{"id":95882,"date":"2024-07-24T09:37:39","date_gmt":"2024-07-24T01:37:39","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=95882"},"modified":"2024-07-24T09:37:44","modified_gmt":"2024-07-24T01:37:44","slug":"lmkdycsds","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/95882.html","title":{"rendered":"LoRa\u6a21\u5757\u7684\u5ef6\u8fdf\u662f\u591a\u5c11"},"content":{"rendered":"\n<p>\u3000\u3000<strong>LoRa\u6a21\u5757<\/strong>\u7684\u5ef6\u8fdf\u4e3b\u8981\u53d6\u51b3\u4e8e\u5176\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u5e26\u5bbd\u3002\u5728\u6807\u51c6\u6a21\u5f0f\u4e0b\uff0cLoRa\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u8303\u56f4\u4ece0.3kbps\u523050kbps\u4e0d\u7b49\u3002\u56e0\u6b64\uff0cLoRa\u65e0\u7ebf\u6280\u672f\u7684\u6700\u5927\u5ef6\u8fdf\u53ef\u4ee5\u4ece\u51e0\u79d2\u5230\u51e0\u5206\u949f\u4e4b\u95f4\u53d8\u5316\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u4f20\u8f93\u7684\u6570\u636e\u91cf\u548c\u9009\u62e9\u7684\u4f20\u8f93\u901f\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0cLoRa\u901a\u4fe1\u7531\u4e8e\u5176\u8bbe\u8ba1\u548c\u534f\u8bae\u89c4\u5b9a\uff0c\u901a\u5e38\u5177\u6709\u8f83\u957f\u7684\u4f20\u8f93\u65f6\u5ef6\uff0c\u5728\u5ef6\u65f6\u654f\u611f\u7684\u5e94\u7528\u4e2d\u53ef\u80fd\u4f1a\u5bfc\u81f4\u95ee\u9898\u3002\u4f8b\u5982\uff0c\u5728\u4eba\u4e0e\u4eba\u4e4b\u95f4\u7684\u901a\u8bdd\u6216\u5b9e\u65f6\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0c\u8fd9\u79cd\u957f\u5ef6\u8fdf\u53ef\u80fd\u4f1a\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u4f18\u5316LoRa\u7f51\u7edc\u7684\u5ef6\u8fdf\uff0c\u53ef\u4ee5\u91c7\u53d6\u591a\u79cd\u63aa\u65bd\uff0c\u5982\u4f18\u5316\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u3001\u6570\u636e\u538b\u7f29\u4e0e\u5206\u7247\u3001\u6570\u636e\u4f20\u8f93\u534f\u8bae\u548c\u8def\u7531\u7b97\u6cd5\u7b49\u3002\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u964d\u4f4e\u65e0\u7ebfLoRa\u81ea\u7ec4\u7f51\u7684\u65f6\u5ef6\uff0c\u5e76\u63d0\u9ad8\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6a21\u5757\u7684\u5ef6\u8fdf\u56e0\u591a\u79cd\u56e0\u7d20\u800c\u5f02\uff0c\u4e3b\u8981\u5305\u62ec\u6570\u636e\u4f20\u8f93\u901f\u7387\u3001\u5e26\u5bbd\u4ee5\u53ca\u7f51\u7edc\u914d\u7f6e\u7b49\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u9700\u6c42\u8fdb\u884c\u4f18\u5316\u4ee5\u51cf\u5c11\u5ef6\u8fdf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa\u6a21\u5757\u5728\u4e0d\u540c\u6570\u636e\u4f20\u8f93\u901f\u7387\u4e0b\u7684\u5177\u4f53\u5ef6\u8fdf\u662f\u591a\u5c11?