{"id":98233,"date":"2024-10-12T11:53:55","date_gmt":"2024-10-12T03:53:55","guid":{"rendered":"\/\/www.viralrail.com\/?p=98233"},"modified":"2024-10-12T11:54:00","modified_gmt":"2024-10-12T03:54:00","slug":"lxhtzfsssm","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/98233.html","title":{"rendered":"LoRa\u4fe1\u53f7\u8c03\u5236\u65b9\u5f0f\u662f\u4ec0\u4e48"},"content":{"rendered":"\n

\u3000\u3000LoRa\u4fe1\u53f7\u8c03\u5236\u65b9\u5f0f<\/strong>\u4e3b\u8981\u91c7\u7528\u4e86Chirp Spread Spectrum(CSS)\u6269\u9891\u8c03\u5236\u6280\u672f\u3002\u8fd9\u79cd\u8c03\u5236\u65b9\u5f0f\u901a\u8fc7\u6539\u53d8\u4fe1\u53f7\u9891\u7387\u7684\u7ebf\u6027\u53d8\u5316\u6765\u8868\u793a\u4fe1\u606f\uff0c\u5177\u6709\u6297\u591a\u5f84\u5e72\u6270\u548c\u6297\u566a\u58f0\u7684\u4f18\u52bf\uff0c\u9002\u7528\u4e8e\u590d\u6742\u7684\u65e0\u7ebf\u73af\u5883\u3002LoRa\u6280\u672f\u901a\u8fc7\u6269\u9891\u8c03\u5236\uff0c\u5c06\u7a84\u5e26\u4fe1\u53f7\u4f20\u64ad\u5230\u66f4\u5bbd\u7684\u4fe1\u9053\u5e26\u5bbd\u4e0a\uff0c\u4ece\u800c\u5b9e\u73b0\u957f\u8ddd\u79bb\u901a\u4fe1\u3002\u6b64\u5916\uff0cLoRa<\/a><\/strong>\u8fd8\u7ed3\u5408\u4e86\u9891\u79fb\u952e\u63a7(FSK<\/a>)\u8c03\u5236\u6280\u672f\uff0c\u901a\u8fc7\u6b63\u4ea4\u8c03\u5236\u65b9\u6cd5\u548c\u6269\u9891\u6280\u672f\u5b9e\u73b0\u4e86\u957f\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u7684\u65e0\u7ebf\u4f20\u8f93\u3002\u8fd9\u79cd\u8c03\u5236\u65b9\u5f0f\u7279\u522b\u9002\u5408\u4e8e\u9700\u8981\u8fdc\u8ddd\u79bb\u901a\u4fe1\u548c\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u7269\u8054\u7f51\u3001\u667a\u80fd\u57ce\u5e02\u7b49\u9886\u57df\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 LoRa\u4fe1\u53f7\u8c03\u5236\u65b9\u5f0f\u4e2dChirp Spread Spectrum(CSS)\u6269\u9891\u8c03\u5236\u6280\u672f\u7684\u5177\u4f53\u5de5\u4f5c\u539f\u7406<\/h2>\n\n\n\n

\u3000\u3000LoRa\u4fe1\u53f7\u8c03\u5236\u65b9\u5f0f<\/a>\u4e2d\u7684Chirp Spread Spectrum(CSS)\u6269\u9891\u8c03\u5236\u6280\u672f\u662f\u4e00\u79cd\u901a\u8fc7\u7ebf\u6027\u9891\u7387\u8c03\u5236(LFM)\u6765\u5b9e\u73b0\u7684\u6269\u9891\u6280\u672f\u3002\u5177\u4f53\u6765\u8bf4\uff0cCSS\u901a\u8fc7\u5f15\u5165\u4e00\u79cd\u79f0\u4e3a\u201c\u5541\u557e\u201d(Chirp)\u7684\u4fe1\u53f7\u6765\u5de5\u4f5c\u3002\u8fd9\u79cd\u5541\u557e\u4fe1\u53f7\u5728\u4fe1\u53f7\u5468\u671f\u5185\u8868\u73b0\u51fa\u7ebf\u6027\u8c03\u9891\u7684\u7279\u6027\uff0c\u5373