{"id":97360,"date":"2024-09-01T16:46:34","date_gmt":"2024-09-01T08:46:34","guid":{"rendered":"\/\/www.viralrail.com\/?p=97360"},"modified":"2024-09-01T16:46:48","modified_gmt":"2024-09-01T08:46:48","slug":"lsmys","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/97360.html","title":{"rendered":"LoRa\u4ec0\u4e48\u610f\u601d\uff1f"},"content":{"rendered":"\n<p>\u3000\u3000<strong><a href=\"\/\/www.viralrail.com\/blog\/97260.html\" data-type=\"post\" data-id=\"97260\">LoRa<\/a><\/strong>(Long Range)\u662f\u4e00\u79cd\u7531Semtech\u516c\u53f8\u5f00\u53d1\u7684\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0c\u5176\u540d\u79f0\u6765\u6e90\u4e8e\u201cLong Range Radio\u201d\u3002LoRa\u6280\u672f\u7684\u6838\u5fc3\u5728\u4e8e\u5176\u6269\u9891\u8c03\u5236\u6280\u672f(Chirp Spread Spectrum, CSS)\uff0c\u8fd9\u79cd\u6280\u672f\u80fd\u591f\u663e\u8457\u63d0\u9ad8\u4fe1\u53f7\u7684\u63a5\u6536\u7075\u654f\u5ea6\uff0c\u4ece\u800c\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u901a\u4fe1\u3002LoRa\u6280\u672f\u5728\u540c\u6837\u7684\u529f\u8017\u6761\u4ef6\u4e0b\uff0c\u5176\u4f20\u64ad\u8ddd\u79bb\u6bd4\u5176\u4ed6\u65e0\u7ebf\u65b9\u5f0f\u66f4\u8fdc\uff0c\u901a\u5e38\u53ef\u4ee5\u6269\u59273-5\u500d\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7269\u8054\u7f51(IoT)\u9886\u57df\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u957f\u8ddd\u79bb\u4f20\u8f93\u548c\u4f4e\u529f\u8017\u7684\u573a\u666f\u4e2d\uff0c\u5982\u667a\u80fd\u57ce\u5e02\u3001\u519c\u4e1a\u76d1\u6d4b\u548c\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u3002LoRa\u7f51\u7edc\u901a\u5e38\u91c7\u7528\u661f\u578b\u7f51\u7edc\u67b6\u6784\uff0c\u7531\u7f51\u5173\u3001\u7f51\u7edc\u670d\u52a1\u5668\u4ee5\u53ca\u7ec8\u7aef\u8bbe\u5907\u7ec4\u6210\u3002LoRa\u6a21\u5757\u53ef\u4ee5\u76f4\u63a5\u4e0e\u670d\u52a1\u5668\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u51cf\u5c11\u6709\u7ebf\u8fde\u63a5\u7684\u70e6\u607c\uff0c\u9002\u5408\u4e0d\u9700\u8981\u8003\u8651\u529f\u8017\u7684\u63a7\u5236\u7c7b\u5e94\u7528\u9886\u57df\u3002<\/p>\n\n\n\n<p>\u3000\u3000<a href=\"\/\/www.viralrail.com\/blog\/93381.html\" data-type=\"post\" data-id=\"93381\">LoRa\u6280\u672f<\/a>\u7684\u4e00\u4e2a\u663e\u8457\u7279\u70b9\u662f\u5176\u4f4e\u529f\u8017\u7279\u6027\uff0c\u8fd9\u4f7f\u5f97\u5b83\u975e\u5e38\u9002\u5408\u7535\u6c60\u4f9b\u7535\u7684\u8bbe\u5907\uff0c\u5982\u4f20\u611f\u5668\u8282\u70b9\u548c\u6267\u884c\u5668\u3002\u6b64\u5916\uff0cLoRa\u6280\u672f\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u9891\u6bb5\uff0c\u5982\u7f8e\u56fd\u7684902-928MHz\u3001\u6b27\u76df\u7684863-928MHz\u548c\u4e2d\u56fd\u7684779-787MHz\u7b49\u3002LoRa\u6280\u672f\u901a\u8fc7\u6269\u9891\u8c03\u5236\u673a\u5236\u548c\u8d85\u8fdc\u4f20\u8f93\u8ddd\u79bb\uff0c\u5728\u7269\u8054\u7f51\u901a\u4fe1\u4e2d\u53d6\u5f97\u4e86\u663e\u8457\u7684\u5e94\u7528\u6210\u679c\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong><a