7f51\u7edc\u89c4\u5212\u548c\u5e03\u5c40\u7684\u4f18\u5316\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u529f\u7387\u63a7\u5236<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u8c03\u6574\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u4e86\u89e3\u53d1\u5c04\u529f\u7387\u4e0e\u8986\u76d6\u8303\u56f4\u7684\u5173\u7cfb\uff0c\u5f53\u65e0\u7ebf\u63a5\u5165\u70b9\u90e8\u7f72\u8f83\u7a00\u758f\u65f6\uff0c\u53ef\u4ee5\u5c06\u529f\u7387\u8c03\u6574\u7a0d\u5927\uff0c\u4ee5\u6269\u5927\u8986\u76d6\u8303\u56f4;\u5f53\u65e0\u7ebf\u63a5\u5165\u70b9\u90e8\u7f72\u8f83\u5bc6\u96c6\u65f6\uff0c\u5e94\u5c06\u529f\u7387\u8c03\u5c0f\uff0c\u4ee5\u51cf\u5c11\u8986\u76d6\u8303\u56f4\uff0c\u907f\u514d\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u6709\u8f83\u591a\u91cd\u5408\uff0c\u4ece\u800c\u51cf\u5c11\u4fe1\u53f7\u95f4\u7684\u76f8\u4e92\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f7f\u7528\u547d\u4ee4\u8bbe\u7f6e\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u53ef\u4ee5\u901a\u8fc7AT\u547d\u4ee4\u6765\u8bbe\u7f6eLoRaWAN\u8bbe\u5907\u7684\u53d1\u5c04\u529f\u7387\uff0c\u4f8b\u5982\u4f7f\u7528\u201cAT+POWER=14\u201d\u547d\u4ee4\u5c06\u53d1\u5c04\u529f\u7387\u8bbe\u7f6e\u4e3a14dBm\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u8003\u8651\u7f51\u7edc\u6761\u4ef6\u548c\u8bbe\u5907\u80fd\u529b<\/strong>\uff1a\u5728\u8c03\u6574\u53d1\u5c04\u529f\u7387\u65f6\uff0c\u9700\u8981\u8003\u8651\u7f51\u7edc\u6761\u4ef6\u548c\u8bbe\u5907\u7684\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9075\u5b88\u6cd5\u89c4\u9650\u5236<\/strong>\uff1a\u5728\u63d0\u9ad8\u53d1\u9001\u529f\u7387\u65f6\uff0c\u5fc5\u987b\u9075\u5b88\u5f53\u5730\u9891\u8c31\u4f7f\u7528\u6cd5\u89c4\uff0c\u907f\u514d\u8d85\u51fa\u9650\u5236\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003. \u7f51\u7edc\u5bc6\u5ea6\u7ba1\u7406<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u5408\u7406\u7ba1\u7406\u7f51\u7edc\u5bc6\u5ea6<\/strong>\uff1a\u5408\u7406\u7ba1\u7406\u7f51\u7edc\u5bc6\u5ea6\u53ef\u4ee5\u63d0\u9ad8\u7f51\u7edc\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002\u7f51\u7edc\u5bb9\u91cf\u89c4\u5212\u9700\u8981\u6839\u636e\u7269\u8054\u7f51\u8bbe\u5907\u7684\u6570\u91cf\u548c\u5206\u5e03\u60c5\u51b5\u8fdb\u884c\uff0c\u4ee5\u907f\u514d\u8bbe\u5907\u4e4b\u95f4\u7684\u5e72\u6270\u5e76\u63d0\u9ad8\u7f51\u7edc\u541e\u5410\u91cf\u548c\u8986\u76d6\u8303\u56f4\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7f51\u7edc\u8c03\u5ea6\u7b56\u7565<\/strong>\uff1a\u5408\u7406\u7ba1\u7406\u8bbe\u5907\u7684\u63a5\u5165\uff0c\u907f\u514d\u8bbe\u5907\u4e4b\u95f4\u7684\u78b0\u649e\uff0c\u63d0\u9ad8\u7f51\u7edc\u53ef\u9760\u6027\u548c\u5bb9\u91cf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004. \u5176\u4ed6\u4f18\u5316\u7b56\u7565<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u591a\u7f51\u5173\u90e8\u7f72\u4f18\u5316<\/strong>\uff1a\u5728\u591