\u4fe1\u53f7\u9891\u7387\u968f\u65f6\u95f4\u7ebf\u6027\u53d8\u5316\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728CSS\u8c03\u5236<\/a>\u8fc7\u7a0b\u4e2d\uff0c\u6b63\u5f26\u4fe1\u53f7\u88ab\u7528\u6765\u521b\u5efa\u7ebf\u6027\u8c03\u9891\u4fe1\u53f7\uff0c\u7136\u540e\u5c06\u8be5\u4fe1\u53f7\u8c03\u5236\u5230\u8f7d\u6ce2\u9891\u7387\u4e0a\u3002\u901a\u8fc7\u5728\u66f4\u5bbd\u7684\u5e26\u5bbd\u4e0a\u4f20\u64ad\u5541\u557e\u4fe1\u53f7\uff0cLoRa\u80fd\u591f\u5c06\u80fd\u91cf\u5206\u5e03\u5230\u66f4\u5927\u7684\u9891\u7387\u8303\u56f4\u5185\uff0c\u4ece\u800c\u589e\u5f3a\u4e86\u6297\u5e72\u6270\u548c\u6297\u566a\u58f0\u7684\u80fd\u529b\u3002\u6bcf\u4e2a\u7b26\u53f7\u5728CSS\u4e2d\u662f\u4e00\u4e2a\u5541\u557e\u8109\u51b2\uff0c\u8fd9\u4e9b\u8109\u51b2\u53ef\u4ee5\u662f\u4e0a\u5541\u557e(\u9891\u7387\u7ebf\u6027\u589e\u52a0)\u6216\u4e0b\u5541\u557e(\u9891\u7387\u7ebf\u6027\u51cf\u5c11)\uff0c\u7528\u4e8e\u7f16\u7801\u4fe1\u606f\u3002<\/p>\n\n\n\n

\u3000\u3000\u6b64\u5916\uff0cCSS\u6280\u672f\u8fd8\u7ed3\u5408\u4e86\u4e0d\u540c\u7684\u521d\u59cb\u9891\u7387\u4f5c\u4e3a\u626b\u63cf\u8d77\u59cb\u9891\u7387\uff0c\u5e76\u5728\u6574\u4e2a\u7b26\u53f7\u8c03\u5236\u65f6\u95f4\u5185\u5b8c\u6210\u9891\u7387\u7684\u53d8\u5316\uff0c\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u7f16\u7801\u548c\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 LoRa\u6280\u672f\u5982\u4f55\u7ed3\u5408\u9891\u79fb\u952e\u63a7(FSK)\u8c03\u5236\u6280\u672f\u5b9e\u73b0\u957f\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u7684\u65e0\u7ebf\u4f20\u8f93?<\/h2>\n\n\n\n

\u3000\u3000LoRa\u6280\u672f\u901a\u8fc7\u7ed3\u5408\u9891\u79fb\u952e\u63a7(FSK)\u8c03\u5236\u6280\u672f\u548c\u7ebf\u6027\u8c03\u9891\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u5b9e\u73b0\u4e86\u957f\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u7684\u65e0\u7ebf\u4f20\u8f93\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u5b9e\u73b0\u65b9\u5f0f\u7684\u8be6\u7ec6\u89e3\u91ca\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u9891\u79fb\u952e\u63a7\uff08FSK\uff09\u8c03\u5236\u6280\u672f<\/strong>\uff1aFSK\u662f\u4e00\u79cd\u65e9\u671f\u7684\u8c03\u5236\u65b9\u5f0f\uff0c\u901a\u8fc7\u6539\u53d8\u4fe1\u53f7\u7684\u9891\u7387\u6765\u4f20\u8f93\u6570\u636e\u3002\u5b83\u5177\u6709\u4f4e\u529f\u8017\u7684\u7279\u70b9\uff0c\u56e0\u4e3a\u5176\u4fe1\u53f7\u529f\u7387\u9700\u6c42\u8f83\u4f4e\uff0c\u