href=\"https:\/\/baike.baidu.com\/item\/LoRa\/58702571\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/baike.baidu.com\/item\/LoRa\/58702571\" rel=\"noreferrer noopener nofollow\">LoRa<\/a><\/strong>\u662f\u4e00\u79cd\u57fa\u4e8e\u6269\u9891\u6280\u672f\u7684\u8fdc\u8ddd\u79bb\u65e0\u7ebf\u4f20\u8f93\u65b9\u6848\uff0c\u5c5e\u4e8e\u7269\u8054\u7f51\u901a\u4fe1\u6280\u672f\u4e4b\u4e00\uff0c\u5176\u6700\u5927\u7279\u70b9\u5c31\u662f\u8ddd\u79bb\u957f\u3001\u529f\u8017\u4f4e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa\u6280\u672f\u7684\u6269\u9891\u8c03\u5236\u6280\u672f(Chirp Spread Spectrum, CSS)\u662f\u5982\u4f55\u5de5\u4f5c\u7684<\/h2>\n\n\n\n<p>\u3000\u3000<a href=\"\/\/www.viralrail.com\/blog\/96417.html\" data-type=\"post\" data-id=\"96417\">LoRa\u6280\u672f\u7684<strong>\u6269\u9891\u8c03\u5236\u6280\u672f<\/strong><\/a>(Chirp Spread Spectrum, CSS)\u662f\u4e00\u79cd\u901a\u8fc7\u6539\u53d8\u4fe1\u53f7\u9891\u7387\u6765\u4f20\u8f93\u6570\u636e\u7684\u8c03\u5236\u65b9\u5f0f\uff0c\u5176\u5de5\u4f5c\u539f\u7406\u548c\u63d0\u9ad8\u4fe1\u53f7\u63a5\u6536\u7075\u654f\u5ea6\u7684\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u5de5\u4f5c\u539f\u7406<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u91c7\u7528<a href=\"\/\/www.viralrail.com\/blog\/91853.html\" data-type=\"post\" data-id=\"91853\">CSS\u8c03\u5236<\/a>\u65b9\u5f0f\uff0c\u901a\u8fc7\u6539\u53d8\u65e0\u7ebf\u4fe1\u53f7\u7684\u8c03\u5236\u65b9\u5f0f\u548c\u53c2\u6570\uff0c\u5b9e\u73b0\u957f\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u3001\u4f4e\u6570\u636e\u901f\u7387\u7684\u901a\u4fe1\u3002CSS\u8c03\u5236\u5206\u4e3a\u9891\u7387\u4e0a\u884c(up-chirp)\u548c\u9891\u7387\u4e0b\u884c(down-chirp)\u4e24\u79cd\u6a21\u5f0f\u3002<\/p>\n\n\n\n<p>\u3000\u3000CSS\u8c03\u5236\u901a\u8fc7\u83b7\u53d6\u6b63\u5f26\u4fe1\u53f7\u5e76\u968f\u65f6\u95f4\u7ebf\u6027\u6539\u53d8\u5176\u9891\u7387\uff0c\u521b\u5efa\u7ebf\u6027\u8c03\u9891\u4fe1\u53f7\u3002\u8fd9\u79cd\u7ebf\u6027\u8c03\u9891\u4fe1\u53f7\u5728\u9891\u7387\u4e0a\u968f\u65f6\u95f4\u589e\u52a0\u6216\u51cf\u5c11\uff0c\u7c7b\u4f3c\u4e8e\u8759\u8760\u548c\u6d77\u8c5a\u4e4b\u95f4\u7684\u901a\u4fe1\u65b9\u5f0f\u3002<\/p>\n\n\n\n<p>\u3000\u3000CSS\u8c03\u5236\u5c06\u6570\u636e\u7f16\u7801\u5230\u4e00\u7cfb\u5217\u8fde\u7eed\u7684\u9891\u7387\u53d8\u5316\u4e0a\uff0c\u8fd9\u79cd\u53d8\u5316\u4f7f\u5f97\u4fe1\u53f7\u5728\u66f4\u5bbd\u7684\u9891\u8c31\u8303\u56f4\u5185\u4f20\u8f93\