{"id":98692,"date":"2024-10-31T15:03:07","date_gmt":"2024-10-31T07:03:07","guid":{"rendered":"\/\/www.viralrail.com\/?p=98692"},"modified":"2024-10-31T15:03:14","modified_gmt":"2024-10-31T07:03:14","slug":"xxtpkpjsynx","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/98692.html","title":{"rendered":"\u7ebf\u6027\u8c03\u9891\u6269\u9891\u6280\u672f\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"\n<p>\u3000\u3000<strong>\u7ebf\u6027\u8c03\u9891\u6269\u9891\u6280\u672f(Chirp Spread Spectrum\uff0cCSS)<\/strong>\uff0c\u4e5f\u79f0\u4e3a\u5541\u557e\u6269\u9891\uff0c\u662f\u4e00\u79cd\u5728\u6570\u5b57\u901a\u4fe1\u4e2d\u5e7f\u6cdb\u4f7f\u7528\u7684\u6269\u9891\u6280\u672f\u3002\u5176\u4e3b\u8981\u7279\u70b9\u662f\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0c\u4fe1\u53f7\u7684\u9891\u7387\u968f\u65f6\u95f4\u7ebf\u6027\u53d8\u5316\uff0c\u4ece\u800c\u6269\u5c55\u4fe1\u53f7\u7684\u9891\u5e26\u5bbd\u5ea6\u3002\u8fd9\u79cd\u6280\u672f\u80fd\u591f\u63d0\u5347\u65e0\u7ebf\u901a\u4fe1\u7684\u6027\u80fd\u548c\u8ddd\u79bb\uff0c\u5b9e\u73b0\u6bd4\u4f20\u7edfFSK\u66f4\u9ad8\u7684\u4f20\u8f93\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7ebf\u6027\u8c03\u9891\u6269\u9891\u6280\u672f\u7684\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\uff0c\u7279\u522b\u662f\u5728\u7269\u8054\u7f51(IoT)\u9886\u57df\uff0c\u5982LoRa\u6280\u672f\u5c31\u662f\u57fa\u4e8e\u7ebf\u6027\u8c03\u9891\u6269\u9891\u8c03\u5236\u7684\u3002LoRa\u6280\u672f\u56e0\u5176\u4f4e\u529f\u8017\u3001\u957f\u8ddd\u79bb\u4f20\u8f93\u548c\u7075\u6d3b\u7ec4\u7f51\u7684\u7279\u70b9\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u7269\u8054\u7f51\u5782\u76f4\u884c\u4e1a\u4e2d\u3002\u6b64\u5916\uff0c\u7ebf\u6027\u8c03\u9891\u6269\u9891\u6280\u672f\u4e5f\u88ab\u7528\u4e8e\u96f7\u8fbe\u548c\u6fc0\u5149\u96f7\u8fbe\u7684\u8ddd\u79bb\u548c\u901f\u5ea6\u6d4b\u91cf\u4e2d\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u7efc\u5408\u8fde\u7eed\u6ce2\u5f62\u548c\u8109\u51b2\u6ce2\u5f62\u7684\u4f18\u52bf\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7ebf\u6027\u8c03\u9891\u6269\u9891\u6280\u672f\u7684\u57fa\u672c\u539f\u7406\u662f\u5229\u7528\u9891\u7387\u968f\u65f6\u95f4\u7ebf\u6027\u53d8\u5316\u7684\u6b63\u5f26\u8109\u51b2\u4fe1\u53f7\u6765\u4f20\u8f93\u4fe1\u606f\uff0c\u901a\u8fc7\u6539\u53d8\u4fe1\u53f7\u7684\u9891\u7387\u6765\u6269\u5c55\u4fe1\u53f7\u7684\u5e26\u5bbd\u3002\u8fd9\u79cd\u6280\u672f\u5728\u6297\u5e72\u6270\u80fd\u529b\u65b9\u9762\u8868\u73b0\u51fa\u8272\uff0c\u7279\u522b\u662f\u5728\u9762\u5bf9\u591a\u666e\u52d2\u6548\u5e94\u548c\u591a\u5f84\u5e72\u6270\u65f6\