{"id":26171,"date":"2023-09-09T19:15:13","date_gmt":"2023-09-09T11:15:13","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=26171"},"modified":"2024-05-28T14:05:10","modified_gmt":"2024-05-28T06:05:10","slug":"lxhqdddszc","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/26171.html","title":{"rendered":"LORA\u4fe1\u53f7\u5f3a\u5ea6dBm\u591a\u5c11\u6b63\u5e38\uff1f"},"content":{"rendered":"\n<p>\u3000\u3000LORA(Long Range)\u662f\u4e00\u79cd\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(<strong><a href=\"https:\/\/www.techphant.cn\/blog\/90564.html\" data-type=\"link\" data-id=\"https:\/\/www.techphant.cn\/blog\/90564.html\">LPWAN<\/a><\/strong>)\u6280\u672f\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7269\u8054\u7f51(IoT)\u9886\u57df\u3002\u5728\u4f7f\u7528LORA\u6280\u672f\u65f6\uff0c\u4e86\u89e3\u4fe1\u53f7\u5f3a\u5ea6\u5bf9\u901a\u4fe1\u8d28\u91cf\u7684\u5f71\u54cd\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c06\u63a2\u8ba8LORA\u4fe1\u53f7\u5f3a\u5ea6\u7684\u6982\u5ff5\u3001\u5355\u4f4d\u4ee5\u53ca\u5f71\u54cd\u56e0\u7d20\uff0c\u5e76\u56de\u7b54LORA\u4fe1\u53f7\u5f3a\u5ea6dBm\u591a\u5c11\u624d\u7b97\u6b63\u5e38\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001LORA\u4fe1\u53f7\u5f3a\u5ea6\u7684\u6982\u5ff5<\/h2>\n\n\n\n<p>\u3000\u3000<strong><a href=\"https:\/\/www.techphant.cn\/blog\/26217.html\" data-type=\"link\" data-id=\"https:\/\/www.techphant.cn\/blog\/26217.html\">LORA\u4fe1\u53f7\u5f3a\u5ea6\u662f<\/a>\u6307\u8bbe\u5907\u63a5\u6536\u5230\u7684LORA\u4fe1\u53f7\u7684\u5f3a\u5ea6\u6216\u529f\u7387\u3002\u901a\u5e38\u4ee5dBm(\u5206\u8d1d\u6beb\u74e6)\u4e3a\u5355\u4f4d\u8868\u793a\uff0cdBm\u662f\u4e00\u79cd\u5bf9\u529f\u7387\u8fdb\u884c\u76f8\u5bf9\u6bd4\u8f83\u7684\u5355\u4f4d\uff0c\u5b83\u662f\u4ee5\u6beb\u74e6\u4e3a\u53c2\u8003\u70b9\u3002<\/strong>\u8f83\u9ad8\u7684dBm\u503c\u8868\u793a\u8f83\u5f3a\u7684\u4fe1\u53f7\u5f3a\u5ea6\uff0c\u53cd\u4e4b\u5219\u8868\u793a\u8f83\u5f31\u7684\u4fe1\u53f7\u5f3a\u5ea6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001LORA\u4fe1\u53f7\u5f3a\u5ea6\u7684\u5f71\u54cd\u56e0\u7d20<\/h2>\n\n\n\n<p>\u3000\u3000<strong>1. \u8ddd\u79bb<\/strong>\uff1aLORA\u6280\u672f\u5177\u6709\u8f83\u957f\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u4f46\u968f\u7740\u8ddd\u79bb\u7684\u589e\u52a0\uff0c\u4fe1\u53f7\u5f3a\u5ea6\u4f1a\u9010\u6e10\u51cf\u5f31\u3002\u4e00\u822c\u6765\u8bf4\uff0cLORA\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u8ddd\u79bb\u5728\u51e0\u516c\u91cc\u5230\u6570\u5341\u516c\u91cc\u4e4b\u95f4\uff0c\u4fe1\u53f7\u5f3a\u5ea6\u4f1a\u968f\u7740\u8ddd\u79bb\u7684\u589e\u52a0\u800c\u964d\u4f4e\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>2. \u969c\u788d\u7269<\/strong>\uff1a\u969c\u788d\u7269\u5982\u5efa\u7b51\u7269\u3001\u6811\u6728\u3001\u5730\u5f62\u7b49\u4f1a\u5bf9LORA\u4fe1\u53f7\u7684\u4f20\u8f93\u4ea7\u751f\u5e72\u6270\u548c\u8870\u51cf\u3002\u8f83\u591a\u7684\u969c\u788d\u7269\u4f1a\u5bfc\u81f4\u4fe1\u53f7\u5f3a\u5ea6\u964d\u4f4e\uff0c\u4ece\u800c\u5f