901a\u5e38\u53ea\u9700\u89818-10dB\u7684\u4fe1\u53f7\u529f\u7387\u5373\u53ef\u6b63\u5e38\u5de5\u4f5c\u3002\u8fd9\u79cd\u4f4e\u529f\u8017\u7279\u6027\u4f7f\u5f97FSK\u6210\u4e3a\u8bb8\u591a\u4f20\u7edf\u65e0\u7ebf\u7cfb\u7edf\u7684\u9009\u62e9\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u7ebf\u6027\u8c03\u9891\u6269\u9891\u8c03\u5236\u6280\u672f<\/strong>\uff1aLoRa\u6280\u672f\u91c7\u7528\u4e86\u7ebf\u6027\u8c03\u9891\u6269\u9891\u8c03\u5236(Chirp Spread Spectrum, CSS)\uff0c\u8fd9\u662f\u4e00\u79cd\u6269\u9891\u6280\u672f\u3002\u6269\u9891\u6280\u672f\u901a\u8fc7\u5c06\u539f\u59cb\u6570\u636e\u4fe1\u53f7\u6269\u5c55\u5230\u66f4\u5bbd\u7684\u9891\u5e26\u4e0a\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u6297\u5e72\u6270\u80fd\u529b\u548c\u901a\u4fe1\u8ddd\u79bb\u3002LoRa\u7684\u7ebf\u6027\u8c03\u9891\u6269\u9891\u8c03\u5236\u4e0d\u4ec5\u5ef6\u7eed\u4e86FSK\u8c03\u5236\u7684\u4f4e\u529f\u8017\u7279\u6027\uff0c\u8fd8\u663e\u8457\u589e\u52a0\u4e86\u901a\u4fe1\u8303\u56f4\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u589e\u5f3a\u578b\u9891\u9891\u76f8\u79fb\u952e\u63a7\uff08EPFSK\uff09<\/strong> \uff1aLoRa\u8fd8\u91c7\u7528\u4e86\u589e\u5f3a\u578b\u9891\u9891\u76f8\u79fb\u952e\u63a7(EPFSK)\u6280\u672f\uff0c\u8fd9\u79cd\u6280\u672f\u8fdb\u4e00\u6b65\u4f18\u5316\u4e86\u4fe1\u53f7\u7684\u4f20\u8f93\u6548\u7387\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002EPFSK\u4f7f\u5f97\u4fe1\u53f7\u80fd\u591f\u7a7f\u900f\u969c\u788d\u7269\u5e76\u4ee5\u8f83\u4f4e\u7684\u529f\u8017\u5b9e\u73b0\u957f\u8ddd\u79bb\u4f20\u8f93\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u591a\u8bbe\u5907\u901a\u4fe1\u539f\u7406<\/strong>\uff1aLoRa\u6280\u672f\u5728\u591a\u8bbe\u5907\u901a\u4fe1\u4e2d\u4e5f\u5229\u7528\u4e86FSK\u548c\u6269\u9891\u6280\u672f\u3002\u901a\u8fc7\u8fd9\u4e9b\u6280\u672f\uff0cLoRa\u80fd\u591f\u5b9e\u73b0\u9ad8\u6548\u7684\u4f4e\u529f\u8017\u901a\u4fe1\uff0c\u5e76\u652f\u6301\u5927\u89c4\u6a21\u7269\u8054\u7f51\u8bbe\u5907\u7684\u8fde\u63a5\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000LoRa\u6280\u672f\u901a\u8fc7\u7ed3\u5408FSK\u8c03\u5236\u6280\u672f\u548c\u7ebf\u6027\u8c03\u9891\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u5b9e\u73b0\u4e86\u957f\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u7684\u65e0\u7ebf\u4f20\u8f93\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4e09\u3001 LoRa\u4fe1\u53f7\u8c03\u5236\u65b9\u5f0f\u5728\u6297\u591a\u5f84\u5e72\u6270\u548c\u6297\u566a\u58f0\u65b9\u9762\u7684\u4f18\u52bf<\/h2>\n\n\n\n

