{"id":99209,"date":"2024-11-16T15:49:28","date_gmt":"2024-11-16T07:49:28","guid":{"rendered":"\/\/www.viralrail.com\/?p=99209"},"modified":"2024-11-16T15:49:36","modified_gmt":"2024-11-16T07:49:36","slug":"lgmkcsjl-2","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99209.html","title":{"rendered":"LoRa 2.4G\u6a21\u5757\u4f20\u8f93\u8ddd\u79bb"},"content":{"rendered":"\n<p>\u3000\u3000<strong>LoRa 2.4GHz\u6a21\u5757<\/strong>\u7684\u4f20\u8f93\u8ddd\u79bb\u53d7\u5230\u591a\u79cd\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u5305\u62ec\u53d1\u5c04\u529f\u7387\u3001\u5929\u7ebf\u589e\u76ca\u3001\u73af\u5883\u6761\u4ef6\u3001\u6570\u636e\u901f\u7387\u548c\u9891\u8c31\u4f7f\u7528\u60c5\u51b5\u7b49\u3002\u5728\u7406\u60f3\u6761\u4ef6\u4e0b\uff0cLoRa 2.4GHz\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u5230\u51e0\u516c\u91cc\uff0c\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u7531\u4e8e\u57ce\u5e02\u3001\u519c\u6751\u6216\u5ba4\u5185\u73af\u5883\u4e2d\u7684\u969c\u788d\u7269\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u5f00\u9614\u73af\u5883\u4e0b\uff0cLoRa 2.4GHz\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u901a\u5e38\u57283\u52305\u516c\u91cc\u4e4b\u95f4\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u57ce\u5e02\u73af\u5883\u4e2d\uff0cLoRa 2.4GHz\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u80fd\u53d7\u5230\u8def\u5f84\u635f\u8017\u7684\u5f71\u54cd\uff0c\u901a\u5e38\u5728\u51e0\u767e\u7c73\u5230\u51e0\u5343\u7c73\u4e0d\u7b49\u3002\u4f8b\u5982\uff0c\u5728\u67d0\u4e9b\u6d4b\u8bd5\u4e2d\uff0cLoRa\u6a21\u5757\u5728\u57ce\u5e02\u73af\u5883\u4e2d\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u5230500\u7c73\u52302\u516c\u91cc\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u5ba4\u5185\u73af\u5883\u4e2d\uff0cLoRa 2.4GHz\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u80fd\u66f4\u77ed\uff0c\u901a\u5e38\u5728\u51e0\u5341\u7c73\u5230\u51e0\u767e\u7c73\u4e4b\u95f4\u3002\u4f8b\u5982\uff0c\u6709\u7814\u7a76\u8868\u660e\uff0c\u5728\u7c7b\u4f3c\u529e\u516c\u5ba4\u73af\u5883\u7684\u5ba4\u5185\u573a\u6240\u4e2d\uff0cLoRa\u6a21\u5757\u7684\u6700\u5927\u901a\u4fe1\u8303\u56f4\u4e3a\u51e0\u767e\u7c73\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u81ea\u7531\u7a7a\u95f4\u4e2d\uff0cLoRa 2.4GHz\u6a21\u5757\u7406\u8bba\u4e0a\u53ef\u4ee5\u5b9e\u73b0\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u4f8b\u5982\u5728\u67d0\u4e9b\u7814\u7a76\u4e2d\u63d0\u5230\u7684\u6700\u5927\u8303\u56f4\u53ef\u8fbe133\u516c\u91cc\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa 2.4GHz\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u5728\u4e0d\u540c\u73af\u5883\u4e0b\u8868\u73b0\u5404\u5f02\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u53d1\u5c04\u529f\u7387\u3001\u63a5\u6536\u7075\u654f\u5ea6\u3001\u5929\u7ebf\u589e\u76ca\u3001\u73af\u5883\u6761\u4ef6\u7b49\u56e0\u7d20\u3002\u5728\u7406\u60f3\u6761\u4ef6\u4e0b\uff0cLoRa 