{"id":100243,"date":"2025-01-06T18:04:56","date_gmt":"2025-01-06T10:04:56","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=100243"},"modified":"2025-01-06T18:05:00","modified_gmt":"2025-01-06T10:05:00","slug":"lcssjcdsds","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/100243.html","title":{"rendered":"LoRa\u4f20\u8f93\u6570\u636e\u957f\u5ea6\u662f\u591a\u5c11\uff1f"},"content":{"rendered":"\n

\u3000\u3000LoRa\u4f20\u8f93\u6570\u636e\u5305\u7684\u6700\u5927\u957f\u5ea6\u901a\u5e38\u4e3a256\u5b57\u8282<\/strong>\uff0c\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u7531\u4e8e\u4f20\u8f93\u901f\u7387\u8f83\u4f4e\uff0c\u4e00\u6b21\u4f20\u8f93256\u5b57\u8282\u53ef\u80fd\u9700\u8981\u6781\u957f\u7684\u65f6\u95f4\uff0c\u56e0\u6b64\u5efa\u8bae\u5c06\u957f\u6570\u636e\u5206\u5272\u6210\u6570\u6761\u5c0f\u6570\u636e\u8fdb\u884c\u4f20\u8f93\u3002\u6b64\u5916\uff0cLoRa<\/a>\u7684\u6570\u636e\u5305\u957f\u5ea6\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u548c\u914d\u7f6e\u5728\u51e0\u5b57\u8282\u5230\u51e0\u767e\u5b57\u8282\u4e4b\u95f4\u53d8\u5316\uff0c\u4f46\u5e38\u89c1\u7684\u6700\u5927\u957f\u5ea6\u4e3a256\u5b57\u8282\u6216255\u5b57\u8282\u3002\u5728\u67d0\u4e9b\u7279\u5b9a\u7684\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u5982\u4f7f\u7528FLRC\u6a21\u5f0f\uff0c\u6700\u5927\u6570\u636e\u5305\u957f\u5ea6\u4e3a127\u5b57\u8282\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa<\/a>\u4f20\u8f93\u6570\u636e\u5305\u7684\u6700\u5927\u957f\u5ea6\u901a\u5e38\u4e3a256\u5b57\u8282\u3002\u7136\u800c\uff0c\u5728\u67d0\u4e9b\u7279\u5b9a\u60c5\u51b5\u4e0b\uff0c\u4f8b\u5982\u4e2d\u56fdLoRa\u65e0\u7ebf\u7535\u89c4\u8303\u4e2d\uff0c\u7531\u4e8e\u53d1\u5c04\u6301\u7eed\u65f6\u957f\u4e0d\u8d85\u8fc71\u79d2\u7684\u8981\u6c42\uff0c\u6700\u5927\u5305\u957f\u5ea6\u53ef\u80fd\u4f1a\u53d7\u5230\u9650\u5236\u3002\u4f8b\u5982\uff0c\u5f53\u6269\u9891\u56e0\u5b50(SF)\u4e3a12\u65f6\uff0c\u6700\u5927\u5305\u957f\u5ea6\u4ece\u539f\u6765\u768459\u5b57\u8282\u53d8\u4e3a15\u5b57\u8282;\u5f53SF\u4e3a11\u65f6\uff0c\u6700\u5927\u5305\u957f\u5ea6\u4ece\u539f\u6765\u768459\u5b57\u8282\u53d8\u4e3a46\u5b57\u8282\u3002\u6b64\u5916\uff0cLoRa\u6a21\u5757\u7684\u6709\u6548\u8f7d\u8377\u90e8\u5206\u7684\u6700\u5927\u957f\u5ea6\u7531\u5730\u5740\u5bc4\u5b58\u5668\u4e2d\u7684\u8bbe\u7f6e\u51b3\u5b9a\uff0c\u901a\u5e38\u4e3a255\u5b57\u8282\u6216256\u5b57\u8282\u3002<\/p>\n\n\n\n