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6a21\u5757\u5728\u4e0d\u540c\u6570\u636e\u4f20\u8f93\u901f\u7387\u4e0b\u7684\u5177\u4f53\u5ef6\u8fdf\u53d7\u591a\u79cd\u56e0\u7d20\u5f71\u54cd\uff0c\u5305\u62ec\u6570\u636e\u5305\u5927\u5c0f\u3001\u4f20\u8f93\u901f\u7387\u3001\u4fe1\u9053\u6761\u4ef6\u548c\u7f51\u7edc\u62e5\u585e\u7b49\u3002\u867d\u7136\u5177\u4f53\u7684\u5ef6\u8fdf\u65f6\u95f4\u6ca1\u6709\u660e\u786e\u7684\u6570\u503c\u63d0\u4f9b\uff0c\u4f46\u53ef\u4ee5\u786e\u5b9a\u7684\u662f\uff0c\u7531\u4e8eLoRa\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u8f83\u4f4e(\u901a\u5e38\u5728300bps\u81f350kbps\u4e4b\u95f4)\uff0c\u56e0\u6b64\u5728\u901a\u4fe1\u8fc7\u7a0b\u4e2d\u4f1a\u6709\u4e00\u5b9a\u7684\u5ef6\u8fdf\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0c\u6839\u636e\u5b9e\u9a8c\u7ed3\u679c\uff0c\u5728\u4e00\u4e2a\u5305\u542b10\u4e2aLoRa\u8282\u70b9\u548c\u4e00\u4e2a\u7f51\u5173\u7684\u5c0f\u578b\u6d4b\u8bd5\u73af\u5883\u4e2d\uff0c\u901a\u8fc7\u8c03\u6574\u6570\u636e\u6536\u96c6\u7a97\u53e3(\u03c4)\u4ece40\u79d2\u5230200\u79d2\uff0c\u4fdd\u6301\u4f20\u8f93\u6570\u636e\u5927\u5c0f\u4e3a2000\u5b57\u8282\u548c\u6570\u636e\u5305\u957f\u5ea6\u4e3a50\u5b57\u8282\u4e0d\u53d8\uff0c\u8fdb\u884c\u4e86\u591a\u6b21\u5b9e\u9a8c\u4ee5\u6d4b\u8bd5\u4e0d\u540c\u7684\u6d41\u91cf\u5bc6\u5ea6\u573a\u666f\u3002\u8fd9\u4e9b\u5b9e\u9a8c\u8868\u660e\uff0cLoRa\u6a21\u5757\u5728\u9ad8\u6d41\u91cf\u5bc6\u5ea6\u573a\u666f\u4e0b\u7684\u5ef6\u8fdf\u53ef\u80fd\u4f1a\u6709\u6240\u589e\u52a0\uff0c\u4f46\u5177\u4f53\u6570\u503c\u9700\u8981\u8fdb\u4e00\u6b65\u7684\u5b9e\u9a8c\u6570\u636e\u6765\u652f\u6301\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6a21\u5757\u7684\u5ef6\u8fdf\u4e3b\u8981\u53d6\u51b3\u4e8e\u5176\u4f4e\u6570\u636e\u4f20\u8f93\u901f\u7387\u4ee5\u53ca\u73af\u5883\u4e2d\u7684\u5404\u79cd\u56e0\u7d20\uff0c\u5982\u4fe1\u9053\u6761\u4ef6\u548c\u7f51\u7edc\u62e5\u585e\u7b49\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRa\u901a\u4fe1\u534f\u8bae\u4e2d\u54ea\u4e9b\u56e0\u7d20\u6700\u5f71\u54cd\u4f20\u8f93\u65f6\u5ef6?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728LoRa\u901a\u4fe1\u534f\u8bae\u4e2d\uff0c\u5f71\u54cd\u4f20\u8f93\u65f6\u5ef6\u7684\u56e0\u7d20\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f20\u8f93\u8ddd\u79bb<\/strong>\uff1aLoRa\u6280\u672f\u7684\u4f20\u8f93\u8ddd\u79bb\u8f83\u957f\uff0c\u4f46\u968f\u7740\u4f20\u8f93\u8ddd\u79bb\u7684\u589e\u52a0\uff0c\u4fe1\u53f7\u8870\u51cf\u548c\u5e72\u6270\u4e5f\u4f1a\u76f8\u5e94\u589e\u52a0\uff0c\u4ece\u800c\u5bfc\u81f4\u4f20\u8f93\u65f6\u5ef6\u589e\u52a0\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7f51\u7edc\u62d3\u6251<\/strong>\uff1a\u590d\u6742\u7684\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u4f1a\u589e\u52a0\u6570\u636e\u4f20\u8f93\u7684\u8def\u5f84\u957f\u5ea6\u548c\u4e2d\u7ee7\u6b21\u6570\uff0c\u8fdb\u800c\u5ef6\u957f\u4f20\u8f93\u65f6\u95f4\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6570\u636e\u5305\u5927\u5c0f<\