    \u3000\u3000LoRa\u4fe1\u53f7\u8c03\u5236\u65b9\u5f0f\u5728\u6297\u591a\u5f84\u5e72\u6270\u548c\u6297\u566a\u58f0\u65b9\u9762\u7684\u4f18\u52bf\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

      \n
    • \u3000\u3000\u6297\u566a\u58f0\u80fd\u529b<\/strong>\uff1aLoRa\u6280\u672f\u5177\u6709\u8d85\u5f3a\u7684\u6297\u566a\u58f0\u80fd\u529b\uff0c\u53ef\u4ee5\u5728\u4f4e\u4e8e\u566a\u58f020dB\u7684\u73af\u5883\u4e0b\u4f9d\u7136\u8fdb\u884c\u901a\u4fe1\u3002\u8fd9\u79cd\u80fd\u529b\u4f7f\u5f97LoRa\u5728\u4f4e\u4fe1\u566a\u6bd4\u73af\u5883\u4e0b\u4f9d\u7136\u80fd\u591f\u6b63\u5e38\u5de5\u4f5c\uff0c\u8fd9\u4e0e\u4f20\u7edf\u7684FSK\u8c03\u5236\u6280\u672f\u76f8\u6bd4\uff0c\u540e\u8005\u5728\u566a\u58f0\u73af\u5883\u4e0b\u8868\u73b0\u8f83\u5dee\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u6269\u9891\u6280\u672f<\/strong>\uff1aLoRa\u91c7\u7528\u6269\u9891\u6280\u672f\uff0c\u5c06\u4fe1\u53f7\u5728\u66f4\u5bbd\u7684\u9891\u8c31\u8303\u56f4\u5185\u4f20\u8f93\u3002\u8fd9\u79cd\u6280\u672f\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u6297\u5e72\u6270\u80fd\u529b\uff0c\u8fd8\u4f7f\u5f97LoRa\u4fe1\u53f7\u80fd\u591f\u5728\u566a\u58f0\u4e4b\u4e0b\u6b63\u5e38\u89e3\u8c03\u3002\u6269\u9891\u6280\u672f\u901a\u8fc7\u589e\u52a0\u4fe1\u53f7\u7684\u5e26\u5bbd\uff0c\u964d\u4f4e\u4e86\u4fe1\u53f7\u88ab\u5e72\u6270\u7684\u6982\u7387\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u524d\u5411\u7ea0\u9519\u7f16\u7801<\/strong>\uff1aLoRa\u6280\u672f\u8fd8\u91c7\u7528\u4e86\u524d\u5411\u7ea0\u9519\u7f16\u7801(FEC)\u6280\u672f\uff0c\u8fd9\u8fdb\u4e00\u6b65\u589e\u5f3a\u4e86\u5176\u6297\u5e72\u6270\u80fd\u529b\u3002\u524d\u5411\u7ea0\u9519\u7f16\u7801\u53ef\u4ee5\u5728\u63a5\u6536\u7aef\u81ea\u52a8\u7ea0\u6b63\u90e8\u5206\u9519\u8bef\uff0c\u4ece\u800c\u63d0\u9ad8\u901a\u4fe1\u7684\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u7ebf\u6027\u8c03\u9891\u8c03\u5236\uff08Chirp Modulation\uff09<\/strong> \uff1aLoRa\u4fe1\u53f7\u91c7\u7528\u7ebf\u6027\u8c03\u9891\u8c03\u5236\uff0c\u4fe1\u53f7\u7684\u9891\u7387\u968f\u65f6\u95f4\u7ebf\u6027\u53d8\u5316\u3002\u8fd9\u79cd\u7279\u6027\u4f7f\u5f97LoRa\u4fe1\u53f7\u5728\u4f20\u8f93\u65f6\u5177\u5907\u4e86\u8f83\u9ad8\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u76f8\u5e72\u89e3\u8c03<\/strong