2.4GHz\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u5230\u51e0\u516c\u91cc\uff0c\u800c\u5728\u590d\u6742\u7684\u57ce\u5e02\u6216\u5ba4\u5185\u73af\u5883\u4e2d\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u80fd\u4f1a\u663e\u8457\u7f29\u77ed\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa 2.4GHz\u6a21\u5757\u5728\u4e0d\u540c\u73af\u5883\u6761\u4ef6\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb\u5bf9\u6bd4\u7814\u7a76<\/h2>\n\n\n\n<p>\u3000\u3000LoRa 2.4GHz\u6a21\u5757\u5728\u4e0d\u540c\u73af\u5883\u6761\u4ef6\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb\u5bf9\u6bd4\u7814\u7a76\u4e3b\u8981\u96c6\u4e2d\u5728\u81ea\u7531\u7a7a\u95f4\u3001\u5ba4\u5185\u548c\u57ce\u5e02\u73af\u5883\u4e2d\u7684\u8868\u73b0\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u5206\u6790\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u65e0\u89c6\u7ebf\u81ea\u7531\u7a7a\u95f4\u4e2d\uff0cLoRa 2.4GHz\u6a21\u5757\u7684\u7406\u8bba\u6700\u5927\u901a\u4fe1\u8303\u56f4\u53ef\u4ee5\u8fbe\u5230133\u516c\u91cc\u3002\u7136\u800c\uff0c\u7531\u4e8e\u5b9e\u9645\u73af\u5883\u4e2d\u5b58\u5728\u969c\u788d\u7269\u3001\u591a\u5f84\u4f20\u64ad\u6548\u5e94\u548c\u5176\u4ed6\u4fe1\u53f7\u5e72\u6270\uff0c\u8fd9\u4e00\u7406\u8bba\u8303\u56f4\u5f88\u96be\u5728\u73b0\u5b9e\u4e16\u754c\u4e2d\u5b9e\u73b0\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u5ba4\u5185\u73af\u5883\u4e2d\uff0cLoRa 2.4GHz\u6a21\u5757\u7684\u901a\u4fe1\u8303\u56f4\u53d7\u5230\u5899\u58c1\u548c\u5176\u4ed6\u969c\u788d\u7269\u7684\u5f71\u54cd\u8f83\u5927\u3002\u6839\u636e\u57fa\u4e8e\u5b9e\u9645\u6d4b\u91cf\u7684\u5ba4\u5185\u8def\u5f84\u635f\u8017\u6a21\u578b\uff0c\u4f30\u8ba1\u7684\u8303\u56f4\u53d8\u5316\u8f83\u5927\uff0c\u4ece18\u7c73\u523074\u7c73\u4e0d\u7b49\u3002\u8fd9\u79cd\u5dee\u5f02\u4e3b\u8981\u53d6\u51b3\u4e8e\u6269\u5c55\u56e0\u5b50\u548c\u5e26\u5bbd\u7684\u9009\u62e9\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u57ce\u5e02\u73af\u5883\u4e2d\uff0cLoRa 2.4GHz\u6a21\u5757\u7684\u6700\u5927\u901a\u4fe1\u8303\u56f4\u88ab\u786e\u5b9a\u4e3a867\u7c73\u3002\u4f7f\u7528\u6269\u5c55\u56e0\u5b50\u4e3a10\u548c\u5e26\u5bbd\u4e3a406 kHz\u65f6\uff0c\u901a\u4fe1\u8303\u56f4\u4e3a443\u7c73\u3002\u8fd9\u8868\u660eLoRa\u5728\u57ce\u5e02\u73af\u5883\u4e2d\u4ecd\u80fd\u63d0\u4f9b\u76f8\u5bf9\u8f83\u597d\u7684\u901a\u4fe1\u8ddd\u79bb\uff0c\u4f46\u4e0e\u81ea\u7531\u7a7a\u95f4\u76f8\u6bd4\u6709\u6240\u51cf\u5c11\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u57282.4 GHz\u9891\u6bb5\u4e0a\u7684\u901a\u4fe1\u8303\u56f4\u663e\u8457\u4f18\u4e8e\u5176\u4ed6\u5728\u540c\u4e00\u9891\u6bb5\u4e0a\u7684\u6280\u672f\u3002\u4f8b\u5982\uff0cLoRa\u7684\u5ba4\u5916\u901a\u4fe1\u8303\u56f4\u51e0\u4e4e\u662fBLE 