a\u7f51\u5173\u90e8\u7f72\u4e2d\uff0c\u7531\u4e8e\u8986\u76d6\u8303\u56f4\u53ef\u80fd\u91cd\u53e0\uff0c\u5bfc\u81f4\u8282\u70b9\u95f4\u7684\u5305\u4f20\u8f93\u51b2\u7a81\uff0c\u4ece\u800c\u964d\u4f4e\u7f51\u7edc\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u9700\u8981\u4f18\u5316\u591a\u7f51\u5173\u7684\u90e8\u7f72\u7b56\u7565\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u81ea\u9002\u5e94\u6570\u636e\u901f\u7387\uff08ADR\uff09<\/strong>&nbsp;\uff1a\u52a8\u6001\u8c03\u6574\u6570\u636e\u901f\u7387\u3001\u901a\u8bdd\u65f6\u95f4\u548c\u80fd\u8017\uff0c\u4ee5\u5ef6\u957f\u7535\u6c60\u5bff\u547d\u5e76\u63d0\u9ad8\u7f51\u7edc\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u4ee5\u4e0a\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u8fdb\u884cLoRaWAN\u7f51\u7edc\u7684\u4fe1\u9053\u89c4\u5212\u548c\u529f\u7387\u8bbe\u7f6e\uff0c\u4ece\u800c\u63d0\u9ad8\u7f51\u7edc\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 LoRa\u6280\u672f\u4e2d\u7684\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b(CAD)\u662f\u5982\u4f55\u5de5\u4f5c\u7684?<\/h2>\n\n\n\n<p>\u3000\u3000\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b(CAD)\u662fLoRa\u6280\u672f\u4e2d\u7684\u4e00\u9879\u5173\u952e\u529f\u80fd\uff0c\u7528\u4e8e\u68c0\u6d4b\u65e0\u7ebf\u7535\u4fe1\u9053\u4e0a\u662f\u5426\u5b58\u5728LoRa\u4fe1\u53f7\uff0c\u4ee5\u786e\u4fdd\u63a5\u6536\u673a\u4e0d\u4f1a\u53d7\u5230\u4f4e\u4e8e\u566a\u58f0\u5e95\u9650\u7684\u4fe1\u53f7\u5e72\u6270\u3002CAD\u901a\u8fc7\u5feb\u901f\u626b\u63cf\u9891\u6bb5\u6765\u68c0\u6d4bLoRa\u6570\u636e\u5305\u7684\u524d\u5bfc\u7801\uff0c\u8fd9\u79cd\u65b9\u6cd5\u6bd4\u4f20\u7edf\u7684RSSI\u65b9\u6cd5\u66f4\u5feb\u3001\u66f4\u53ef\u9760\uff0c\u9002\u7528\u4e8e\u4f4e\u529f\u8017\u8bbe\u5907\u5728\u6df1\u5ea6\u7761\u7720\u6a21\u5f0f\u4e0b\u7684\u5524\u9192\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728CAD\u6a21\u5f0f\u4e0b\uff0c\u82af\u7247\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u9501\u5b9aPLL\uff1aLoRa\u65e0\u7ebf\u63a5\u6536\u673a\u4ece\u4fe1\u9053\u83b7\u53d6LoRa\u524d\u5bfc\u7801\u7b26\u53f7\uff0c\u76f8\u5f53\u4e8e\u6267\u884cRx\u6a21\u5f0f\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5173\u95ed\u63a5\u6536\u673a\u4e0ePLL\uff1a\u5f00\u59cb\u6267\u884c\u8c03\u5236\u89e3\u8c03\u6570\u5b57\u5904\u7406\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u8ba1\u7b97\u5173\u8054\u5173\u7cfb\uff1a\u5bf9\u83b7\u53d6\u7684\u6837\u672c\u4fe1\u53f7\u4e0e\u7406\u60f3\u7684\u524d\u5bfc\u7801\u6ce2\u5f62\u8fdb\u884c\u5173\u8054\u5173\u7cfb\u8ba1\u7b97\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4ea7\u751fCAD\u4e2d\u65ad\u4fe1\u53f7\uff1a\u5982\u679c\u5173\u8054\u6210\u529f\uff0c\u4f1a\u540c\u65f6\u4ea7\u751fCADDetected\u4fe1\u53f7\uff0c\u82af\u7247\u6062\u590d\u5230\u5f85\u673a\u6a21\u5f0f\u3002<\/p>\n\n\n\n<p>\u3000\u3000CAD\u68c0\u6d4b\u65f6\u957f\u53d6\u51b3\u4e8eLoRa\u8bbe\u7f6e\uff0c\u901a\u5e38\u4e3aLoRa\u7b26\u53f7\u5468\u671f\u7684\u500d\u6570\u3002\u4e3b\u673a\u53d1\u9001\u524d\u5bfc\u7801\u65f6\u95f4\u9700\u5927\u4e8e\u4ece\u673a\u5b9a\u671f\u68c0\u6d4b\u65f6\u95f4\uff0c\u4ee5\u786e\u4fdd\u7a7a\u4e2d\u5524\u9192\u3002\u524d\u5bfc\u7801\u957f\u5ea6\u53ef\u901a\u8fc7\u914d\u7f6e\u5bc4\u5b58\u5668\u8bbe\u5b9a\uff0c\u8303\u56f4\u4e3a6\u81f365536.