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7ebf\u6027\u8c03\u9891\u6269\u9891\u6280\u672f\u662f\u4e00\u79cd\u91cd\u8981\u7684\u6269\u9891\u901a\u4fe1\u6280\u672f\uff0c\u5177\u6709\u6269\u5c55\u9891\u8c31\u3001\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u548c\u589e\u5f3a\u901a\u4fe1\u8ddd\u79bb\u7b49\u4f18\u70b9\uff0c\u56e0\u6b64\u5728\u73b0\u4ee3\u901a\u4fe1\u7cfb\u7edf\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 \u7ebf\u6027\u8c03\u9891\u6269\u9891\u6280\u672f\u5728\u7269\u8054\u7f51(IoT)\u9886\u57df\u7684\u5177\u4f53\u5e94\u7528\u6848\u4f8b\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n<p>\u3000\u3000\u7ebf\u6027\u8c03\u9891\u6269\u9891\u6280\u672f(CSS)\u5728\u7269\u8054\u7f51(IoT)\u9886\u57df\u7684\u5177\u4f53\u5e94\u7528\u6848\u4f8b\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5de5\u4e1a\u7269\u8054\u7f51<\/strong>\uff1aChirpIoT\u2122\u6280\u672f\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u7269\u8054\u7f51\u4e2d\uff0c\u7528\u4e8e\u8bbe\u5907\u76d1\u63a7\u3001\u8d44\u4ea7\u8ddf\u8e2a\u548c\u73af\u5883\u76d1\u6d4b\u7b49\u573a\u666f\u3002\u5176\u9ad8\u53ef\u9760\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\u4f7f\u5176\u80fd\u591f\u5728\u590d\u6742\u7684\u5de5\u4e1a\u73af\u5883\u4e2d\u7a33\u5b9a\u8fd0\u884c\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u519c\u4e1a\u76d1\u6d4b<\/strong>\uff1aLoRa\u6280\u672f\u5229\u7528\u7ebf\u6027\u8c03\u9891\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u5728\u519c\u4e1a\u4e2d\u4e3b\u8981\u7528\u4e8e\u76d1\u6d4b\u4f5c\u7269\u751f\u957f\u72b6\u51b5\u3001\u571f\u58e4\u6e7f\u5ea6\u548c\u6c14\u8c61\u6761\u4ef6\u7b49\u3002\u8fd9\u79cd\u6280\u672f\u80fd\u591f\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u7684\u6570\u636e\u4f20\u8f93\uff0c\u975e\u5e38\u9002\u5408\u519c\u4e1a\u7269\u8054\u7f51\u7684\u5e94\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u975e\u8702\u7a9d\u5e7f\u57df\u7f51\u7edc<\/strong>\uff1aCSS\u6280\u672f\u88ab\u5e94\u7528\u4e8e\u975e\u8702\u7a9d\u5e7f\u57df\u7f51\u7edc\u4e2d\uff0c\u4f8b\u5982\u5fb7\u56fdNanotron\u516c\u53f8\u4f7f\u7528CSS\u6280\u672f\u57282.4GHz\u9891\u6bb5\u4e0a\u5b9e\u73b0\u4e86570\u7c73\u7684\u8ddd\u79bb\u901a\u4fe1\uff0c\u800c\u7f8e\u56fdSemtech\u516c\u53f8\u7684LoRa\u4ea7\u54c1\u5219\u5728Sub-1GHz\u9891\u6bb5\u4e0a\u5b9e\u73b0\u4e86\u51e0\u516c\u91cc\u751a\u81f3\u51e0\u5341\u516c\u91cc\u7684\u8ddd\u79bb\u901a\u4fe1\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRa\u6280\u672f\u4e0e\u7ebf\u6027\u8c03\u9891\u6269\u9891\u6280\u672f\u4e4b\u95f4\u7684\u5173\u7cfb\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u4e0e\u7ebf\u6027\u8c03\u9891\u6269\u9891\u6280\u672f\u4e4b\u95f4\u7684\u5173\u7cfb\u975e\u5e38\u7d27\u5bc6\u3002LoRa(Long