>\uff1aLoRa\u8c03\u5236\u6280\u672f\u5728\u76f8\u5e72\u89e3\u8c03\u65f6\u53ef\u4ee5\u5c06\u6709\u7528\u7684\u4fe1\u53f7\u805a\u96c6\u5728\u4e00\u8d77\uff0c\u800c\u566a\u58f0\u5219\u5728\u76f8\u5e72\u89e3\u8c03\u540e\u4ecd\u7136\u4fdd\u6301\u4e3a\u566a\u58f0\u3002\u8fd9\u79cd\u673a\u5236\u4f7f\u5f97LoRa\u5728\u566a\u58f0\u73af\u5883\u4e0b\u4f9d\u7136\u80fd\u591f\u6709\u6548\u63d0\u53d6\u4fe1\u53f7\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u3000\u56db\u3001 LoRa\u4fe1\u53f7\u8c03\u5236\u65b9\u5f0f\u76f8\u6bd4\u5176\u4ed6\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u6709\u54ea\u4e9b\u4f18\u52bf?<\/h2>\n\n\n\n

      \u3000\u3000\u5728\u7269\u8054\u7f51\u548c\u667a\u80fd\u57ce\u5e02\u7b49\u5e94\u7528\u573a\u666f\u4e2d\uff0cLoRa\u4fe1\u53f7\u8c03\u5236\u65b9\u5f0f\u76f8\u6bd4\u5176\u4ed6\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\u5177\u6709\u4ee5\u4e0b\u72ec\u7279\u4f18\u52bf\uff1a<\/p>\n\n\n\n

        \n
      • \u3000\u3000\u8fdc\u8ddd\u79bb\u901a\u4fe1\u80fd\u529b<\/strong>\uff1aLoRa\u6280\u672f\u91c7\u7528\u6269\u9891\u8c03\u5236\u65b9\u5f0f\uff0c\u901a\u8fc7\u964d\u4f4e\u6570\u636e\u901f\u7387\u6765\u6362\u53d6\u66f4\u8fdc\u7684\u901a\u4fe1\u8ddd\u79bb\u3002\u76f8\u6bd4Wi-Fi\u548cZigbee\u7b49\u6280\u672f\uff0cLoRa\u53ef\u4ee5\u5728\u76f8\u540c\u7684\u529f\u8017\u4e0b\u5b9e\u73b0\u66f4\u8fdc\u7684\u901a\u4fe1\u8ddd\u79bb\u3002\u4f8b\u5982\uff0cLoRa\u8c03\u5236\u6bd4FSK\/GFSK\u8c03\u5236\u65b9\u5f0f\u901a\u4fe1\u8ddd\u79bb\u8fdc10\u500d\u5de6\u53f3\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u6297\u5e72\u6270\u80fd\u529b\u5f3a<\/strong>\uff1aLoRa\u6280\u672f\u5229\u7528\u4e86\u72ec\u7279\u7684\u9891\u8c31\u6269\u5bbd\u5904\u7406\uff0c\u4f7f\u5176\u5728\u6297\u5e72\u6270\u80fd\u529b\u4e0a\u5177\u6709\u663e\u8457\u4f18\u52bf\u3002\u4e0e\u4f20\u7edf\u7684FSK\u8c03\u5236\u76f8\u6bd4\uff0cLoRa\u80fd\u591f\u66f4\u597d\u5730\u5c06\u6570\u636e\u4ece\u566a\u58f0\u4e2d\u5206\u8fa8\u63d0\u53d6\u51fa\u6765\u3002\u6b64\u5916\uff0cLoRa\u8fd8\u5177\u6709\u9ad8\u63a5\u6536\u7075\u654f\u5ea6\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u8fd9\u4f7f\u5f97\u5b83\u5728\u590d\u6742\u7684\u73af\u5883\u6761\u4ef6\u4e0b\u4e5f\u80fd\u4fdd\u6301\u7a33\u5b9a\u7684\u901a\u4fe1\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u4f4e\u529f\u8017<\/strong>\uff1aLoRa\u6280\u672f\u5728\u8bbe\u8ba1\u4e0a\u6ce8\u91cd\u4f4e\u529f\u8017\uff0c\u80fd\