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u63d0\u9ad8\u4fe1\u53f7\u63a5\u6536\u7075\u654f\u5ea6<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000CSS\u8c03\u5236\u901a\u8fc7\u6539\u53d8\u4fe1\u53f7\u7684\u9891\u7387\u6765\u589e\u52a0\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u4ece\u800c\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u901a\u4fe1\u3002\u8fd9\u79cd\u6297\u5e72\u6270\u80fd\u529b\u63d0\u9ad8\u4e86\u4fe1\u53f7\u5728\u590d\u6742\u73af\u5883\u4e2d\u7684\u63a5\u6536\u7075\u654f\u5ea6\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u5229\u7528CSS\u8c03\u5236\u5728\u56fa\u5b9a\u4fe1\u9053\u5e26\u5bbd\u5185\u7528\u6570\u636e\u901f\u7387\u6362\u53d6\u7075\u654f\u5ea6\uff0c\u901a\u8fc7\u9009\u62e9\u4e0d\u540c\u7684\u6269\u5c55\u56e0\u5b50(SF)\uff0c\u53ef\u4ee5\u5728\u6570\u636e\u901f\u7387\u548c\u63a5\u6536\u7075\u654f\u5ea6\u4e4b\u95f4\u8fdb\u884c\u6743\u8861\u3002\u6269\u5c55\u56e0\u5b50\u8d8a\u5927\uff0c\u6570\u636e\u901f\u7387\u8d8a\u6162\uff0c\u4f46\u63a5\u6536\u7075\u654f\u5ea6\u8d8a\u9ad8\uff0c\u901a\u4fe1\u8ddd\u79bb\u8d8a\u8fdc\u3002<\/p>\n\n\n\n<p>\u3000\u3000CSS\u8c03\u5236\u4f7f\u5f97LoRa\u4fe1\u53f7\u5728\u66f4\u5bbd\u7684\u9891\u8c31\u8303\u56f4\u5185\u4f20\u8f93\uff0c\u589e\u52a0\u4e86\u4fe1\u53f7\u7684\u8986\u76d6\u8303\u56f4\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u4fe1\u53f7\u63a5\u6536\u7075\u654f\u5ea6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRa\u6280\u672f\u5728\u667a\u80fd\u57ce\u5e02\u3001\u519c\u4e1a\u76d1\u6d4b\u548c\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9886\u57df\u7684\u5177\u4f53\u5e94\u7528<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u5728\u667a\u80fd\u57ce\u5e02\u3001\u519c\u4e1a\u76d1\u6d4b\u548c\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9886\u57df\u7684\u5177\u4f53\u5e94\u7528\u6848\u4f8b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u667a\u80fd\u57ce\u5e02<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u667a\u6167\u8def\u706f\u548c\u4e95\u76d6\u76d1\u63a7<\/strong>\uff1aLoRa\u6280\u672f\u53ef\u4ee5\u7528\u4e8e\u667a\u80fd\u8def\u706f\u548c\u4e95\u76d6\u7684\u76d1\u63a7\uff0c\u63d0\u9ad8\u57ce\u5e02\u7ba1\u7406\u7684\u667a\u80fd\u5316\u6c34\u5e73\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8fde\u63a5\u7167\u660e\u3001\u505c\u8f66\u3001\u5783\u573e\u6e05\u7406\u7b49\u57ce\u5e02\u670d\u52a1<\/strong>\uff1aLoRa\u6280\u672f\u5728\u667a\u6167\u57ce\u5e02\u4e2d\u7684\u5e94\u7528\uff0c\u5982\u8fde\u63a5\u7167\u660e\u3001\u505c\u8f66\u3001\u5783\u573e\u6e05\u7406\u7b49\u57ce\u5e02\u670d\u52a1\uff0c\u4f18\u5316\u57ce\u5e02\u7ba1\u7406\u548c\u8fd0\u8425\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5b9e\u65f6\u76d1\u6d4b\u6c14\u8c