5\u7684\u4e09\u500d\uff0c\u5e76\u4e14\u662fIEEE 802.11\u7f51\u7edc\u7684\u516b\u500d\u4ee5\u4e0a\u3002\u8fd9\u4e3b\u8981\u5f52\u56e0\u4e8eLoRa\u8f83\u4f4e\u7684\u5e26\u5bbd\u548c\u6570\u636e\u901f\u7387\u4ee5\u53ca\u4fe1\u53f7\u7684\u7a33\u5065\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5c3d\u7ba1LoRa\u57282.4 GHz\u9891\u6bb5\u4e0a\u5177\u6709\u8f83\u957f\u7684\u901a\u4fe1\u8303\u56f4\uff0c\u4f46\u5176\u6700\u9ad8\u6570\u636e\u901f\u7387\u4ec5\u4e3a253.91 kbit\/s\u3002\u8fd9\u610f\u5473\u7740\u5728\u914d\u7f6eLoRa\u4fe1\u9053\u65f6\u9700\u8981\u5728\u901a\u4fe1\u8303\u56f4\u548c\u6570\u636e\u901f\u7387\u4e4b\u95f4\u8fdb\u884c\u6743\u8861\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5982\u65e0\u4eba\u673a(UAV)\u63a7\u5236\u7cfb\u7edf\uff0cLoRa\u6a21\u5757\u5728\u77ed\u8ddd\u79bb\u5185\u8868\u73b0\u51fa\u8272\uff0c\u4f46\u5728\u8d85\u8fc7\u4e00\u5b9a\u8ddd\u79bb\u540e\u4fe1\u53f7\u8d28\u91cf\u4f1a\u4e0b\u964d\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u4f4e\u9891RF\u6a21\u5757(\u5982433MHz)\u5728\u957f\u8ddd\u79bb\u901a\u4fe1\u7f51\u7edc\u4e2d\u8868\u73b0\u66f4\u4f73\uff0c\u80fd\u591f\u8986\u76d6\u8d85\u8fc77\u516c\u91cc\u7684\u8ddd\u79bb\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa 2.4GHz\u6a21\u5757\u5728\u4e0d\u540c\u73af\u5883\u6761\u4ef6\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb\u8868\u73b0\u51fa\u8272\uff0c\u5c24\u5176\u662f\u5728\u81ea\u7531\u7a7a\u95f4\u548c\u57ce\u5e02\u73af\u5883\u4e2d\u3002\u7136\u800c\uff0c\u5728\u5ba4\u5185\u73af\u5883\u4e2d\uff0c\u5176\u6027\u80fd\u53d7\u5230\u5899\u58c1\u548c\u5176\u4ed6\u969c\u788d\u7269\u7684\u5f71\u54cd\u8f83\u5927\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRa 2.4GHz\u6a21\u5757\u7684\u5929\u7ebf\u8bbe\u8ba1\u4ee5\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb?<\/h2>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u4f18\u5316LoRa 2.4GHz\u6a21\u5757\u7684\u5929\u7ebf\u8bbe\u8ba1\u4ee5\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\uff0c\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u8fdb\u884c\u6539\u8fdb\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u63d0\u9ad8\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u589e\u52a0\u53d1\u5c04\u529f\u7387\u662f\u63d0\u5347\u4f20\u8f93\u8ddd\u79bb\u7684\u6709\u6548\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u5c06LoRa\u7f51\u5173\u6a21\u5757\u7684\u53d1\u5c04\u529f\u7387\u4ece13 dBm\u63d0\u9ad8\u523019 dBm\uff0c\u901a\u4fe1\u8ddd\u79bb\u53ef\u4ee5\u5ef6\u957f\u5230\u539f\u6765\u7684\u4e24\u500d\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u589e\u52a0\u5929\u7ebf\u589e\u76ca<\/strong>\uff1a\u4f7f\u7528\u9ad8\u589e\u76ca\u5929\u7ebf\u53ef\u4ee5\u663e\u8457\u6269\u5927\u8986\u76d6\u533a\u57df\u3002\u5b9e\u9a8c\u8868\u660e\uff0c\u901a\u8fc7\u8c03\u6574\u5929\u7ebf\u589e\u76ca\u4ece1\u81f325\u5206\u8d1d\uff0c\u94fe\u8def\u9884\u7b97\u4ece141 