/strong>\uff1a\u8f83\u5927\u7684\u6570\u636e\u5305\u9700\u8981\u66f4\u591a\u7684\u4f20\u8f93\u65f6\u95f4\u3002\u901a\u8fc7\u4f7f\u7528\u6570\u636e\u538b\u7f29\u7b97\u6cd5(\u5982Huffman\u7f16\u7801\u3001Lempel-Ziv-Welch\u7b97\u6cd5)\u53ef\u4ee5\u51cf\u5c0f\u6570\u636e\u5305\u7684\u5927\u5c0f\uff0c\u4ece\u800c\u964d\u4f4e\u4f20\u8f93\u65f6\u5ef6\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6570\u636e\u4f20\u8f93\u901f\u7387<\/strong>\uff1a\u6570\u636e\u4f20\u8f93\u901f\u7387\u8d8a\u4f4e\uff0c\u6240\u9700\u7684\u65f6\u95f4\u4e5f\u5c31\u8d8a\u957f\uff0c\u56e0\u6b64\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u662f\u51cf\u5c11\u65f6\u5ef6\u7684\u5173\u952e\u63aa\u65bd\u4e4b\u4e00\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6269\u9891\u56e0\u5b50(SF)<\/strong>\uff1a\u6269\u9891\u56e0\u5b50\u7684\u9009\u62e9\u5bf9\u4f20\u8f93\u65f6\u5ef6\u6709\u663e\u8457\u5f71\u54cd\u3002\u8f83\u9ad8\u7684SF\u503c\u867d\u7136\u53ef\u4ee5\u63d0\u9ad8\u6297\u5e72\u6270\u80fd\u529b\uff0c\u4f46\u4e5f\u589e\u52a0\u4e86\u6570\u636e\u5305\u7684\u7a7a\u4e2d\u65f6\u95f4\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4fe1\u9053\u62e5\u585e<\/strong>\uff1a\u5f53\u7f51\u7edc\u4e2d\u7684\u6570\u636e\u91cf\u8fc7\u5927\u65f6\uff0c\u4f1a\u5bfc\u81f4\u4fe1\u9053\u62e5\u585e\uff0c\u4ece\u800c\u589e\u52a0\u4f20\u8f93\u65f6\u5ef6\u3002\u91c7\u7528\u8df3\u9891\u6269\u9891\u901a\u4fe1(FHSS)\u548c\u7b49\u5f85\u91cd\u53d1\u673a\u5236\u53ef\u4ee5\u6709\u6548\u5904\u7406\u4fe1\u9053\u51b2\u7a81\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e76\u53d1\u95ee\u9898<\/strong>\uff1a\u4e3a\u4e86\u907f\u514d\u4fe1\u9053\u51b2\u7a81\uff0c\u53ef\u4ee5\u901a\u8fc7\u5e27\u540c\u6b65\u548c\u65f6\u95f4\u5206\u914d\u7b49\u65b9\u6cd5\u6765\u4f18\u5316\u6570\u636e\u4f20\u8f93\u6548\u7387\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000LoRa\u901a\u4fe1\u534f\u8bae\u4e2d\u5f71\u54cd\u4f20\u8f93\u65f6\u5ef6\u7684\u4e3b\u8981\u56e0\u7d20\u5305\u62ec\u4f20\u8f93\u8ddd\u79bb\u3001\u7f51\u7edc\u62d3\u6251\u3001\u6570\u636e\u5305\u5927\u5c0f\u3001\u6570\u636e\u4f20\u8f93\u901f\u7387\u3001\u6269\u9891\u56e0\u5b50\u3001\u4fe1\u9053\u62e5\u585e\u4ee5\u53ca\u5e76\u53d1\u95ee\u9898\u7b49\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u5982\u4f55\u4f18\u5316LoRa\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u4ee5\u51cf\u5c11\u5ef6\u8fdf?