71\u54cd\u901a\u4fe1\u8d28\u91cf\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>3. \u5929\u7ebf\u589e\u76ca<\/strong>\uff1a\u5929\u7ebf\u662fLORA\u8bbe\u5907\u63a5\u6536\u548c\u53d1\u9001\u4fe1\u53f7\u7684\u5173\u952e\u90e8\u5206\uff0c\u5929\u7ebf\u7684\u589e\u76ca\u4f1a\u5f71\u54cd\u4fe1\u53f7\u5f3a\u5ea6\u3002\u8f83\u9ad8\u589e\u76ca\u7684\u5929\u7ebf\u53ef\u4ee5\u63d0\u9ad8\u4fe1\u53f7\u5f3a\u5ea6\uff0c\u4ece\u800c\u589e\u5f3a\u901a\u4fe1\u8ddd\u79bb\u548c\u8d28\u91cf\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>4. \u73af\u5883\u5e72\u6270<\/strong>\uff1a\u5176\u4ed6\u65e0\u7ebf\u8bbe\u5907\u3001\u7535\u78c1\u5e72\u6270\u6e90\u7b49\u90fd\u53ef\u80fd\u5bf9LORA\u4fe1\u53f7\u4ea7\u751f\u5e72\u6270\uff0c\u4ece\u800c\u964d\u4f4e\u4fe1\u53f7\u5f3a\u5ea6\u3002\u5728\u590d\u6742\u7684\u73af\u5883\u4e2d\uff0c\u4fe1\u53f7\u5f3a\u5ea6\u53ef\u80fd\u4f1a\u53d7\u5230\u5e72\u6270\u7684\u5f71\u54cd\u800c\u4e0b\u964d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001LORA\u4fe1\u53f7\u5f3a\u5ea6dBm\u7684\u5e38\u89c1\u8303\u56f4<\/h2>\n\n\n\n<p>\u3000\u3000<strong>LORA\u4fe1\u53f7\u5f3a\u5ea6\u7684\u5e38\u89c1\u8303\u56f4\u901a\u5e38\u5728-120dBm\u5230-40dBm\u4e4b\u95f4\u3002\u4e00\u822c\u6765\u8bf4\uff0c-120dBm\u662f\u8f83\u5f31\u7684\u4fe1\u53f7\u5f3a\u5ea6\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u901a\u4fe1\u4e0d\u7a33\u5b9a\u6216\u65e0\u6cd5\u5efa\u7acb\u8fde\u63a5;\u800c-40dBm\u5219\u662f\u8f83\u5f3a\u7684\u4fe1\u53f7\u5f3a\u5ea6\uff0c\u901a\u5e38\u80fd\u591f\u63d0\u4f9b\u7a33\u5b9a\u7684\u901a\u4fe1\u548c\u8f83\u957f\u7684\u901a\u4fe1\u8ddd\u79bb\u3002<\/strong><\/p>\n\n\n\n<p>\u3000\u3000\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cLORA\u4fe1\u53f7\u5f3a\u5ea6\u7684\u6b63\u5e38\u8303\u56f4\u4f1a\u6839\u636e\u5177\u4f53\u5e94\u7528\u73af\u5883\u548c\u8bbe\u5907\u7684\u8981\u6c42\u800c\u6709\u6240\u4e0d\u540c\u3002\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u53ef\u80fd\u5bf9\u4fe1\u53f7\u5f3a\u5ea6\u6709\u4e0d\u540c\u7684\u8981\u6c42\uff0c\u56e0\u6b64\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001\u5982\u4f55\u4f18\u5316LORA\u4fe1\u53f7\u5f3a\u5ea6<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u30001. \u9009\u62e9\u5408\u9002\u7684\u5929\u7ebf\uff1a\u6839\u636e\u5177\u4f53\u5e94\u7528\u573a\u666f\u548c\u901a\u4fe1\u8ddd\u79bb\u8981\u6c42\u9009\u62e9\u9002\u5408\u7684\u5929\u7ebf\uff0c\u6ce8\u610f\u5929\u7ebf\u7684\u589e\u76ca\u548c\u65b9\u5411\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u30002. \u907f\u514d\u969c\u788d\u7269\uff1a\u5728\u5e03\u7f6eLORA\u8bbe\u5907\u65f6\uff0c\u5c3d\u91cf\u907f\u5f00\u969c\u788d\u7269\uff0c\u9009\u62e9\u5f00\u9614\u7684\u533a\u57df\u8fdb\u884c\u901a\u4fe1\u3002<\/li>\n\n\n\n<li>\u3000\u30003. \u5408\u7406\u5e03\u7f6e\u8bbe\u5907\uff1a\u5408\u7406\u5e03\u7f6e\u8bbe\u5907\u53ef\u4ee5\u51cf\u5c11\u4fe1\u53f7\u5e72\u6270\u548c\u8870\u51cf\uff0c\u63d0\u9ad8\u4fe1\u53f7\u5f3a\u5ea6\u3002<\/li>\n\n\n\n<li>\u3000\u30004. 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