{"id":96486,"date":"2024-08-05T14:48:30","date_gmt":"2024-08-05T06:48:30","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=96486"},"modified":"2024-08-05T14:48:35","modified_gmt":"2024-08-05T06:48:35","slug":"lsjbzdcdsds","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/96486.html","title":{"rendered":"LoRa\u6570\u636e\u5305\u6700\u5927\u957f\u5ea6\u662f\u591a\u5c11"},"content":{"rendered":"\n<p>\u3000\u3000LoRa\u6570\u636e\u5305\u7684\u6700\u5927\u957f\u5ea6\u4e00\u822c\u4e3a256\u4e2a\u5b57\u8282\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u6839\u636eLoRa\u6280\u672f\u89c4\u8303\uff0cLoRa\u4f20\u8f93\u6570\u636e\u5305\u7684\u6700\u5927\u957f\u5ea6\u4e00\u822c\u4e3a256\u4e2a\u5b57\u8282\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6570\u636e\u5305\u7684\u6700\u5927\u957f\u5ea6\u53ef\u4ee5\u8fbe\u5230255\u4e2a\u5b57\u8282\uff0c\u751a\u81f3\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u53ef\u4ee5\u8fbe\u5230282\u4e2a\u5b57\u8282\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7efc\u5408\u4ee5\u4e0a\u4fe1\u606f\uff0c\u5c3d\u7ba1\u5b58\u5728\u4e00\u4e9b\u5dee\u5f02\uff0c\u4f46LoRa\u6570\u636e\u5305\u7684\u6700\u5927\u6807\u51c6\u957f\u5ea6\u4e3a256\u4e2a\u5b57\u8282\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 \u5728\u4e0d\u540cLoRa\u5e94\u7528\u573a\u666f\u4e0b\uff0c\u6570\u636e\u5305\u7684\u6700\u5927\u957f\u5ea6\u662f\u5426\u6709\u663e\u8457\u5dee\u5f02?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u4e0d\u540cLoRa\u5e94\u7528\u573a\u666f\u4e0b\uff0c\u6570\u636e\u5305\u7684\u6700\u5927\u957f\u5ea6\u786e\u5b9e\u5b58\u5728\u663e\u8457\u5dee\u5f02\u3002\u53ef\u4ee5\u5f97\u51fa\u4ee5\u4e0b\u7ed3\u8bba\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4e00\u822c\u60c5\u51b5<\/strong>\uff1aLoRa\u7684\u6570\u636e\u5305\u957f\u5ea6\u901a\u5e38\u8f83\u5c0f\uff0c\u56e0\u4e3a\u5b83\u4eec\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5982\u7269\u6d41\u3001\u519c\u4e1a\u548c\u667a\u6167\u57ce\u5e02\u7b49\u9886\u57df\u3002\u4f8b\u5982\uff0c\u5728\u67d0\u4e9b\u7814\u7a76\u4e2d\uff0cLoRa\u6570\u636e\u5305\u7684\u6709\u6548\u8f7d\u8377\u5927\u5c0f\u4ece10\u5b57\u8282\u523060\u5b57\u8282\u4e0d\u7b49\uff0c\u5e76\u4e14\u968f\u7740\u6709\u6548\u8f7d\u8377\u7684\u589e\u52a0\uff0c\u8bef\u7801\u7387(BER)\u548c\u4e22\u5305\u7387(CER)\u9010\u6e10\u4e0a\u5347\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6700\u5927\u957f\u5ea6\u9650\u5236<\/strong>\uff1aLoRa\u6a21\u5757\u7684\u6700\u5927\u6570\u636e\u5305\u957f\u5ea6\u901a\u5e38\u4e3a255\u5b57\u8282\u6216256\u5b57\u8282\u3002\u8fd9\u4e00\u9650\u5236\u662f\u7531\u4e8eLoRa\u7269\u7406