\"LoRa\"<\/figure>\n\n\n\n

\u3000\u3000\u4e00\u3001 LoRa\u4f20\u8f93\u901f\u7387\u5982\u4f55\u5f71\u54cd\u6570\u636e\u5305\u957f\u5ea6\u7684\u9009\u62e9?<\/h2>\n\n\n\n

\u3000\u3000LoRa\u4f20\u8f93\u901f\u7387<\/a><\/strong>\u5bf9\u6570\u636e\u5305\u957f\u5ea6\u7684\u9009\u62e9\u6709\u663e\u8457\u5f71\u54cd\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

\u3000\u30001. \u4f4e\u901f\u7387\u4f18\u5316\uff08LDR\u6216LRO\uff09<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5f53\u5355\u4e2a\u7b26\u53f7\u4f20\u8f93\u65f6\u95f4\u8d85\u8fc716\u6beb\u79d2\u65f6\uff0c\u5efa\u8bae\u542f\u7528\u4f4e\u901f\u7387\u4f18\u5316(LDR\u6216LRO)\u3002\u542f\u7528LDR\u6216LRO\u4f1a\u589e\u52a0\u6570\u636e\u5305\u7684\u53d1\u5c04\u65f6\u95f4\uff0c\u5373Payload\u957f\u5ea6\uff0c\u4ee5\u589e\u5f3a\u4f4e\u901f\u7387\u6761\u4ef6\u4e0b\u7684\u8fde\u63a5\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u7b26\u53f7\u65f6\u95f4\u5c0f\u4e8e16\u6beb\u79d2\u65f6\uff0c\u82e5\u65e0\u7279\u6b8a\u8981\u6c42\uff0c\u53ef\u4ee5\u8003\u8651\u542f\u7528LDR\u6216LRO\u4ee5\u9002\u5e94\u5927\u6570\u636e\u5305\uff0c\u5c3d\u7ba1\u8fd9\u53ef\u80fd\u727a\u7272\u4e00\u4e9b\u901f\u7387\u3002<\/p>\n\n\n\n

\u3000\u30002. \u524d\u5bfc\u7801\u957f\u5ea6<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u524d\u5bfc\u7801\u957f\u5ea6\u662f\u6570\u636e\u5305\u4e2d\u7528\u4e8e\u540c\u6b65\u63a5\u6536\u673a\u7684\u90e8\u5206\uff0c\u5176\u957f\u5ea6\u5bf9\u901a\u4fe1\u8ddd\u79bb\u548c\u540c\u6b65\u9c81\u68d2\u6027\u6709\u663e\u8457\u5f71\u54cd\u3002\u8f83\u957f\u7684\u524d\u5bfc\u7801\u6709\u52a9\u4e8e\u5728\u957f\u8ddd\u79bb\u901a\u4fe1\u4e2d\u63d0\u9ad8\u63a5\u6536\u673a\u540c\u6b65\u7684\u53ef\u9760\u6027\uff0c\u5c24\u5176\u662f\u5728\u4fe1\u9053\u6761\u4ef6\u4e0d\u4f73\u65f6\u3002<\/p>\n\n\n\n

\u3000\u3000\u7136\u800c\uff0c\u524d\u5bfc\u7801\u8d8a\u957f\uff0c\u4f20\u8f93\u65f6\u95f4\u8d8a\u957f\uff0c\u8fd9\u4f1a\u589e\u52a0\u53d1\u5c04\u5668\u548c\u63a5\u6536\u5668\u7684\u529f\u8017\u3002\u56e0\u6b64\uff0c\u5728\u529f\u8017\u654f\u611f\u7684\u5e94\u7528\u4e2d\uff0c\u9700\u8981\u5e73\u8861\u524d\u5bfc\u7801\u957f\u5ea6\u548c\u529f\u8017\u3002<\/p>\n\n\n\n