<\/p>\n\n\n\n<p>\u3000\u3000CAD\u6a21\u5f0f\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u4fe1\u9053\u76d1\u6d4b\u7684\u6548\u7387\uff0c\u8fd8\u663e\u8457\u964d\u4f4e\u4e86\u7535\u6d41\u6d88\u8017\uff0c\u4f7f\u5176\u6210\u4e3aLoRa\u8282\u70b9\u7a7a\u4e2d\u5524\u9192\u6280\u672f\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 \u5728LoRa\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u5982\u4f55\u9009\u62e9\u5408\u9002\u7684\u4fe1\u9053\u4ee5\u63d0\u9ad8\u7f51\u7edc\u7684\u6548\u7387\u548c\u53ef\u9760\u6027?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728LoRa\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u4fe1\u9053\u4ee5\u63d0\u9ad8\u7f51\u7edc\u7684\u6548\u7387\u548c\u53ef\u9760\u6027\u662f\u4e00\u4e2a\u590d\u6742\u4f46\u81f3\u5173\u91cd\u8981\u7684\u8fc7\u7a0b\u3002\u4ee5\u4e0b\u662f\u57fa\u4e8e\u6211\u641c\u7d22\u5230\u7684\u8d44\u6599\uff0c\u8be6\u7ec6\u8ba8\u8bba\u5982\u4f55\u8fdb\u884c\u4fe1\u9053\u9009\u62e9\u7684\u7b56\u7565\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u907f\u5f00\u786c\u4ef6\u52a3\u52bf\u9891\u70b9<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u4f7f\u7528LoRa\u6a21\u7ec4\u65f6\uff0c\u9700\u8981\u7279\u522b\u6ce8\u610f\u6a21\u7ec4\u7684\u786c\u4ef6\u7279\u6027\uff0c\u5982\u6676\u632f\u9891\u7387\u6574\u6570\u500d\u6570\u4e0b\u7684\u63a5\u6536\u7075\u654f\u5ea6\u4e0b\u964d\uff0c\u4ee5\u53ca\u67d0\u4e9b\u9891\u6bb5\u4e0b\u63a5\u6536\u7075\u654f\u5ea6\u8f83\u5dee\u7684\u60c5\u51b5\u3002\u56e0\u6b64\uff0c\u5728\u9009\u62e9\u4fe1\u9053\u65f6\u5e94\u907f\u5f00\u8fd9\u4e9b\u9891\u70b9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u5408\u7406\u5206\u914d\u4fe1\u9053\u95f4\u9694<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u8c03\u5236\u65b9\u5f0f\u5bf9\u9891\u504f\u8981\u6c42\u4e0d\u9ad8\uff0c\u4f46\u4e3a\u4e86\u51cf\u5c11\u5e72\u6270\uff0c\u5efa\u8bae\u76f8\u90bb\u4fe1\u9053\u95f4\u9694\u81f3\u5c11\u4e3a\u4e09\u500d\u5e26\u5bbd\uff0c\u5e76\u4e14\u4e24\u9891\u70b9\u95f4\u9694\u5dee\u503c\u4e0d\u80fd\u662f1MHz\u7684\u6574\u500d\u6570\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u901a\u4fe1\u8ddd\u79bb\u4e0d\u53d7\u5f71\u54cd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u9891\u7387\u89c4\u5212\u4e0e\u8df3\u9891\u6280\u672f<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u90e8\u7f72LoRa\u7f51\u7edc\u65f6\uff0c\u5e94\u8003\u8651\u5468\u56f4\u73af\u5883\u4e2d\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u7684\u5de5\u4f5c\u9891\u7387\uff0c\u907f\u514d\u9009\u62e9\u76f8\u540