61\u73af\u5883<\/strong>\uff1aLoRa\u6280\u672f\u53ef\u4ee5\u7528\u4e8e\u519c\u573a\u6c14\u8c61\u5b9e\u65f6\u76d1\u6d4b\uff0c\u5305\u62ec\u7a7a\u6c14\u6e29\u6e7f\u5ea6\u3001\u5149\u7167\u3001\u964d\u96e8\u91cf\u3001\u98ce\u901f\u3001\u98ce\u5411\u7b49\u53c2\u6570\u7684\u76d1\u6d4b\uff0c\u53ca\u65f6\u9884\u62a5\u6781\u7aef\u6c14\u8c61\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u519c\u4e1a\u76d1\u6d4b<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u519c\u4e1a\u7269\u8054\u7f51\u76d1\u6d4b\u7cfb\u7edf<\/strong>\uff1a\u5229\u7528<a href=\"\/\/www.viralrail.com\/blog\/93879.html\" data-type=\"post\" data-id=\"93879\">LoRa\u6a21\u5757<\/a>\u5efa\u7acb\u8fdc\u7a0b\u76d1\u6d4b\u7cfb\u7edf\uff0c\u76d1\u6d4b\u571f\u58e4\u6e7f\u5ea6\u3001\u6e29\u5ea6\u3001\u5149\u7167\u7b49\u73af\u5883\u53c2\u6570\uff0c\u4f7f\u519c\u6c11\u53ef\u4ee5\u5b9e\u65f6\u76d1\u6d4b\u519c\u7530\u72b6\u51b5\uff0c\u63d0\u9ad8\u519c\u4e1a\u751f\u4ea7\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7cbe\u51c6\u704c\u6e89<\/strong>\uff1a\u901a\u8fc7\u4e0e\u571f\u58e4\u6e7f\u5ea6\u4f20\u611f\u5668\u3001\u6c14\u8c61\u4f20\u611f\u5668\u7b49\u8bbe\u5907\u7684\u7ed3\u5408\uff0cLoRa\u6a21\u5757\u53ef\u4ee5\u5b9e\u65f6\u83b7\u53d6\u519c\u7530\u7684\u571f\u58e4\u6e7f\u5ea6\u3001\u6c14\u8c61\u6761\u4ef6\u7b49\u6570\u636e\uff0c\u5e76\u636e\u6b64\u5b9e\u73b0\u8fdc\u7a0b\u76d1\u63a7\u548c\u63a7\u5236\u704c\u6e89\u8bbe\u5907\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u519c\u4e1a\u79cd\u690d\u5927\u68da\u76d1\u63a7<\/strong>\uff1a\u901a\u8fc7\u667a\u80fd\u65e0\u7ebf\u6e29\u6e7f\u5ea6\u91c7\u96c6\u5355\u5143\uff0c\u76d1\u6d4b\u5927\u68da\u5185\u7a7a\u6c14\u6e29\u6e7f\u5ea6\u3001\u571f\u58e4\u6e29\u6e7f\u5ea6\u3001CO2\u3001\u5149\u7167\u5ea6\u7b49\u53c2\u6570\uff0c\u63d0\u9192\u5f02\u5e38\u60c5\u51b5\uff0c\u5b9e\u73b0\u519c\u4e1a\u751f\u4ea7\u7684\u79d1\u5b66\u79cd\u690d\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u5de5\u4e1a\u81ea\u52a8\u5316<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5de5\u4e1a\u7269\u8054\u7f51<\/strong>\uff1aLoRa\u6280\u672f\u5728\u5de5\u4e1a\u7269\u8054\u7f51\u4e2d\u7684\u5e94\u7528\uff0c\u5305\u62ec\u8bbe\u5907\u76d1\u63a7\u3001\u80fd\u6e90\u7ba1\u7406\u3001\u751f\u4ea7\u6d41\u7a0b\u4f18\u5316\u7b49\u65b9\u9762\uff0c\u5229\u7528\u5176\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u4f20\u8f93\u7684\u4f18\u52bf\uff0c\u52a9\u529b\u5de5\u4e1a\u81ea\u52a8\u5316\u5b9e\u73b0\u667a\u80fd\u5316\u5347\u7ea7\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 