u591f\u5ef6\u957f\u7535\u6c60\u5bff\u547d\u3002\u8fd9\u5bf9\u4e8e\u9700\u8981\u957f\u671f\u8fd0\u884c\u4e14\u66f4\u6362\u7535\u6c60\u4e0d\u4fbf\u7684\u7269\u8054\u7f51\u8bbe\u5907\u5c24\u4e3a\u91cd\u8981\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u90e8\u7f72\u6210\u672c\u4f4e<\/strong>\uff1aLoRa\u6280\u672f\u5728\u90e8\u7f72\u6210\u672c\u65b9\u9762\u4e5f\u5177\u6709\u4f18\u52bf\u3002\u7531\u4e8e\u5176\u8986\u76d6\u8303\u56f4\u5e7f\uff0cLoRa\u7f51\u7edc\u53ef\u4ee5\u4f7f\u7528\u8f83\u5c11\u7684\u57fa\u7ad9\u8986\u76d6\u66f4\u5927\u7684\u533a\u57df\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u90e8\u7f72\u6210\u672c\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u7075\u6d3b\u6027\u9ad8<\/strong>\uff1aLoRa\u6280\u672f\u9002\u7528\u4e8e\u591a\u79cd\u5e94\u7528\u573a\u666f\uff0c\u5305\u62ec\u667a\u6167\u519c\u4e1a\u3001\u667a\u6167\u57ce\u5e02\u3001\u5de5\u4e1a\u7269\u8054\u7f51\u3001\u667a\u80fd\u5bb6\u5c45\u548c\u697c\u5b87\u3001\u667a\u80fd\u516c\u7528\u4e8b\u4e1a\u548c\u8ba1\u91cf\u4ee5\u53ca\u667a\u80fd\u4f9b\u5e94\u94fe\u548c\u7269\u6d41\u7b49\u3002\u8fd9\u79cd\u7075\u6d3b\u6027\u4f7f\u5f97LoRa\u6210\u4e3a\u8fde\u63a5\u672a\u6765\u5341\u4ebf\u7269\u8054\u7f51\u8bbe\u5907\u7684\u7406\u60f3\u9009\u62e9\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u524d\u5411\u7ea0\u9519\u6280\u672f<\/strong>\uff1aLoRa\u8c03\u5236\u6280\u672f\u8fd8\u5177\u5907\u524d\u5411\u7ea0\u9519(FEC)\u529f\u80fd\uff0c\u8fd9\u8fdb\u4e00\u6b65\u589e\u5f3a\u4e86\u5176\u5728\u566a\u58f0\u73af\u5883\u4e2d\u7684\u901a\u4fe1\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n\n\n\n

        \u3000\u3000\u4e94\u3001 LoRa\u4fe1\u53f7\u8c03\u5236\u65b9\u5f0f\u7684\u6700\u65b0\u7814\u7a76\u8fdb\u5c55\u548c\u6280\u672f\u6539\u8fdb<\/h2>\n\n\n\n

        \u3000\u3000LoRa\u4fe1\u53f7\u8c03\u5236\u65b9\u5f0f\u7684\u6700\u65b0\u7814\u7a76\u8fdb\u5c55\u548c\u6280\u672f\u6539\u8fdb\u4e3b\u8981\u96c6\u4e2d\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

          \n
        • \u3000\u3000\u81ea\u9002\u5e94\u6570\u636e\u901f\u7387\uff08ADR\uff09<\/strong> \uff1aLoRa\u6280\u672f\u5728\u63d0\u9ad8\u6570\u636e\u901f\u7387\u65b9\u9762\u7684\u6700\u65b0\u7814\u7a76\u8fdb\u5c55\u4e3b\u8981\u96c6\u4e2d\u5728\u81ea\u9002\u5e94\u6570\u636e\u901f\u7387(ADR)\u6280\u672f\u7684\u5e94\u7528\u4e0a\u3002ADR\u6280\u672f\u53ef\u4ee5\u6839\u636e\u4fe1\u9053\u6761\u4ef6\u52a8\u6001\u8c03\u6574