Range\uff0c\u8fdc\u8ddd\u79bb\u65e0\u7ebf\u7535)\u662f\u4e00\u79cd\u57fa\u4e8e\u7ebf\u6027\u8c03\u9891\u6269\u9891(Chirp Spread Spectrum\uff0cCSS)\u8c03\u5236\u6280\u672f\u7684\u65e0\u7ebf\u901a\u4fe1\u65b9\u6848\u3002\u8fd9\u79cd\u8c03\u5236\u6280\u672f\u7684\u6838\u5fc3\u662f\u4f7f\u7528\u7ebf\u6027\u8c03\u9891\u4fe1\u53f7(Chirp\u4fe1\u53f7)\uff0c\u901a\u8fc7\u5bf9\u8be5\u4fe1\u53f7\u8fdb\u884c\u5faa\u73af\u79fb\u4f4d\u6765\u5b9e\u73b0\u6269\u9891\u8c03\u5236\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0cLoRa\u6280\u672f\u5229\u7528\u7ebf\u6027\u8c03\u9891\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u4fdd\u6301\u4e86\u7c7b\u4f3cFSK(\u9891\u79fb\u952e\u63a7)\u8c03\u5236\u7684\u4f4e\u529f\u8017\u7279\u6027\uff0c\u540c\u65f6\u663e\u8457\u589e\u52a0\u4e86\u901a\u4fe1\u8ddd\u79bb\u3002\u8fd9\u79cd\u6280\u672f\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u63a5\u6536\u7075\u654f\u5ea6\u548c\u4fe1\u566a\u6bd4\uff0c\u8fd8\u589e\u5f3a\u4e86\u7f51\u7edc\u6548\u7387\u5e76\u6d88\u9664\u4e86\u5e72\u6270\uff0c\u4f7f\u5f97\u4e0d\u540c\u6269\u9891\u5e8f\u5217\u7684\u7ec8\u7aef\u5373\u4f7f\u5728\u76f8\u540c\u9891\u7387\u4e0b\u540c\u65f6\u53d1\u9001\u4e5f\u4e0d\u4f1a\u76f8\u4e92\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0cLoRa\u6280\u672f\u5728\u4f4e\u901f\u7387\u4f20\u8f93\u6761\u4ef6\u4e0b\u80fd\u591f\u8986\u76d6\u957f\u8fbe15\u516c\u91cc\u7684\u65e0\u7ebf\u8303\u56f4\uff0c\u5e76\u4e14\u5177\u6709\u826f\u597d\u7684\u9c81\u68d2\u6027\u548c\u6297\u591a\u666e\u52d2\u9891\u79fb\u7684\u80fd\u529b\u3002\u8fd9\u4e9b\u7279\u6027\u4f7f\u5f97LoRa\u975e\u5e38\u9002\u5408\u7528\u4e8e\u7269\u8054\u7f51\u9886\u57df\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u3001\u5927\u5bb9\u91cf\u7684\u7cfb\u7edf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u7ebf\u6027\u8c03\u9891\u6269\u9891\u6280\u672f\u5982\u4f55\u63d0\u9ad8\u65e0\u7ebf\u901a\u4fe1\u7684\u6297\u5e72\u6270\u80fd\u529b?<\/h2>\n\n\n\n<p>\u3000\u3000\u7ebf\u6027\u8c03\u9891\u6269\u9891\u6280\u672f(CSS)\u901a\u8fc7\u6539\u53d8\u4fe1\u53f7\u7684\u9891\u7387\u6765\u6269\u5c55\u4fe1\u53f7\u5e26\u5bbd\uff0c\u4ece\u800c\u63d0\u9ad8\u65e0\u7ebf\u901a\u4fe1\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u53ef\u9760\u6027\u3002\u8fd9\u79cd\u6280\u672f\u4f7f\u5f97\u4fe1\u53f7\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u5360\u7528\u66f4\u5bbd\u7684\u9891\u5e26\uff0c\u964d\u4f4e\u4e86\u5355\u4f4d\u9891\u5e26\u5185\u7684\u529f\u7387\u5bc6\u5ea6\uff0c\u4ece\u800c\u51cf