LoRa\u7f51\u7edc\u7684\u661f\u578b\u7f51\u7edc\u67b6\u6784\u5982\u4f55\u8bbe\u8ba1<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u7f51\u7edc\u7684\u661f\u578b\u7f51\u7edc\u67b6\u6784\u8bbe\u8ba1\u4e3b\u8981\u7531\u7ec8\u7aef\u8bbe\u5907\u3001\u7f51\u5173(\u6216\u79f0\u57fa\u7ad9)\u3001\u7f51\u7edc\u670d\u52a1\u5668\u4ee5\u53ca\u5e94\u7528\u670d\u52a1\u5668\u7ec4\u6210\u3002\u8fd9\u79cd\u67b6\u6784\u662f\u5178\u578b\u7684\u661f\u5f62\u62d3\u6251\u7ed3\u6784\uff0c\u5176\u4e2dLoRa\u7f51\u5173\u4f5c\u4e3a\u900f\u660e\u4f20\u8f93\u7684\u4e2d\u7ee7\uff0c\u8fde\u63a5\u7ec8\u7aef\u8bbe\u5907\u548c\u540e\u7aef\u4e2d\u592e\u670d\u52a1\u5668\u3002\u7ec8\u7aef\u8bbe\u5907\u91c7\u7528\u5355\u8df3\u4e0e\u4e00\u4e2a\u6216\u591a\u4e2a\u7f51\u5173\u901a\u4fe1\uff0c\u800c\u7f51\u5173\u5219\u8fde\u63a5\u5230\u4e2d\u592e\u7f51\u7edc\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u7f51\u7edc\u652f\u6301\u5927\u89c4\u6a21\u8bbe\u5907\u8fde\u63a5\u7684\u5173\u952e\u5728\u4e8e\u5176\u8bbe\u8ba1\u548c\u534f\u8bae\u3002LoRa\u6280\u672f\u652f\u6301\u5927\u91cf\u8bbe\u5907\u7684\u8fde\u63a5\uff0c\u53ef\u4ee5\u5b9e\u73b0\u6570\u5343\u4e2a\u8bbe\u5907\u540c\u65f6\u8fde\u63a5\u5230\u4e00\u4e2a\u57fa\u7ad9\u6216\u7f51\u5173\u3002\u8fd9\u79cd\u8bbe\u8ba1\u4f7f\u5f97LoRa\u5728\u5927\u89c4\u6a21\u7269\u8054\u7f51\u573a\u666f\u4e0b\u5177\u6709\u4f18\u52bf\uff0c\u80fd\u591f\u6ee1\u8db3\u5927\u89c4\u6a21\u8fde\u63a5\u7684\u9700\u6c42\u3002\u5355\u4e2aLoRa\u7f51\u5173\u53ef\u4ee5\u652f\u6301\u6570\u5343\u53f0\u8bbe\u5907\uff0c\u8fd9\u6ee1\u8db3\u4e86\u7269\u8054\u7f51\u5927\u89c4\u6a21\u8fde\u63a5\u7684\u9700\u6c42\u3002LoRa\u7f51\u7edc\u7684\u661f\u578b\u67b6\u6784\u901a\u8fc7\u4f7f\u7528\u591a\u4e2a\u6536\u53d1\u5668\u548c\u4fe1\u9053\uff0c\u53ef\u4ee5\u540c\u65f6\u89e3\u8c03\u591a\u4e2a\u4fe1\u9053\u6216\u751a\u81f3\u5728\u540c\u4e00\u4fe1\u9053\u4e0a\u540c\u65f6\u89e3\u8c03\u591a\u4e2a\u4fe1\u53f7\uff0c\u4ece\u800c\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0cLoRa\u7f51\u7edc\u7684\u661f\u578b\u67b6\u6784\u8fd8\u901a\u8fc7\u81ea\u9002\u5e94\u6570\u636e\u901f\u7387(ADR)\u7b97\u6cd5\u6765\u7ba1\u7406\u6bcf\u4e2a\u7ec8\u7aef\u8bbe\u5907\u7684\u4fe1\u53f7\u548c\u65e0\u7ebf\u7535\u4fe1\u53f7\uff0c\u786e\u4fdd\u6700\u4f73\u7684\u6570\u636e\u901f\u7387\u548c\u7f51\u7edc\u6027\u80fd\u3002ADR\u7b97\u6cd5\u786e\u4fdd\u56fa\u5b9a\u7aef\u70b9\u4f7f\u7528\u56fa\u5b9a\u6570\u636e\u901f\u7387\u6216\u6269\u5c55\u56e0\u5b50\u6765\u7ba1\u7406\u79fb\u52a8\u7aef\u70b9\u7684\u6d41\u91cf\uff0c\u4ece\u800c\u4f18\u5316\u7f51\u7edc\u6027\u80fd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 