\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u4ece\u800c\u4f18\u5316\u7f51\u7edc\u6027\u80fd\u548c\u80fd\u6548\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u591a\u5929\u7ebf\u4fe1\u53f7\u5408\u5e76<\/strong>\uff1a\u7814\u7a76\u8868\u660e\uff0c\u5f53\u7f51\u5173\u914d\u5907\u591a\u4e2a\u5929\u7ebf\u65f6\uff0cLoRa\u8c03\u5236\u7684\u6027\u80fd\u53ef\u4ee5\u5f97\u5230\u663e\u8457\u63d0\u5347\u3002\u901a\u8fc7\u7ed3\u5408\u6765\u81ea\u591a\u4e2a\u5929\u7ebf\u7684\u4fe1\u53f7\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u4f18\u7684\u7b26\u53f7\u68c0\u6d4b\u548c\u89e3\u8c03\u6027\u80fd\u3002\u8fd9\u4e3aLoRa\u7cfb\u7edf\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u4fe1\u53f7\u5408\u5e76\u7b56\u7565\u548c\u51b3\u7b56\u89c4\u5219\u3002<\/li>\n\n\n\n
        • \u3000\u3000RF-Transformer\u6280\u672f<\/strong>\uff1aRF-Transformer\u6280\u672f\u53ef\u4ee5\u5c06WiFi\u4fe1\u53f7\u8f6c\u6362\u4e3aLoRa\u4fe1\u53f7\uff0c\u901a\u8fc7\u6539\u53d8\u80cc\u6563\u5c04\u6807\u7b7e\u7684\u504f\u538b\u7535\u538b\u6765\u5b9e\u73b0\u7ec6\u7c92\u5ea6\u8c03\u5236\u3002\u8be5\u6280\u672f\u89e3\u51b3\u4e86WiFi\u4fe1\u53f7\u4e0e\u5176\u4ed6\u65e0\u7ebf\u901a\u4fe1(\u5982\u84dd\u7259\u3001ZigBee)\u4e4b\u95f4\u7684\u5e72\u6270\u95ee\u9898\uff0c\u5e76\u901a\u8fc7\u5e27\u805a\u5408\u529f\u80fd\u9002\u5e94LoRa\u7b26\u53f7\u8c03\u5236\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u591a\u7279\u5f81\u878d\u5408\u5b66\u4e60<\/strong>\uff1a\u7814\u7a76\u8005\u63d0\u51fa\u4e86\u57fa\u4e8ePSD\u5e8f\u5217\u548cSTFT\u56fe\u50cf\u878d\u5408\u5b66\u4e60\u7684\u65b9\u6cd5\uff0c\u7528\u4e8eCSSC\u4fe1\u53f7\u8c03\u5236\u8bc6\u522b\u3002\u8fd9\u79cd\u65b9\u6cd5\u5229\u7528\u9891\u8c31\u548c\u65f6\u9891\u56fe\u7279\u5f81\u878d\u5408\u5b66\u4e60\u53ca\u6ce8\u610f\u529b\u6a21\u5757\uff0c\u63d0\u9ad8\u4e86LoRa\u4fe1\u53f7\u8c03\u5236\u8bc6\u522b\u7684\u51c6\u786e\u6027\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u8f6f\u4ef6\u5b9a\u4e49\u65e0\u7ebf\u7535\uff08SDR\uff09\u5e73\u53f0\u7684\u5e94\u7528<\/strong>\uff1a\u5728SDR\u5e73\u53f0\u4e0a\u5b9e\u73b0LoRa\u6280\u672f\uff0c\u4e3a\u7269\u7406\u5c42\u6027\u80fd\u7684\u7814\u7a76\u63d0\u4f9b\u4e86\u5b9d\u8d35\u7684\u89c1\u89e3\uff0c\u5e76\u4e3a\u5305\u68c0\u6d4b\u548c\u540c\u6b65\u6539\u8fdb\u94fa\u5e73\u4e86\u9053\u8def\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u6269\u9891\u6280\u672f\u6539\u8fdb<\/strong>\uff1