dBm\u589e\u52a0\u5230166 dBm\uff0c\u8bc1\u660e\u4e86\u9ad8\u589e\u76ca\u5929\u7ebf\u5bf9\u6269\u5927\u8986\u76d6\u533a\u57df\u7684\u91cd\u8981\u6027\u3002\u6b64\u5916\uff0c\u5c06LoRa\u7f51\u5173\u7684\u53d1\u5c04\u5929\u7ebf\u589e\u76ca\u4ece3 dBi\u63d0\u9ad8\u52309 dBi\uff0c\u901a\u4fe1\u8ddd\u79bb\u4e5f\u5c06\u5ef6\u957f\u5230\u539f\u6765\u7684\u4e24\u500d\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f18\u5316\u5929\u7ebf\u5b89\u88c5\u4f4d\u7f6e<\/strong>\uff1a\u5929\u7ebf\u5e94\u5c3d\u91cf\u5782\u76f4\u5411\u4e0a\u5b89\u88c5\uff0c\u5e76\u8fdc\u79bb\u969c\u788d\u7269\u548c\u7535\u78c1\u5e72\u6270\u6e90\u3002\u4f8b\u5982\uff0c\u5929\u7ebf\u5b89\u88c5\u7ed3\u6784\u5bf9\u6a21\u5757\u6027\u80fd\u6709\u8f83\u5927\u5f71\u54cd\uff0c\u52a1\u5fc5\u4fdd\u8bc1\u5929\u7ebf\u5916\u9732\uff0c\u6700\u597d\u5782\u76f4\u5411\u4e0a\u3002\u6b64\u5916\uff0c\u5c3d\u91cf\u5c06LoRa\u7f51\u5173\u67b6\u8bbe\u5728\u697c\u9876\u6216\u94c1\u5854\u4e0a\uff0c\u5929\u7ebf\u8981\u4e0e\u5730\u9762\u5782\u76f4\uff0c\u5468\u56f4\u65e0\u906e\u6321\u4e3a\u6700\u4f73\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u51cf\u5c11\u9988\u7ebf\u63d2\u635f<\/strong>\uff1a\u5c04\u9891\u5370\u5236\u677f\u548c\u9988\u7ebf\u5747\u4e25\u683c\u6309\u716750\u6b27\u59c6\u8fdb\u884c\u963b\u6297\u5339\u914d\uff0c\u9009\u7528\u4f18\u8d28\u5c04\u9891\u8fde\u63a5\u5934\u5e76\u8fdb\u884c\u9632\u6c34\u5904\u7406\uff0c\u5c3d\u53ef\u80fd\u7f29\u77ed\u9988\u7ebf\u957f\u5ea6\uff0c\u9009\u7528\u635f\u8017\u66f4\u4f4e\u7684\u9988\u7ebf\u6750\u6599\uff0c\u8fd9\u4e9b\u63aa\u65bd\u90fd\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u9988\u7ebf\u63d2\u635f\uff0c\u4ece\u800c\u589e\u52a0\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u964d\u4f4e\u7a7a\u4e2d\u4f20\u64ad\u635f\u8017<\/strong>\uff1a\u4fdd\u8bc1\u89c6\u8ddd\u901a\u4fe1\u662f\u4e00\u4e2a\u6709\u6548\u63aa\u65bd\uff0c\u5373\u8c03\u6574LoRa\u7f51\u5173\u6a21\u5757\u5929\u7ebf\u4f4d\u7f6e\uff0c\u5c3d\u91cf\u51cf\u5c11\u5b83\u4e0e\u7f51\u5173\u4e4b\u95f4\u7684\u969c\u788d\u7269\u3002\u6b64\u5916\uff0c\u5c3d\u91cf\u4e0d\u8981\u8d34\u8fd1\u5730\u8868\u9762\uff0c\u5468\u8fb9\u6700\u597d\u8fdc\u79bb\u969c\u788d\u7269\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9009\u62e9\u5408\u9002\u7684\u8c03\u5236\u65b9\u5f0f\u548c\u6269\u9891\u56e0\u5b50<\/strong>\uff1aLoRa\u8c03\u5236\u89e3\u8c03\u5668\u57fa\u4e8eLoRa\u6269\u9891\u8c03\u5236\uff0c\u5177\u6709\u8f83\u957f\u7684\u901a\u4fe1\u8ddd\u79bb\u548c\u4f18\u5f02\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002\u5408\u7406\u9009\u62e9\u6269\u9891\u56e0\u5b50\u5bf9\u4e8e\u63a7\u5236\u6bd4\u7279\u9519\u8bef\u7387\u548c\u6570\u636e\u5305\u9519\u8bef\u7387\u540c\u6837\u91cd\u8981\u3002\u5b9e