<\/h2>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u4f18\u5316LoRa\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u4ee5\u51cf\u5c11\u5ef6\u8fdf\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u51e0\u79cd\u7b56\u7565\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u589e\u5f3a\u7f51\u7edc\u8986\u76d6\u8303\u56f4\u548c\u4fe1\u53f7\u8d28\u91cf<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u589e\u52a0\u7f51\u5173\u6570\u91cf\uff1a\u5408\u7406\u5206\u5e03LoRa\u7f51\u5173\u53ef\u4ee5\u589e\u5f3a\u7f51\u7edc\u8986\u76d6\u8303\u56f4\uff0c\u63d0\u5347\u4fe1\u53f7\u8d28\u91cf\uff0c\u4ece\u800c\u51cf\u5c11\u4fe1\u53f7\u5f31\u5bfc\u81f4\u7684\u5ef6\u8fdf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u91c7\u7528\u591a\u8df3\u8def\u7531\u65b9\u6848<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u7ed3\u5408\u591a\u8df3\u8def\u7531\u65b9\u6848\u548c\u6269\u9891\u56e0\u5b50\u5206\u914d\u65b9\u6cd5\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u7f51\u7edc\u7684\u8282\u70b9\u5bb9\u91cf\u548c\u53ef\u9760\u6027\u3002\u8fd9\u79cd\u65b9\u6cd5\u5728\u57fa\u672c\u8282\u70b9\u6570\u91cf\u5927\u4e8e10.000\u4e2a\u7684LoRa\u7f51\u7edc\u5185\uff0c\u4ecd\u53ef\u4ee5\u83b7\u5f9780%\u4ee5\u4e0a\u7684\u6570\u636e\u5305\u4ea4\u4ed8\u7387(PDR)\uff0c\u663e\u8457\u63d0\u9ad8\u4e86\u7f51\u7edc\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u9009\u62e9\u5408\u9002\u7684\u7f51\u7edc\u62d3\u6251\u7ed3\u6784<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u661f\u578b\u62d3\u6251\u662f\u6700\u7b80\u5355\u7684LoRa\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\uff0c\u5176\u4e2d\u6240\u6709\u8282\u70b9\u90fd\u76f4\u63a5\u8fde\u63a5\u5230\u4e00\u4e2a\u4e2d\u592e\u7f51\u5173\u3002\u8fd9\u79cd\u7ed3\u6784\u867d\u7136\u7b80\u5355\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8f83\u9ad8\u7684\u5ef6\u8fdf\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7f51\u72b6(MESH)\u62d3\u6251\u91c7\u7528\u53bb\u4e2d\u5fc3\u5316\u7ed3\u6784\uff0c\u6574\u4e2a\u7f51\u7edc\u7531\u8def\u7531\u8282\u70b9\u548c\u7ec8\u7aef\u8282\u70b9\u7ec4\u6210\uff0c\u4e0d\u9700\u8981\u4e2d\u5fc3\u8282\u70b9\u6216\u534f\u8c03\u5668\u53c2\u4e0e\u7f51\u7edc\u7ba1\u7406\u3002\u8fd9\u79cd\u7ed3\u6784\u9002\u5408\u5927\u8303\u56f4\u3001\u9ad8\u5bc6\u5ea6\u7684\u7f51\u7edc\u90e8\u7f72\uff0c\u5e76\u4e14\u5177\u6709\u826f\u597d\u7684\u81ea\u6108\u80fd\u529b\u548c\u8f83\u4f4e\u7684\u5ef6\u8fdf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u65f6\u95f4\u540c\u6b65\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u9009\u62e9\u6700\u4f73\u540c\u6b65\u65f6\u95f4\u548c\u6269\u9891\u56e0\u5b50\u6765\u63d0\u9ad8\u540c\u6b65\u7cbe\u5ea6\u5e76\u907f\u514d\u4f20\u8f93\u51b2\u7a81\uff0c\u4ece\u800c\u63d0\u9ad8LoRa\u7f51\u7edc\u7684\u53ef\u9760\u6027\u3002\u5728\u591a\u7f51\u5173\u573a\u666f\u4e0b\uff0c\u7ec8\u7aef\u8bbe\u5907\u5fc5\u987b\u4ece\u4e0d\u540c\u7684\u7f51\u5173\u4e2d\u9009\u62e9\u4e00\u4e2a\u6269\u9891\u56e0\u5b50\u548c\u540c\u6b65\u65f6\u95f4\u6765\u63a5\u6536\u540c\u6b65\u62a5\u6587\uff0c\u8fd9\u51b3\u5b9a\u4e86\u5176\u65f6\u95f4\u540c\u6b65\u7684\u7cbe\u5ea6\u3002<\/p>\n\n\n\n<h3 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