\u5c42\u5e27\u683c\u5f0f\u7684\u5b9a\u4e49\uff0c\u5176\u4e2d\u6709\u6548\u8f7d\u8377\u90e8\u5206\u7684\u6700\u5927\u957f\u5ea6\u7531\u5730\u5740\u5bc4\u5b58\u5668\u4e2d\u7684\u8bbe\u7f6e\u51b3\u5b9a\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7279\u5b9a\u5e94\u7528\u4e2d\u7684\u6570\u636e\u5305\u5927\u5c0f<\/strong>\uff1a\u5728\u4e00\u4e9b\u7279\u5b9a\u7684\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u6570\u636e\u5305\u7684\u5927\u5c0f\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\u3002\u4f8b\u5982\uff0c\u5728LoRaWAN\u7cfb\u7edf\u4e2d\uff0c\u4e00\u4e2a\u5178\u578b\u7684\u4e1a\u52a1\u6a21\u578b\u4e0b\u6570\u636e\u4f20\u8f93\u7684\u6709\u6548\u8f7d\u8377\u5927\u5c0f\u901a\u5e38\u572850\u5230100\u5b57\u8282\u4e4b\u95f4\u3002\u6b64\u5916\uff0c\u67d0\u4e9b\u7cfb\u7edf\u53ef\u80fd\u5141\u8bb8\u66f4\u957f\u7684\u6570\u636e\u5305\uff0c\u4f46\u5177\u4f53\u53d6\u51b3\u4e8e\u6240\u4f7f\u7528\u7684\u786c\u4ef6\u548c\u914d\u7f6e\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u6570\u636e\u5305\u5927\u5c0f<\/strong>\uff1a\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cLoRa\u7684\u6570\u636e\u5305\u5927\u5c0f\u5e76\u6ca1\u6709\u4e00\u4e2a\u56fa\u5b9a\u7684\u6807\u51c6\uff0c\u800c\u662f\u6839\u636e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\u8fdb\u884c\u8c03\u6574\u3002\u4f8b\u5982\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0cLoRa\u8282\u70b9\u4f1a\u5c0632\u4f4d\u6709\u6548\u8f7d\u8377\u9644\u52a0\u5230\u6bcf\u4e2aLoRa\u6570\u636e\u5305\u4e0a\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRa\u6570\u636e\u5305\u957f\u5ea6\u8d85\u8fc7256\u4e2a\u5b57\u8282\u65f6\uff0c\u5bf9\u901a\u4fe1\u6027\u80fd\u6709\u4f55\u5f71\u54cd?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6570\u636e\u5305\u957f\u5ea6\u8d85\u8fc7256\u4e2a\u5b57\u8282\u65f6\uff0c\u5bf9\u901a\u4fe1\u6027\u80fd\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>\u4f20\u8f93\u65f6\u95f4\u548c\u53ef\u9760\u6027<\/strong>\uff1a\u6839\u636e\u62a5\u544a\u300aThe SX1276\/77\/78 Transceiver\u300b\u4e2d\u63d0\u5230\u7684\uff0c\u5f53\u7b26\u53f7\u6301\u7eed\u65f6\u95f4\u8d85\u8fc716ms\u65f6\uff0c\u5efa\u8bae\u542f\u7528LowDataRateOptimize\u9009\u9879\u4ee5\u63d0\u9ad8\u4f4e\u6570\u636e\u901f\u7387\u4e0b\u7684\u4f20\u8f93\u9c81\u68d2\u6027\u3002\u8fd9\u610f\u5473\u7740\u5728\u8f83\u957f\u7684\u6570\u636e\u5305\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0c\u5982\u679c\u6570\u636e\u5305\u957f\u5ea6\u8d85\u8fc7256\u4e2a\u5b57\u8282\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4fe1\u53f7\u9891\u7387\u53d8\u5316\u5bf9\u4f20\u8f93\u7684\u5f71\u54cd\u589e\u52a0\uff0c\u4ece\u800c\u964d\u4f4e\u901a\u4fe1\u7684\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8bef\u7801\u7387\u548c\u541e\u5410\u91cf<\/strong>\uff1a\u6839\u636e\u8bba\u6587\u300a\u591a\u5c42\u5305\u88c5\u63a5\u6536\u534f\u8bae\u7684\u521b\u65b0\u4e0e\u5e94\u7528\u300b\uff0c\u5f53\u6709\u6548\u8f7d\u8377\u5927\u5c0f\u4ece10\u5b57\u8282\u589e\u52a0\u523060\u5b57\u8282\u65f6\uff0c\u57fa\u4e8emLoRa\u7684\u8bef\u7801\u7387(BER)\u548c\u8f7d\u6ce2\u8bef\u5dee\u7387(CER)\u9010\u6e10\u4e0a\u5347\uff0c\u5e76\u6700\u7ec8\u8d85\u8fc710%\u3002\u6b64\u5916\uff0c\u603b\u541e\u5410\u91cf\u4e5f\u968f\u7740\u6709\u6548\u8f7d\u8377\u5927\u5c0f\u7684\u589e\u52a0\u800c\u7565\u6709\u4e0b\u964d\uff0c\u4ece7.8 kbps\u964d\u81f35.4 kbps\u3002\u8fd9\u8868\u660e\u6570\u636e\u5305\u957f\u5ea6\u7684\u589e\u52a0\u4f1a\u5bfc\u81f4\u566a\u58f0\u7d2f\u79ef\u95ee\u9898\u66f4\u52a0\u4e25\u91cd\uff0c\u8fdb\u800c\u5f71\u54cd\u89e3\u7801\u8fc7\u7a0b\u7684\u51c6\u786e\u6027\uff0c\u6700\u7ec8\u5bfc\u81f4\u901a\u4fe1\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u9650\u5236<\/strong>\uff1a\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cLoRa\u8bbe\u5907\u5982SX1278\u7684\u6700\u5927\u6709\u6548\u8f7d\u8377\u957f\u5ea6\u4e3a256\u5b57\u8282\u3002\u8fd9\u610f\u5473\u7740\u4efb\u4f55\u8d85\u8fc7\u8fd9\u4e00\u957f\u5ea6\u7684\u6570\u636e\u5305\u90fd\u9700\u8981\u8fdb\u884c\u5206\u5305\u6216\u91c7\u7528\u5176\u4ed6\u65b9\u5f0f\u5904\u7406\uff0c\u5426\u5219\u53ef\u80fd\u65e0\u6cd5\u6b63\u786e\u4f20\u8f93\u3002\u6b64\u5916\uff0c\u8fc7\u957f\u7684\u6570\u636e\u5305\u8fd8\u53ef\u80fd\u5bfc\u81f4\u63a5\u6536\u7aef\u65e0\u6cd5\u6b63\u786e\u89e3\u6790\u6570\u636e\uff0c\u4f8b\u5982\u67d0\u4e9b\u60c5\u51b5\u4e0bLoRa\u6a21\u5757\u4e0d\u80fd\u5904\u7406\u8d85\u8fc7\u4e00\u4e2a\u5b57\u8282\u7684\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000LoRa\u6570\u636e\u5305\u957f\u5ea6\u8d85\u8fc7256\u4e2a\u5b57\u8282\u65f6\uff0c\u4f1a\u663e\u8457\u5f71\u54cd\u901a\u4fe1\u6027\u80fd\uff0c\u5305\u62ec\u589e\u52a0\u8bef\u7801\u7387\u3001\u964d\u4f4e\u541e\u5410\u91cf\u4ee5\u53ca\u53ef\u80fd\u7684\u4fe1\u53f7\u5904\u7406\u56f0\u96be\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u5982\u4f55\u4f18\u5316LoRa\u6570\u636e\u5305\u4ee5\u8fbe\u5230\u6216\u8d85\u8fc7282\u4e2a\u5b57\u8282\u7684\u6700\u5927\u957f\u5ea6?<\/h2>\n\n\n\n<p>\u3000\u3000\u8981\u4f18\u5316LoRa\u6570\u636e\u5305\u4ee5\u8fbe\u5230\u6216\u8d85\u8fc7282\u4e2a\u5b57\u8282\u7684\u6700\u5927\u957f\u5ea6\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u51e0\u79cd\u7b56\u7565\uff1a<\/p>\n\n\n\n<ul 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