\u9a8c\u7ed3\u679c\u8868\u660e\uff0c\u5728\u6269\u9891\u56e0\u5b50\u4e3aSF=6\u65f6\uff0c\u6bd4\u7279\u9519\u8bef\u7387\u6700\u5c0f\u5316\uff0c\u5efa\u8bae\u4f7f\u7528\u8f83\u4f4e\u7684\u6269\u9891\u56e0\u5b50\u4ee5\u6700\u5c0f\u5316\u6bd4\u7279\u9519\u8bef\u7387\u548c\u6570\u636e\u5305\u9519\u8bef\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f18\u5316\u8282\u70b9\u7075\u654f\u5ea6<\/strong>\uff1a\u901a\u8fc7\u8c03\u6574\u8282\u70b9\u7075\u654f\u5ea6\u53ef\u4ee5\u663e\u8457\u589e\u52a0\u8986\u76d6\u8ddd\u79bb\u3002\u4f8b\u5982\uff0c\u5c06\u8282\u70b9\u7075\u654f\u5ea6\u4ece-124 dBm\u8c03\u6574\u5230-130 dBm\uff0c\u4f20\u611f\u5668\u8986\u76d6\u8ddd\u79bb\u4ece945\u7c73\u589e\u52a0\u52303986\u7c73\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 LoRa 2.4GHz\u6a21\u5757\u7684\u53d1\u5c04\u529f\u7387\u5bf9\u4f20\u8f93\u8ddd\u79bb\u7684\u5177\u4f53\u5f71\u54cd<\/h2>\n\n\n\n<p>\u3000\u3000LoRa 2.4GHz\u6a21\u5757\u7684\u53d1\u5c04\u529f\u7387\u5bf9\u4f20\u8f93\u8ddd\u79bb\u6709\u663e\u8457\u5f71\u54cd\u3002\u53ef\u4ee5\u603b\u7ed3\u51fa\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u7406\u60f3\u60c5\u51b5\u4e0b\uff0cLoRa\u4fe1\u53f7\u7684\u4f20\u64ad\u635f\u8017\u4e0e\u53d1\u5c04\u529f\u7387\u6210\u53cd\u6bd4\u3002\u8fd9\u610f\u5473\u7740\u5f53\u53d1\u5c04\u529f\u7387\u589e\u52a0\u65f6\uff0c\u4fe1\u53f7\u7684\u4f20\u64ad\u635f\u8017\u4f1a\u964d\u4f4e\uff0c\u4ece\u800c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\u3002\u4f8b\u5982\uff0c\u5728\u7406\u60f3\u6761\u4ef6\u4e0b\uff0c\u5f53\u53d1\u5c04\u529f\u7387\u4e3a10\u6beb\u74e6\u65f6\uff0c\u4fe1\u53f7\u7684\u4f20\u64ad\u635f\u8017\u4e3a20dB;\u800c\u5f53\u53d1\u5c04\u529f\u7387\u589e\u52a0\u523020\u6beb\u74e6\u65f6\uff0c\u4fe1\u53f7\u7684\u4f20\u64ad\u635f\u8017\u964d\u81f3184dB\uff0c\u8868\u660e\u4fe1\u53f7\u5f3a\u5ea6\u5728\u66f4\u8fdc\u7684\u8ddd\u79bb\u4e0a\u4ecd\u7136\u53ef\u4ee5\u4fdd\u6301\u5728\u53ef\u63a5\u53d7\u7684\u6c34\u5e73\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5c3d\u7ba1\u7406\u8bba\u4e0a\u53d1\u5c04\u529f\u7387\u5bf9\u4f20\u8f93\u8ddd\u79bb\u6709\u663e\u8457\u5f71\u54cd\uff0c\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u73af\u5883\u56e0\u7d20\u5982\u7a7a\u6c14\u4f20\u64ad\u635f\u8017\u3001\u5929\u7ebf\u589e\u76ca\u3001\u63a5\u6536\u5668\u7075\u654f\u5ea6\u3001\u8f7d\u6ce2\u9891\u7387\u4ee5\u53ca\u8def\u5f84\u969c\u788d\u7b49\u90fd\u4f1a\u5f71\u54cd\u6700\u7ec8\u7684\u4f20\u8f93\u8ddd\u79bb\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5929\u7ebf\u963b\u6297\u5339\u914d\u4e0d\u826f\u6216\u5468\u56f4\u6709\u91d1\u5c5e\u7269\u4f53\uff0c\u4f1a\u5bfc\u81f4\u4fe1\u53f7\u8870\u51cf\u4e25\u91cd\uff0c\u4ece\u800c\u7f29\u77ed\u901a\u4fe1\u8ddd\u79bb\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5b9e\u9a8c\u8868\u660e\uff0c\u572825mW\u529f\u7387\u4e0b\uff0cLoRa\u6a21\u5757\u5728500-600\u7c73\u8303\u56f4\u5185\u4ecd\u80fd\u4fdd\u6301\u826f\u597d\u7684\u4fe1\u53f7\u4f20\u8f93\u3002\u7136\u800c\uff0c\u5728\u5168\u529f\u7387\u4e0b(\u598218mW)\uff0cLoRa\u6a21\u5757\u57282.4GHz\u9891\u6bb5\u4e0a\u7684\u4fe1\u53f7\u8870\u51cf\u6700\u5feb\uff0c\u4f46\u572810\u516c\u91cc\u8303\u56f4\u5185\u4fdd\u6301\u7a33\u5b9a\uff0c\u4f18\u4e8e\u5176\u4ed6\u6a21\u5757\u3002\u8fd9\u8868\u660e\u867d\u7136\u53d1\u5c04\u529f\u7387\u589e\u52a0\u53ef\u4ee5\u63d0\u9ad8\u4f20\u8f93\u8ddd\u79bb\uff0c\u4f46\u5728\u957f\u8ddd\u79bb\u4f20\u8f93\u65f6\u80fd\u8017\u8f83\u9ad8\u4e14\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u7565\u663e\u8fdf\u7f13\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u6a21\u5757\u7684\u8bbe\u8ba1\u91cd\u70b9\u4e4b\u4e00\u662f\u53d1\u5c04\u529f\u7387\u4e0e\u63a5\u6536\u5668\u7075\u654f\u5ea6\u4e4b\u95f4\u7684\u5dee\u5f02\uff0c\u5373\u94fe\u8def\u9884\u7b97\u3002\u4f8b\u5982\uff0cLoRa SX1272\u53d1\u5c04\u5668(\u94fe\u8def\u9884\u7b97\u4e3a157 dB)\u7406\u8bba\u4e0a\u53ef\u4f20\u8f931946\u516c\u91cc\uff0c\u800cLoRa SX1262\u53d1\u5c04\u5668(\u94fe\u8def\u9884\u7b97\u4e3a170 dB)\u7406\u8bba\u4e0a\u53ef\u4f20\u8f938696\u516c\u91cc\u3002\u8fd9\u8fdb\u4e00\u6b65\u8bf4\u660e\u4e86\u53d1\u5c04\u529f\u7387\u5728\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u4f20\u8f93\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa 2.4GHz\u6a21\u5757\u7684\u53d1\u5c04\u529f\u7387\u5bf9\u4f20\u8f93\u8ddd\u79bb\u6709\u76f4\u63a5\u5f71\u54cd\u3002\u7406\u8bba\u4e0a\uff0c\u53d1\u5c04\u529f\u7387\u8d8a\u9ad8\uff0c\u4fe1\u53f7\u4f20\u64ad\u635f\u8017\u8d8a\u4f4e\uff0c\u4f20\u8f93\u8ddd\u79bb\u8d8a\u8fdc\u3002\u7136\u800c\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u73af\u5883\u56e0\u7d20\u548c\u8bbe\u5907\u8bbe\u8ba1\u4e5f\u4f1a\u5f71\u54cd\u6700\u7ec8\u7684\u4f20\u8f93\u6548\u679c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 LoRa 2.4GHz\u6a21\u5757\u5728\u5ba4\u5185\u73af\u5883\u4e2d\u7684\u6700\u4f73\u90e8\u7f72\u7b56\u7565<\/h2>\n\n\n\n<p>\u3000\u3000LoRa 2.4GHz\u6a21\u5757\u5728\u5ba4\u5185\u73af\u5883\u4e2d\u7684\u6700\u4f73\u90e8\u7f72\u7b56\u7565\u53ef\u4ee5\u4ece\u591a\u4e2a\u65b9\u9762\u8fdb\u884c\u8003\u8651\uff0c\u5305\u62ec\u901a\u4fe1\u8303\u56f4\u3001\u6570\u636e\u901f\u7387\u3001\u5b9a\u4f4d\u7cbe\u5ea6\u4ee5\u53ca\u4e0e\u5176\u4ed6\u6280\u672f\u7684\u517c\u5bb9\u6027\u7b49\u3002\u4ee5\u4e0b\u662f\u57fa\u4e8e\u73b0\u6709\u8d44\u6599\u7684\u8be6\u7ec6\u5206\u6790\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u901a\u4fe1\u8303\u56f4\u4e0e\u6570\u636e\u901f\u7387\u7684\u5e73\u8861<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u57282.4 