\u3000\u30003. \u6570\u636e\u5305\u957f\u5ea6\u9650\u5236<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000LoRa\u6a21\u5f0f\u4e2d\u6700\u5927\u6570\u636e\u5305\u957f\u5ea6\u4e3a256\u5b57\u8282\u3002\u5728\u4f4e\u6570\u636e\u901f\u7387\u914d\u7f6e\u4e0b\uff0c256\u5b57\u8282\u7684\u6709\u6548\u8f7d\u8377\u4f20\u8f93\u65f6\u95f4\u4f1a\u5f88\u957f(\u51e0\u79d2\u6216\u66f4\u957f)\uff0c\u8fd9\u5bf9\u4e8e\u6297\u8870\u843d\u548c\u9ad8\u5e72\u6270\u73af\u5883\u662f\u4e0d\u597d\u7684\u3002<\/p>\n\n\n\n

\u3000\u3000\u5efa\u8bae\u5c06\u957f\u6570\u636e\u5305\u5206\u6210\u591a\u4e2a\u77ed\u6570\u636e\u5305\u4ee5\u63d0\u9ad8\u6297\u8870\u843d\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n

\u3000\u30004. \u4e22\u5305\u7387\u95ee\u9898<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5f53\u6570\u636e\u5305\u5f88\u957f\u65f6\uff0c\u5176\u4e22\u5305\u7387\u4f1a\u5927\u5e45\u4e0a\u5347\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u98de\u884c\u957f\u5ea6\u4e3at\u7684\u6570\u636e\u5305\u5176\u4e22\u5305\u7387\u4e3a10%\uff0c\u90a3\u4e48\u98de\u884c\u957f\u5ea6\u4e3a5t\u7684\u6570\u636e\u5305\u4e22\u5305\u7387\u4e3a41%\u3002<\/p>\n\n\n\n

\u3000\u3000\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1\u6570\u636e\u5305\u957f\u5ea6\u65f6\uff0c\u9700\u8981\u8003\u8651\u4e22\u5305\u7387\u7684\u5f71\u54cd\uff0c\u907f\u514d\u8fc7\u957f\u7684\u6570\u636e\u5305\u5bfc\u81f4\u9ad8\u4e22\u5305\u7387\u3002<\/p>\n\n\n\n

\u3000\u30005. \u4fe1\u9053\u5bb9\u91cf\u548c\u65e0\u7ebf\u7535\u7ba1\u7406\u89c4\u8303<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u6839\u636eLoRaWAN\u534f\u8bae\uff0c\u5728\u4f4e\u901f\u7387\u6761\u4ef6\u4e0b\u5141\u8bb8\u53d1\u9001\u7684\u5305\u957f\u5ea6\u53ea\u670951B\u3002\u5f53\u6570\u636e\u5305\u957f\u5ea6\u8d85\u8fc71\u79d2\u4e0d\u7b26\u5408\u65e0\u7ebf\u7535\u7ba1\u7406\u89c4\u8303\uff0c\u4e14\u4e22\u5305\u7387\u4f1a\u663e\u8457\u589e\u52a0\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u4f20\u8f93\u901f\u7387\u5bf9\u6570\u636e\u5305\u957f\u5ea6\u7684\u9009\u62e9\u6709\u91cd\u8981\u5f71\u54cd\u3002\u5728\u4f4e\u901f\u7387\u6761\u4ef6\u4e0b\uff0c\u5efa\u8bae\u542f\u7528\u4f4e\u901f\u7387\u4f18\u5316\u4ee5\u589e\u5f3a\u8fde\u63a5\u7a33\u5b9a\u6027\uff0c\u5e76\u6839\u636e\u5177\u4f53\u5e94\u7528\u573a\u666f\u5408\u7406\u914d\u7f6e\u524d\u5bfc\u7801\u957f\u5ea6\u548c\u6570\u636e\u5305\u957f\u5ea6\uff0c\u4ee5\u5e73\u8861\u4f20\u8f93\u65f6\u95f4\u3001\u529f\u8017\u548c\u4e22\u5305\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 \u5982\u4f55\u5c06\u957f\u6570\u636e\u5206\u5272\u6210\u6570\u6761\u5c0f\u6570\u636e\u8fdb\u884cLoRa\u4f20\u8f93?<\/h2>\n\n\n\n