c\u6216\u76f8\u90bb\u7684\u9891\u7387\uff0c\u4ee5\u51cf\u5c11\u6f5c\u5728\u5e72\u6270\u3002\u4f7f\u7528\u8df3\u9891\u6280\u672f\u53ef\u4ee5\u5728\u591a\u4e2a\u4fe1\u9053\u4e4b\u95f4\u5207\u6362\uff0c\u4ece\u800c\u5e73\u5747\u5206\u914d\u5e72\u6270\uff0c\u51cf\u5c0f\u67d0\u4e00\u4fe1\u9053\u4e0a\u7684\u5e72\u6270\u8d1f\u8f7d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u52a8\u6001\u4fe1\u9053\u9009\u62e9\u7b97\u6cd5<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u9488\u5bf9LoRa\u7f51\u7edc\u5efa\u7acb\u4fe1\u9053\u51b2\u7a81\u548c\u94fe\u8def\u9884\u7b97\u6a21\u578b\uff0c\u901a\u8fc7\u5f15\u5165\u57fa\u4e8e\u591a\u76ee\u6807\u9057\u4f20\u7b97\u6cd5\u7684\u52a8\u6001\u53c2\u6570\u9009\u62e9\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5b9e\u65f6\u8c03\u6574\u4fe1\u9053\u8d44\u6e90\uff0c\u6839\u636e\u8bbe\u5907\u7684\u901a\u4fe1\u9700\u6c42\u548c\u7f51\u7edc\u8d1f\u8f7d\u60c5\u51b5\uff0c\u9009\u62e9\u6700\u8fd1\u7684\u53ef\u7528\u4fe1\u9053\uff0c\u5e76\u907f\u5f00\u62e5\u5835\u7684\u4fe1\u9053\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30005.&nbsp;<strong>\u4fe1\u9053\u68c0\u6d4b\u4e0e\u91cd\u53d1\u673a\u5236<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5728LoRa\u901a\u4fe1\u4e2d\uff0c\u9996\u5148\u8fdb\u884c\u7a7a\u95f2\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b\uff0c\u5982\u679c\u6ca1\u6709\u68c0\u6d4b\u5230LoRa\u524d\u5bfc\u7801\uff0c\u5219\u5f00\u59cb\u6570\u636e\u4f20\u8f93;\u53cd\u4e4b\uff0c\u9700\u8981\u91cd\u65b0\u9009\u53d6\u4fe1\u9053\u3002\u8fd9\u79cd\u673a\u5236\u53ef\u4ee5\u6709\u6548\u5904\u7406\u9519\u8bef\u4f20\u8f93\u95ee\u9898\uff0c\u51cf\u5c11\u91cd\u4f20\u6b21\u6570\uff0c\u63d0\u9ad8\u901a\u4fe1\u6548\u7387\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30006.&nbsp;<strong>\u524d\u5411\u7ea0\u9519\u7f16\u7801\uff08FEC\uff09<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u4f7f\u7528\u524d\u5411\u7ea0\u9519\u7f16\u7801(FEC)\u6765\u63d0\u9ad8\u6570\u636e\u7684\u53ef\u9760\u6027\u3002\u901a\u8fc7\u5728\u53d1\u9001\u7aef\u6dfb\u52a0\u5197\u4f59\u6570\u636e\uff0c\u63a5\u6536\u7aef\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u7ea0\u6b63\u63a5\u6536\u5230\u7684\u9519\u8bef\u6570\u636e\uff0c\u4ece\u800c\u63d0\u9ad8\u901a\u4fe1\u8d28\u91cf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30007.&nbsp;<strong>\u81ea\u9002\u5e94\u6570\u636e\u901f\u7387<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u5408\u9002\u7684\u4fe1\u9053\u9009\u62e9\uff0c\u53ef\u4ee5\u5b9e\u73b0\u81ea\u9002\u5e94\u6570\u636e\u901f\u7387\uff0c\u63d0\u9ad8\u901a\u4fe1\u6548\u7387\u5e76\u964d\u4f4e\u529f\u8017\u3002\u6b63\u786e\u7684\u4fe1\u9053\u9009\u62e9\u7b56\u7565\u80fd\u591f\u4f7fLoRaWAN\u7f51\u7edc\u66f4\u7a33\u5b9a\u3001\u53ef\u9760\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u987a\u5229\u8fdb\u884c\u3002<\/p>\n\n\n\n<h3 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