GHz\u9891\u6bb5\u4e0b\u5177\u6709\u8f83\u9ad8\u7684\u6570\u636e\u901f\u7387\u548c\u8f83\u77ed\u7684\u901a\u4fe1\u8303\u56f4\uff0c\u8fd9\u4f7f\u5f97\u5b83\u975e\u5e38\u9002\u5408\u9700\u8981\u9ad8\u6570\u636e\u901f\u7387\u548c\u8f83\u957f\u901a\u4fe1\u8303\u56f4\u7684\u5e94\u7528\uff0c\u5982\u4ed3\u5e93\u7ba1\u7406\u548c\u65bd\u5de5\u73b0\u573a\u76d1\u63a7\u3002\u7136\u800c\uff0c\u7531\u4e8e2.4 GHz\u9891\u6bb5\u7684\u5e26\u5bbd\u8f83\u9ad8\uff0c\u4fe1\u53f7\u7684\u4e0a\u5347\u6cbf\u53ef\u4ee5\u66f4\u51c6\u786e\u5730\u786e\u5b9a\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u57fa\u4e8e\u65f6\u95f4\u7684\u5b9a\u4f4d\u65b9\u6cd5\u7684\u4f30\u8ba1\u8bef\u5dee\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u90e8\u7f72\u7f51\u5173\u6570\u91cf<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u5ba4\u5185\u73af\u5883\u4e2d\uff0c\u4e3a\u4e86\u5b9e\u73b0\u826f\u597d\u7684\u4f20\u8f93\u6548\u679c\uff0c\u589e\u52a0\u7f51\u5173\u7684\u6570\u91cf\u662f\u5fc5\u8981\u7684\u3002\u6b64\u5916\uff0c\u7531\u4e8eLoRa\u8bbe\u5907\u57282.4 GHz\u9891\u6bb5\u4e0b\u7684\u7a7f\u900f\u80fd\u529b\u8f83\u5f31\uff0c\u56e0\u6b64\u9700\u8981\u66f4\u591a\u7684LoRa\u63a5\u6536\u5668\u6765\u8986\u76d6\u8f83\u5927\u7684\u533a\u57df\u3002\u8fd9\u610f\u5473\u7740\u5728\u5927\u578b\u4ed3\u5e93\u6216\u5efa\u7b51\u4e2d\uff0c\u90e8\u7f72\u591a\u4e2a\u7f51\u5173\u4ee5\u786e\u4fdd\u4fe1\u53f7\u8986\u76d6\u662f\u5173\u952e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u4fe1\u53f7\u914d\u7f6e\u53c2\u6570\u7684\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u7269\u7406\u5c42\u7684\u591a\u4e2a\u53c2\u6570(\u5982\u6269\u9891\u56e0\u5b50SF\u3001\u53d1\u9001\u529f\u7387\u3001\u5e26\u5bbd\u3001\u7a7a\u4e2d\u901f\u7387\u548c\u6709\u6548\u8f7d\u8377\u957f\u5ea6)\u53ef\u4ee5\u8c03\u6574\u4ee5\u8fbe\u5230\u4e0d\u540c\u7684\u4f20\u8f93\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u901a\u8fc7\u8c03\u6574SF\u503c\uff0c\u53ef\u4ee5\u5728\u4e0d\u540c\u4f4d\u7f6e\u7684\u6a21\u5757\u4e4b\u95f4\u83b7\u5f97\u6700\u4f73\u7684\u901a\u4fe1\u6548\u679c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u5b9a\u4f4d\u7cbe\u5ea6\u7684\u63d0\u5347<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5229\u7528RSSI\u6307\u7eb9\u6cd5\u548c\u4eba\u5de5\u795e\u7ecf\u7f51\u7edc(ANN)\u8bad\u7ec3\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8LoRa\u5728\u5ba4\u5185\u5b9a\u4f4d\u4e2d\u7684\u7cbe\u5ea6\uff0c\u8fbe\u523095%\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u6539\u53d8LoRa\u914d\u7f6e\u53c2\u6570\u5e76\u4f7f\u7528Matlab\u62df\u5408RSSI\u8def\u5f84\u635f\u8017\u51fd\u6570\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e09\u8fb9\u5b9a\u4f4d\uff0c\u4ece\u800c\u63d0\u9ad8\u5b9a\u4f4d\u7cbe\u5ea6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30005.