\u3000\u3000\u8981\u5c06\u957f\u6570\u636e\u5206\u5272\u6210\u6570\u6761\u5c0f\u6570\u636e\u8fdb\u884cLoRa\u4f20\u8f93\uff0c\u53ef\u4ee5\u53c2\u8003\u4ee5\u4e0b\u6b65\u9aa4\u548c\u65b9\u6cd5\uff1a<\/p>\n\n\n\n

\u3000\u30001. \u6570\u636e\u5206\u5272<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5c06\u957f\u6570\u636e\u5305\u5212\u5206\u4e3a\u591a\u4e2a\u5c0f\u7684\u6570\u636e\u5305\u3002\u6bcf\u4e2a\u5c0f\u6570\u636e\u5305\u7684\u5927\u5c0f\u5e94\u6839\u636eLoRa\u6a21\u5757\u7684\u8d1f\u8f7d\u957f\u5ea6\u9650\u5236\u8fdb\u884c\u8c03\u6574\u3002\u4f8b\u5982\uff0c\u57fa\u4e8eSemtech SX1276 LoRa\u82af\u7247\u7684\u65b9\u6848\uff0c\u867d\u7136\u7406\u8bba\u4e0a\u53ef\u4ee5\u53d1\u9001\u6216\u63a5\u6536256\u5b57\u8282\u7684\u6570\u636e\uff0c\u4f46\u5728\u5b9e\u9645\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0c\u7531\u4e8eLoRa\u6a21\u5757\u7684\u8d1f\u8f7d\u957f\u5ea6\u9650\u5236\uff0c\u65e0\u6cd5\u5728\u6240\u6709\u4f20\u8f93\u901f\u7387\u4e0b\u4fdd\u6301256\u5b57\u8282\u7684\u5b8c\u6574\u6570\u636e\u4f20\u8f93\u3002\u56e0\u6b64\uff0c\u5efa\u8bae\u5c06\u957f\u6570\u636e\u5206\u5272\u6210\u66f4\u5c0f\u7684\u6570\u636e\u5305\u3002<\/p>\n\n\n\n

\u3000\u30002. \u5e8f\u5217\u5316\u5904\u7406<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5728\u6bcf\u4e2a\u5c0f\u6570\u636e\u5305\u7684\u5934\u90e8\u6dfb\u52a0\u4e00\u4e2a\u5e8f\u5217\u53f7(segment number)\uff0c\u4ee5\u4fbf\u63a5\u6536\u7aef\u80fd\u591f\u8bc6\u522b\u5e76\u6309\u987a\u5e8f\u7ec4\u88c5\u8fd9\u4e9b\u6570\u636e\u5305\u3002\u4f8b\u5982\uff0c\u5728\u4f20\u8f93\u56fe\u50cf\u6216\u5176\u4ed6\u6587\u4ef6\u65f6\uff0c\u63a5\u6536\u7aef\u9700\u8981\u786e\u4fdd\u63a5\u6536\u5230\u7684\u6570\u636e\u5305\u662f\u6309\u6b63\u786e\u7684\u987a\u5e8f\u7ec4\u88c5\u7684\u3002<\/p>\n\n\n\n

\u3000\u30003. \u524d\u5411\u7ea0\u9519\u7f16\u7801\uff08FEC\uff09<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5728\u6570\u636e\u5305\u5206\u7ec4\u5efa\u7acb\u540e\uff0c\u6ce8\u5165\u524d\u5411\u7ea0\u9519\u7f16\u7801\u4ee5\u4fdd\u969c\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002\u8fd9\u4e00\u6b65\u9aa4\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n