LoRa\u6280\u672f\u652f\u6301\u7684\u4e0d\u540c\u9891\u6bb5\u6709\u54ea\u4e9b<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u652f\u6301\u591a\u4e2a\u9891\u6bb5\uff0c\u5177\u4f53\u9891\u6bb5\u7684\u4f7f\u7528\u53d6\u51b3\u4e8e\u5730\u7406\u4f4d\u7f6e\u548c\u5e94\u7528\u573a\u666f\u3002LoRa\u4e3b\u8981\u5728\u4ee5\u4e0b\u51e0\u4e2a\u9891\u6bb5\u4e2d\u8fd0\u884c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>433MHz<\/strong>\uff1a\u8fd9\u662f\u4e00\u4e2a\u5168\u7403\u514d\u8d39\u9891\u6bb5\uff0c\u9002\u7528\u4e8e\u90e8\u5206\u6b27\u6d32\u56fd\u5bb6\u6216\u5730\u533a\u3002\u6b64\u5916\uff0c433MHz\u9891\u6bb5\u5728\u6b27\u6d32\u3001\u4e9a\u6d32\u548c\u6fb3\u5927\u5229\u4e9a\u4e5f\u88ab\u5e7f\u6cdb\u4f7f\u7528\uff0c\u4f20\u8f93\u529f\u7387\u8f83\u4f4e\uff0c\u9002\u7528\u4e8e\u529f\u8017\u8981\u6c42\u9ad8\u7684\u5e94\u7528\u5982\u667a\u80fd\u7535\u8868\u3001\u519c\u4e1a\u548c\u73af\u5883\u76d1\u6d4b\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>868MHz<\/strong>\uff1a\u8fd9\u662f\u6b27\u6d32\u5730\u533a\u6700\u5e38\u7528\u7684LoRa\u9891\u6bb5\uff0c\u7279\u522b\u662f\u5728\u5fb7\u56fd\u3001\u6cd5\u56fd\u3001\u610f\u5927\u5229\u7b49\u56fd\u5bb6\u6216\u5730\u533a\u3002868MHz\u4e5f\u662f\u6b27\u6d32\u7684ISM\u9891\u6bb5\uff0c\u5e38\u7528\u4e8eLoRa\u901a\u4fe1\uff0c\u5b9e\u73b0\u957f\u8ddd\u79bb\u901a\u4fe1\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>915MHz<\/strong>\uff1a\u8fd9\u4e2a\u9891\u6bb5\u5728\u7f8e\u56fd\u5e7f\u6cdb\u4f7f\u7528\u3002915MHz\u662f\u7f8e\u56fdISM\u9891\u6bb5\uff0c\u5e38\u7528\u4e8eLoRa\u901a\u4fe1\u6280\u672f\uff0c\u80fd\u5b9e\u73b0\u957f\u901a\u4fe1\u8ddd\u79bb\u548c\u9ad8\u4f20\u8f93\u901f\u7387\uff0c\u9002\u7528\u4e8e\u667a\u80fd\u57ce\u5e02\u3001\u7269\u6d41\u8ffd\u8e2a\u53ca\u8fdc\u7a0b\u76d1\u63a7\u7b49\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>470-510MHz<\/strong>\uff1a\u5728\u4e2d\u56fd\u5e02\u573a\uff0c\u7531\u4e2d\u5174\u4e3b\u5bfc\u7684\u4e2d\u56fdLoRa\u5e94\u7528\u8054\u76df(CLAA)\u63a8\u8350\u4f7f\u7528\u4e86470-518MHz\u3002\u7136\u800c\uff0c\u8fd9\u4e2a\u9891\u6bb5\u4f1a\u4e0e\u5e7f\u7535\u7684\u9891\u6bb5\u51b2\u7a81\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>430MHz<\/strong>\uff1a\u5728\u4e9a\u6d32\uff0cLoRa\u4f7f\u7528430MHz\u9891\u6bb5\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>920-923MHz<\/strong>\uff1a\u5728\u65e5\u672c\uff0cLoRaWAN\u4f7f\u7528920-923 MHz\u9891\u6bb5\uff0c\u63d0\u4f9b125 kHz\u3001250 kHz\u6216500 kHz\u5e26\u5bbd\u9009\u9879\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>2.4GHz\u548c\u6388\u6743S\u9891\u6bb5<\/strong>\uff1aLoRa\u8fd8\u652f\u6301\u591a\u9891\u6bb5\u6536\u53d1\u901a\u4fe1\u529f\u80fd\uff0c\u5305\u62ecsub-GHz\u30012.4GHz\u548c\u7528\u4e8e\u536b\u661f\u901a\u4fe1\u7684\u6388\u6743S\u9891\u6bb5\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u8fd9\u4e9b\u9891\u6bb5\u5728\u4e0d\u540c\u56fd\u5bb6\/\u5730\u533a\u7684\u5e94\u7528\u60c5\u51b5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u7f8e\u56