&nbsp;<strong>\u4e0e\u5176\u4ed6\u6280\u672f\u7684\u517c\u5bb9\u6027<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000LoRa\u4e0eWiFi\u548cZigbee\u57282.4 GHz\u9891\u6bb5\u4e0a\u7684\u5171\u5b58\u95ee\u9898\u53ef\u4ee5\u901a\u8fc7\u6d88\u606f\u4ea4\u6362\u4f18\u5316\u7f51\u7edc\u6027\u80fd\u3002\u6b64\u5916\uff0cLoRa\u8fd8\u53ef\u4ee5\u4e0e\u7a84\u5e26\u7269\u8054\u7f51(NB-IoT)\u7b49\u5176\u4ed6\u6280\u672f\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30006.&nbsp;<strong>\u786c\u4ef6\u8bbe\u5907\u7684\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u786c\u4ef6\u8bbe\u5907\u65b9\u9762\uff0c\u53cc\u9891(2.4 GHz\u548c5 GHz)\u7ec4\u5408\u53ef\u4ee5\u63d0\u9ad8\u5b9a\u4f4d\u6210\u529f\u7387\uff0c\u800c\u5355\u4e00\u9891\u7387\u5219\u6548\u679c\u8f83\u5dee\u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1\u5ba4\u5185\u90e8\u7f72\u65b9\u6848\u65f6\uff0c\u5e94\u8003\u8651\u91c7\u7528\u53cc\u9891\u8bbe\u5907\u4ee5\u63d0\u9ad8\u6574\u4f53\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa 2.4GHz\u6a21\u5757\u5728\u5ba4\u5185\u73af\u5883\u4e2d\u7684\u6700\u4f73\u90e8\u7f72\u7b56\u7565\u5e94\u5305\u62ec\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u589e\u52a0\u7f51\u5173\u6570\u91cf\u4ee5\u786e\u4fdd\u4fe1\u53f7\u8986\u76d6;<\/li>\n\n\n\n<li>\u3000\u3000\u8c03\u6574LoRa\u914d\u7f6e\u53c2\u6570\u4ee5\u4f18\u5316\u901a\u4fe1\u6548\u679c;<\/li>\n\n\n\n<li>\u3000\u3000\u5229\u7528RSSI\u6307\u7eb9\u6cd5\u548cANN\u8bad\u7ec3\u63d0\u9ad8\u5b9a\u4f4d\u7cbe\u5ea6;<\/li>\n\n\n\n<li>\u3000\u3000\u8003\u8651\u4e0e\u5176\u4ed6\u6280\u672f(\u5982WiFi\u3001Zigbee\u548cNB-IoT)\u7684\u517c\u5bb9\u6027;<\/li>\n\n\n\n<li>\u3000\u3000\u4f7f\u7528\u53cc\u9891\u8bbe\u5907\u4ee5\u63d0\u9ad8\u5b9a\u4f4d\u6210\u529f\u7387\u3002<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>oRa 2.4GHz\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u53d7\u5230\u591a\u79cd\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u5305\u62ec\u53d1\u5c04\u529f\u7387\u3001\u5929\u7ebf\u589e\u76ca\u3001\u73af\u5883\u6761\u4ef6\u3001\u6570\u636e\u901f\u7387\u548c\u9891\u8c31\u4f7f\u7528\u60c5\u51b5\u7b49\u3002\u5728\u7406\u60f3\u6761\u4ef6\u4e0b\uff0cLoRa 2.4GHz\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u5230\u51e0\u516c\u91cc<\/p>\n","protected":false},"author":1,"featured_media":98952,"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":[219,54],"class_list":["post-99209","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-24g","tag-l-2"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/99209","targetHints":{"allow":["GET"]}}],"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=99209"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/99209\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/98952"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=99209"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=99209"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=99209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}