\u3000\u30004. \u6269\u9891\u8c03\u5236<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u4f7f\u7528LoRa\u8c03\u5236\u89e3\u8c03\u5668\u5c06\u5206\u7ec4\u6570\u636e\u5305\u4e2d\u7684\u6bcf\u4e00\u6bd4\u7279\u9988\u5165\u4e00\u4e2a\u201c\u5c55\u6269\u5668\u201d\u4e2d\uff0c\u5c06\u6bcf\u4e00\u6bd4\u7279\u65f6\u95f4\u5212\u5206\u4e3a\u4f17\u591a\u7801\u7247\u3002\u901a\u8fc7\u4f7f\u7528\u6269\u9891\u56e0\u5b50\uff0c\u53ef\u4ee5\u5c06\u5c0f\u5bb9\u91cf\u6570\u636e\u901a\u8fc7\u5927\u8303\u56f4\u7684\u65e0\u7ebf\u7535\u9891\u8c31\u4f20\u8f93\u51fa\u53bb\u3002<\/p>\n\n\n\n

\u3000\u30005. \u4f20\u8f93\u63a7\u5236<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5728\u4e0a\u884c\u65b9\u5411\uff0cLoRa\u8282\u70b9\u6a21\u5757\u5c06\u6570\u636e\u5206\u7247\u4e3a\u56fa\u5b9a\u957f\u5ea6\u7684\u77ed\u62a5\u6587\u53d1\u9001\u7ed9LoRa\u7f51\u5173\u3002\u5f53\u4e0a\u884c\u6570\u636e\u5206\u7247\u6216\u4e0b\u884c\u6570\u636e\u5206\u7247\u4f20\u8f93\u5931\u8d25\u65f6\uff0c\u8fdb\u884c\u5206\u7247\u62a5\u6587\u91cd\u4f20\u3002<\/p>\n\n\n\n

\u3000\u30006. \u8def\u7531\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5728\u591a\u4e2aLoRa\u8282\u70b9\u4e4b\u95f4\u8fdb\u884c\u5e76\u53d1\u901a\u4fe1\u65f6\uff0c\u5408\u7406\u9009\u62e9\u901a\u4fe1\u8def\u5f84\u548c\u8def\u7531\u7b56\u7565\u975e\u5e38\u91cd\u8981\u3002\u901a\u8fc7\u4f18\u5316\u8def\u7531\u9009\u62e9\u7b97\u6cd5\uff0c\u53ef\u4ee5\u51cf\u5c11\u901a\u4fe1\u8def\u5f84\u7684\u957f\u5ea6\u548c\u8282\u70b9\u4e4b\u95f4\u7684\u5e72\u6270\uff0c\u4ece\u800c\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\u3002<\/p>\n\n\n\n

\u3000\u30007. \u6570\u636e\u7ec4\u88c5<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5728\u63a5\u6536\u7aef\uff0c\u5bf9\u63a5\u6536\u5230\u7684\u5c0f\u6570\u636e\u5305\u8fdb\u884c\u7ec4\u88c5\uff0c\u4fdd\u8bc1\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002\u63a5\u6536\u7aef\u9700\u8981\u77e5\u9053\u6bcf\u4e2a\u6570\u636e\u5305\u7684\u5e8f\u5217\u53f7\uff0c\u5e76\u6309\u987a\u5e8f\u7ec4\u88c5\u8fd9\u4e9b\u6570\u636e\u5305\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 FLRC\u6a21\u5f0f\u5728LoRa\u4e2d\u7684\u5e94\u7528\u53ca\u5176\u5bf9\u6700\u5927\u6570\u636e\u5305\u957f\u5ea6\u7684\u5f71\u54cd\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