aLoRa\u91c7\u7528\u5541\u557e\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u6bcf\u4e00\u4e2a\u5541\u557e\u90fd\u4f1a\u7ebf\u6027\u53d8\u5316\u9891\u7387\uff0c\u8fd9\u79cd\u6280\u672f\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u6297\u5e72\u6270\u80fd\u529b\uff0c\u8fd8\u589e\u5f3a\u4e86\u4fe1\u53f7\u7684\u8986\u76d6\u8303\u56f4\u548c\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u4f4e\u529f\u8017\u957f\u8ddd\u79bb\u8c03\u5236\u6280\u672f<\/strong>\uff1aLoRa\u7684\u6838\u5fc3\u662f\u4e00\u79cd\u4f4e\u529f\u8017\u957f\u8ddd\u79bb\u8c03\u5236\u6280\u672f\uff0c\u901a\u8fc7\u6539\u8fdb\u6269\u9891\u6280\u672f\u5b9e\u73b0\u4e86\u4f4e\u529f\u8017\u7684\u540c\u65f6\uff0c\u514b\u670d\u4e86\u4f20\u7edf\u6269\u9891\u8c03\u5236\u5bf9\u4fe1\u566a\u6bd4\u7684\u4f9d\u8d56\u3002<\/li>\n\n\n\n
        • \u3000\u3000\u89d2\u5ea6\u8c03\u5236\u548c\u7f16\u7801\u6280\u672f<\/strong>\uff1a\u5728\u6570\u636e\u53d1\u9001\u9636\u6bb5\uff0c\u6700\u65b0\u7684\u8c03\u5236\u548c\u7f16\u7801\u6280\u672f\u5305\u62ec\u89d2\u5ea6\u8c03\u5236\u6280\u672f\u7684\u5e94\u7528\u3001\u79fb\u52a8\u901a\u4fe1\u8c03\u5236\u6280\u672f\u7684\u6f14\u8fdb\u4e0e\u9769\u65b0\u3001\u7b49\u79bb\u5b50\u4f53\u6ce2\u5bfc\u8c03\u5236\u6280\u672f\u7684\u63a2\u7d22\u4ee5\u53ca\u7eaf\u7845\u8c03\u5236\u5668\u7684\u7814\u53d1\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

          LoRa\u4fe1\u53f7\u8c03\u5236\u65b9\u5f0f\u4e3b\u8981\u91c7\u7528\u4e86Chirp Spread Spectrum(CSS)\u6269\u9891\u8c03\u5236\u6280\u672f\u3002\u8fd9\u79cd\u8c03\u5236\u65b9\u5f0f\u901a\u8fc7\u6539\u53d8\u4fe1\u53f7\u9891\u7387\u7684\u7ebf\u6027\u53d8\u5316\u6765\u8868\u793a\u4fe1\u606f\uff0c\u5177\u6709\u6297\u591a\u5f84\u5e72\u6270\u548c\u6297\u566a\u58f0\u7684\u4f18\u52bf<\/p>\n","protected":false},"author":1,"featured_media":97633,"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":[54,415,304],"class_list":["post-98233","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-l-2","tag-tzxh","tag-tzjt"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/98233"}],"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=98233"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/98233\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=98233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=98233"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=98233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}