fd<\/strong>\uff1a\u4e3b\u8981\u4f7f\u7528915MHz\u9891\u6bb5\uff0c\u9002\u7528\u4e8e\u667a\u80fd\u57ce\u5e02\u3001\u7269\u6d41\u8ffd\u8e2a\u53ca\u8fdc\u7a0b\u76d1\u63a7\u7b49\u5e94\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6b27\u6d32<\/strong>\uff1a\u4e3b\u8981\u4f7f\u7528868MHz\u548c433MHz\u9891\u6bb5\uff0c\u9002\u7528\u4e8e\u957f\u8ddd\u79bb\u901a\u4fe1\u548c\u529f\u8017\u8981\u6c42\u9ad8\u7684\u5e94\u7528\u5982\u667a\u80fd\u7535\u8868\u3001\u519c\u4e1a\u548c\u73af\u5883\u76d1\u6d4b\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4e2d\u56fd<\/strong>\uff1a\u4e3b\u8981\u4f7f\u7528470-518MHz\u9891\u6bb5\uff0c\u4f46\u4f1a\u4e0e\u5e7f\u7535\u7684\u9891\u6bb5\u51b2\u7a81\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4e9a\u6d32<\/strong>\uff1a\u4f7f\u7528430MHz\u9891\u6bb5\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u65e5\u672c<\/strong>\uff1a\u4f7f\u7528920-923 MHz\u9891\u6bb5\uff0c\u63d0\u4f9b\u591a\u79cd\u5e26\u5bbd\u9009\u9879\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 LoRa\u6280\u672f\u7684\u4f4e\u529f\u8017\u7279\u6027<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u7684\u4f4e\u529f\u8017\u7279\u6027\u4e3b\u8981\u901a\u8fc7\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u5b9e\u73b0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1aLoRa\u6280\u672f\u91c7\u7528\u4e86\u4f4e\u529f\u8017\u7684\u8c03\u5236\u65b9\u5f0f\uff0c\u4f7f\u5f97\u8bbe\u5907\u53ef\u4ee5\u4f7f\u7528\u66f4\u5c0f\u5bb9\u91cf\u7684\u7535\u6c60\uff0c\u5e76\u5ef6\u957f\u7535\u6c60\u5bff\u547d\uff0c\u4ece\u800c\u964d\u4f4e\u7ef4\u62a4\u6210\u672c\u3002\u4f8b\u5982\uff0cLoRa\u7684\u5de5\u4f5c\u7535\u6d41\u4ec5\u4e3a10mA\uff0c\u5f85\u673a\u7535\u6d41\u4e3a200nA\uff0c\u8fd9\u4f7f\u5f97\u5176\u5728\u957f\u671f\u8fd0\u884c\u4e2d\u80fd\u591f\u4fdd\u6301\u6781\u4f4e\u7684\u529f\u8017\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f4e\u529f\u8017\u5143\u5668\u4ef6<\/strong>\uff1a\u5728\u8bbe\u8ba1LoRa-IoT\u5f00\u53d1\u677f\u65f6\uff0c\u9009\u578b\u65f6\u91c7\u7528\u4f4e\u529f\u8017\u5143\u5668\u4ef6\uff0c\u4ee5\u786e\u4fdd\u8bbe\u5907\u5728\u7535\u6c60\u4f9b\u7535\u7684\u60c5\u51b5\u4e0b\u80fd\u591f\u957f\u671f\u8fd0\u884c\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b\u5668\uff08CAD\uff09<\/strong>&nbsp;\uff1aLoRa\u4f7f\u7528\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b\u5668(CAD)\u6765\u68c0\u6d4b\u4fe1\u53f7\u7684\u5b58\u5728\uff0c\u8fd9\u6bd4RSSI\u65b9\u6cd5\u66f4\u5feb\u3001\u66f4\u53ef\u9760\u3002\u901a\u8fc7\u63d0\u9ad8\u5929\u7ebf\u589e\u76ca\u548c\u9ad8\u5ea6\u3001\u589e\u52a0\u53d1\u5c04\u529f\u7387\u3001\u6539\u5584\u63a5\u6536\u7075\u654f\u5ea6\u4ee5\u53ca\u9009\u62e9\u66f4\u9ad8\u7684\u7cfb\u7edf\u9891\u7387\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u6269\u5927\u901a\u4fe1\u8303\u56f4\uff0c\u4ece\u800c\u663e\u8457\u5ef6\u957f\u7535\u6c60\u5bff\u547d\u5e76\u63d0\u9ad8\u6574\u4f53\u6548\u7387\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u5bf9\u7535\u6c60\u4f9b\u7535\u8bbe\u5907\u7684\u5f71\u54cd\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5ef6\u957f\u7535\u6c60\u5bff\u547d<\/strong>\uff1a\u7531\u4e8eLoRa\u6280\u672f\u7684\u4f4e\u529f\u8017\u8bbe\u8ba1\uff0c\u8bbe\u5907\u53ef\u4ee5\u5728\u7535\u6c60\u4f9b\u7535\u7684\u60c5\u51b5\u4e0b\u957f\u671f\u8fd0\u884c\uff0c\u51cf\u5c11\u4e86\u66f4\u6362\u7535\u6c60\u7684\u9891\u7387\uff0c\u964d\u4f4e\u4e86\u7ef4\u62a4\u6210\u672c\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u51cf\u5c11\u540e\u671f\u7ef4\u62a4\u64cd\u4f5c<\/strong>\uff1a\u4f4e\u529f\u8017\u7279\u6027\u610f\u5473\u7740\u8bbe\u5907\u5de5\u4f5c\u65f6\u95f4\u66f4\u957f\uff0c\u51cf\u5c11\u4e86\u540e\u671f\u7ef4\u62a4\u64cd\u4f5c\u7684\u9700\u8981\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u589e\u52a0\u4ea7\u54c1\u7684\u4f7f\u7528\u5bff\u547d<\/strong>\uff1a\u4f4e\u529f\u8017\u8bbe\u8ba1\u6709\u52a9\u4e8e\u4fdd\u5b58\u80fd\u91cf\u548c\u51cf\u5c11\u70ed\u91cf\uff0c\u4ece\u800c\u589e\u52a0\u4ea7\u54c1\u7684\u4f7f\u7528\u5bff\u547d\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4e0d\u5145\u753510\u5e74\u7684\u4f7f\u7528\u5bff\u547d<\/strong>\uff1a\u67d0\u4e9b\u57fa\u4e8eLoRa\u6280\u672f\u7684\u8bbe\u5907\u8bbe\u8ba1\u76ee\u6807\u662f\u4e0d\u5145\u753510\u5e74\u7684\u4f7f\u7528\u5bff\u547d\uff0c\u8fd9\u8fdb\u4e00\u6b65\u4f53\u73b0\u4e86\u5176\u4f4e\u529f\u8017\u7279\u6027\u5bf9\u7535\u6c60\u4f9b\u7535\u8bbe\u5907\u7684\u79ef\u6781\u5f71\u54cd\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>LoRa(Long Range)\u662f\u4e00\u79cd\u7531Semtech\u516c\u53f8\u5f00\u53d1\u7684\u4f4e\u529f\u8017\u5e7f\u57df\u7f51(LPWAN)\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0c\u5176\u540d\u79f0\u6765\u6e90\u4e8e\u201cLong Range Radio\u201d\u3002LoRa\u6280\u672f\u7684\u6838\u5fc3\u5728\u4e8e\u5176\u6269\u9891\u8c03\u5236\u6280\u672f<\/p>\n","protected":false},"author":1,"featured_media":95849,"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-97360","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/97360"}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=97360"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/97360\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/95849"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=97360"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=97360"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=97360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}