\u3000\u3000FLRC(Frequency Modulated Continuous Wave)\u6a21\u5f0f\u5728LoRa\u4e2d\u7684\u5e94\u7528\u4e3b\u8981\u662f\u4e3a\u4e86\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u901a\u4fe1\u8ddd\u79bb\u3002\u4e0e\u4f20\u7edf\u7684LoRa\u8c03\u5236\u65b9\u5f0f\u76f8\u6bd4\uff0cFLRC\u6a21\u5f0f\u901a\u8fc7\u4f7f\u7528\u76f8\u5e72MSK(Minimum Shift Keying)\u89e3\u8c03\u5668\u548c\u524d\u5411\u7ea0\u9519\u6280\u672f\uff0c\u80fd\u591f\u5728\u4fdd\u6301\u76f8\u540c\u7075\u654f\u5ea6\u7684\u60c5\u51b5\u4e0b\u63d0\u4f9b\u66f4\u9ad8\u7684\u6709\u6548\u6570\u636e\u901f\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728FLRC\u6a21\u5f0f\u4e0b\uff0c\u6700\u5927\u6570\u636e\u5305\u957f\u5ea6\u53d7\u5230\u9650\u5236\u3002\u5177\u4f53\u6765\u8bf4\uff0cFLRC\u6a21\u5f0f\u7684\u6700\u5927\u6570\u636e\u5305\u957f\u5ea6\u4e3a127\u5b57\u8282\uff0c\u5176\u4e2d\u5305\u542b6\u5b57\u8282\u7684\u5934\u90e8\u548c4\u5b57\u8282\u7684\u7f51\u7edcID\u53ca\u6709\u6548\u8f7d\u8377CRC\u6821\u9a8c\uff0c\u56e0\u6b64\u5b9e\u9645\u7684\u6570\u636e\u6709\u6548\u8f7d\u8377\u6700\u5927\u4e3a117\u5b57\u8282\u3002\u8fd9\u79cd\u9650\u5236\u662f\u7531\u4e8eFLRC\u6a21\u5f0f\u7684\u7279\u6b8a\u8bbe\u8ba1\u548c\u5b9e\u73b0\u65b9\u5f0f\u6240\u51b3\u5b9a\u7684\uff0c\u65e8\u5728\u5e73\u8861\u6570\u636e\u901f\u7387\u548c\u901a\u4fe1\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u6b64\u5916\uff0cFLRC\u6a21\u5f0f\u5728\u5904\u7406\u6570\u636e\u5305\u9519\u8bef\u65f6\u4e5f\u5b58\u5728\u4e00\u4e9b\u6311\u6218\u3002\u4e3a\u4e86\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\uff0c\u9700\u8981\u5bf9\u73b0\u6709\u7684SX128X\u5e93\u8fdb\u884c\u4e00\u4e9b\u4fee\u6539\uff0c\u4ee5\u4fbf\u80fd\u591f\u5904\u7406FLRC\u6a21\u5f0f\u4e0b\u7684\u6570\u636e\u5305\u9519\u8bef\uff0c\u5e76\u5b9e\u73b0\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u529f\u80fd\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001 LoRa\u6570\u636e\u5305\u957f\u5ea6\u914d\u7f6e\u7684\u5177\u4f53\u9700\u6c42\u548c\u65b9\u6cd5\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n

\u3000\u3000LoRa\u6570\u636e\u5305\u957f\u5ea6\u914d\u7f6e\u7684\u5177\u4f53\u9700\u6c42\u548c\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u3000\u30001. \u524d\u5bfc\u7801\u957f\u5ea6<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u524d\u5bfc\u7801\u7528\u4e8e\u4fdd\u6301\u63a5\u6536\u673a\u4e0e\u8f93\u5165\u6570\u636e\u6d41\u540c\u6b65\uff0c\u901a\u5e38\u9ed8\u8ba4\u957f\u5ea6\u4e3a12\u4e2a\u7b26\u53f7\u3002\u7136\u800c\uff0c\u524d\u5bfc\u7801\u957f\u5ea6\u662f\u53ef\u7f16\u7a0b\u7684\uff0c\u53ef\u4ee5\u6839\u636e\u5e94\u7528\u9700\u6c42\u8fdb\u884c\u8c03\u6574\u3002\u4f8b\u5982\uff0c\u5728\u63a5\u6536\u5bc6\u96c6\u578b\u5e94\u7528\u4e2d\uff0c\u4e3a\u4e86\u51cf\u5c11\u63a5\u6536\u673a\u7684\u5360\u7a7a\u6bd4\uff0c\u53ef\u4ee5\u7f29\u77ed\u524d\u5bfc\u7801\u957f\u5ea6\u3002\u4f46\u662f\uff0c\u524d\u5bfc\u7801\u7684\u6700\u5c0f\u5141\u8bb8\u957f\u5ea6\u53ef\u4ee5\u6ee1\u8db3\u6240\u6709\u901a\u4fe1\u9700\u6c42\u3002<\/p>\n\n\n\n