\u5c11\u4e86\u5e72\u6270\u4fe1\u53f7\u5bf9\u4fe1\u53f7\u7684\u5f71\u54cd\u3002\u6b64\u5916\uff0c\u6269\u9891\u6280\u672f\u53ef\u4ee5\u964d\u4f4e\u5bf9\u4fe1\u566a\u6bd4\u7684\u8981\u6c42\uff0c\u56e0\u4e3a\u5f53\u4f20\u8f93\u901f\u7387\u4e00\u5b9a\u65f6\uff0c\u52a0\u5927\u4fe1\u53f7\u5e26\u5bbd\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u6297\u5e72\u6270\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u662f\u7ebf\u6027\u8c03\u9891\u6269\u9891\u6280\u672f\u7684\u4e00\u4e2a\u5e94\u7528\u5b9e\u4f8b\uff0c\u5b83\u5229\u7528\u5bbd\u5e26\u73b0\u8c61\u8c03\u9891\u6280\u672f\uff0c\u5728\u76f8\u540c\u7684\u529f\u8017\u4e0b\u5177\u6709\u66f4\u957f\u7684\u4f20\u8f93\u8ddd\u79bb\u548c\u66f4\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002LoRa\u8bbe\u5907\u5728\u4f4e\u529f\u8017\u6a21\u5f0f\u4e0b\u53ef\u4ee5\u957f\u65f6\u95f4\u5de5\u4f5c\uff0c\u540c\u65f6\u4fdd\u6301\u8f83\u9ad8\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002\u8fd9\u79cd\u6280\u672f\u901a\u8fc7\u7ebf\u6027\u8c03\u9891\u8fde\u7eed\u6ce2(Linear Frequency Chirp)\u7684\u65b9\u5f0f\uff0c\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6269\u9891\u8c03\u5236\u89e3\u8c03\u6280\u672f\u901a\u8fc7\u6269\u5c55\u4fe1\u53f7\u9891\u8c31\uff0c\u964d\u4f4e\u4e86\u5e72\u6270\u4fe1\u53f7\u548c\u566a\u58f0\u7684\u8c31\u5bc6\u5ea6\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002LoRa\u7269\u7406\u5c42\u4f7f\u7528\u6269\u9891\u8c03\u5236\u548c\u6b63\u5411\u9519\u8bef\u66f4\u6b63\u6280\u672f\uff0c\u589e\u52a0\u4e86\u65e0\u7ebf\u7535\u901a\u4fe1\u7684\u8303\u56f4\u548c\u9c81\u68d2\u6027\u3002\u4f18\u5316LoRa\u8c03\u5236\u53ef\u4ee5\u4e3a\u7279\u5b9a\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u5173\u952e\u7684\u8bbe\u8ba1\u53c2\u6570\uff0c\u5141\u8bb8\u5728\u94fe\u8def\u9884\u7b97\u3001\u6297\u5e72\u6270\u80fd\u529b\u3001\u9891\u8c31\u5360\u7528\u548c\u540d\u4e49\u6570\u636e\u901f\u7387\u4e4b\u95f4\u8fdb\u884c\u6743\u8861\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 \u5728\u96f7\u8fbe\u548c\u6fc0\u5149\u96f7\u8fbe\u7cfb\u7edf\u4e2d\uff0c\u7ebf\u6027\u8c03\u9891\u6269\u9891\u6280\u672f\u662f\u5982\u4f55\u5b9e\u73b0\u8ddd\u79bb\u548c\u901f\u5ea6\u6d4b\u91cf\u7684?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u96f7\u8fbe\u548c\u6fc0\u5149\u96f7\u8fbe\u7cfb\u7edf\u4e2d\uff0c\u7ebf\u6027\u8c03\u9891\u6269\u9891\u6280\u672f(FMCW)\u901a\u8fc7\u53d1\u5c04\u9891\u7387\u7ebf\u6027\u53d8\u5316\u7684\u4fe1\u53f7\u6765\u5b9e\u73b0\u8ddd\u79bb\u548c\u901f\u5ea6\u7684\u6d4b\u91cf\u3002\u5177\u4f53\u6765\u8bf4\uff1a<\/p>\n\n\n\n<h3 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