\u3000\u3000\u63a5\u6536\u7aef\u914d\u7f6e\u7684\u524d\u5bfc\u7801\u957f\u5ea6\u5fc5\u987b\u5927\u4e8e\u7b49\u4e8e\u53d1\u9001\u7aef\u7684\u524d\u5bfc\u7801\u957f\u5ea6\uff0c\u4ee5\u786e\u4fdd\u63a5\u6536\u7aef\u80fd\u591f\u63a5\u6536\u5230\u6570\u636e\u3002<\/p>\n\n\n\n

\u3000\u3000\u5982\u679c\u524d\u5bfc\u7801\u957f\u5ea6\u672a\u77e5\u6216\u53ef\u80fd\u53d8\u5316\uff0c\u5219\u5e94\u5728\u63a5\u6536\u5668\u7aef\u7f16\u7a0b\u8bbe\u5b9a\u6700\u5927\u524d\u5bfc\u7801\u957f\u5ea6\u3002<\/p>\n\n\n\n

\u3000\u30002. \u6709\u6548\u8f7d\u8377\u957f\u5ea6<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000LoRa\u6570\u636e\u5305\u7684\u6709\u6548\u8f7d\u8377\u957f\u5ea6\u662f\u53ef\u53d8\u7684\uff0c\u53ef\u4ee5\u901a\u8fc7\u663e\u5f0f\u62a5\u5934\u6a21\u5f0f\u4e0b\u7684\u62a5\u5934\u6216\u9690\u5f0f\u6a21\u5f0f\u4e0b\u7684\u5bc4\u5b58\u5668\u8bbe\u7f6e\u6765\u51b3\u5b9a\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u663e\u5f0f\u62a5\u5934\u6a21\u5f0f\u4e0b\uff0c\u6709\u6548\u8f7d\u8377\u957f\u5ea6\u3001\u524d\u5411\u7ea0\u9519\u7f16\u7801\u7387\u548cCRC\u4fe1\u606f\u90fd\u4f1a\u5728\u62a5\u5934\u4e2d\u660e\u786e\u6307\u51fa\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u9690\u5f0f\u62a5\u5934\u6a21\u5f0f\u4e0b\uff0c\u9700\u8981\u624b\u52a8\u8bbe\u7f6e\u4e24\u7aef\u7684\u53c2\u6570\uff0c\u4f46\u4ec5\u9650\u4e8e\u6269\u9891\u56e0\u5b50SF\u4e3a6\u65f6\u4f7f\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000LoRa\u8bbe\u5907\u5728LoRa\u6a21\u5f0f\u4e2d\u6709\u4e00\u4e2a256\u5b57\u8282\u7684FIFO\u7f13\u51b2\u533a\uff0c\u7406\u8bba\u4e0a\u6240\u6709\u7684256\u5b57\u8282\u90fd\u53ef\u4ee5\u7528\u4e8eTX\u6216RX\u3002\u7136\u800c\uff0c\u7528\u4f4e\u6570\u636e\u901f\u7387\u914d\u7f6e\u65f6\uff0c256\u5b57\u8282\u6709\u6548\u8f7d\u8377\u7684\u4f20\u8f93\u65f6\u95f4\u5c06\u4f1a\u5f88\u957f(\u51e0\u79d2\u6216\u66f4\u957f)\uff0c\u8fd9\u5bf9\u4e8e\u6297\u8870\u843d\u548c\u9ad8\u5e72\u6270\u73af\u5883\u662f\u4e0d\u597d\u7684\u3002<\/p>\n\n\n\n

\u3000\u30003. \u6570\u636e\u5305\u7ed3\u6784<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000LoRa\u6570\u636e\u5305\u5305\u542b\u524d\u5bfc\u7801\u3001\u6570\u636e\u62a5\u5934\u548c\u6570\u636e\u6709\u6548\u8d1f\u8f7d\u4e09\u4e2a\u90e8\u5206\u3002<\/p>\n\n\n\n

\u3000\u3000\u524d\u5bfc\u7801\u7528\u4e8e\u4fdd\u6301\u63a5\u6536\u673a\u4e0e\u8f93\u5165\u6570\u636e\u6d41\u540c\u6b65\uff0c\u901a\u5e38\u9ed8\u8ba4\u957f\u5ea6\u4e3a12\u4e2a\u7b26\u53f7\uff0c\u4f46\u53ef\u4ee5\u6839\u636e\u5e94\u7528\u9700\u6c42\u8c03\u6574\u3002<\/p>\n\n\n\n

\u3000\u3000\u6570\u636e\u62a5\u5934\u63d0\u4f9b\u6709\u6548\u8f7d\u8377\u4fe1\u606f\uff0c\u5305\u62ec\u6709\u6548\u8f7d\u8377\u957f\u5ea6\u3001\u524d\u5411\u7ea0\u9519\u7f16\u7801\u7387\u548cCRC\u3002<\/p>\n\n\n\n

\u3000\u3000\u6570\u636e\u6709\u6548\u8d1f\u8f7d\u5305\u542b\u5b9e\u9645\u9700\u8981\u4f20\u8f93\u7684\u6570\u636e\u5185\u5bb9\u3002<\/p>\n\n\n\n

\u3000\u30004. \u914d\u7f6e\u65b9\u6cd5<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5728\u6784\u5efa\u6570\u636e\u5305\u65f6\uff0c\u9700\u8981\u8003\u8651\u8d77\u59cb\u5e27\u3001\u6570\u636e\u957f\u5ea6\u3001\u6570\u636e\u8f7d\u8377\u3001\u6821\u9a8c\u548c\u548c\u7ed3\u675f\u5e27\u7b49\u5173\u952e\u5143\u7d20\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728sx1262\u82af\u7247\u7f16\u7a0b\u65f6\uff0c\u6570\u636e\u5305\u7684\u6784\u5efa\u901a\u5e38\u6d89\u53ca\u5230\u5bc4\u5b58\u5668\u7684\u914d\u7f6e\u548c\u6570\u636e\u7f13\u51b2\u533a\u7684\u7ba1\u7406\u3002<\/p>\n\n\n\n

\u3000\u3000\u901a\u8fc7\u5408\u7406\u914d\u7f6e\u6570\u636e\u5305\u957f\u5ea6\u3001\u6570\u636e\u901f\u7387\u548c\u6269\u9891\u56e0\u5b50\u7b49\u53c2\u6570\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u9ad8\u6548\u3001\u66f4\u53ef\u9760\u7684\u901a\u4fe1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

LoRa\u4f20\u8f93\u6570\u636e\u5305\u7684\u6700\u5927\u957f\u5ea6\u901a\u5e38\u4e3a256\u5b57\u8282\uff0c\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u7531\u4e8e\u4f20\u8f93\u901f\u7387\u8f83\u4f4e\uff0c\u4e00\u6b21\u4f20\u8f93256\u5b57\u8282\u53ef\u80fd\u9700\u8981\u6781\u957f\u7684\u65f6\u95f4\uff0c\u56e0\u6b64\u5efa\u8bae\u5c06\u957f\u6570\u636e\u5206\u5272\u6210\u6570\u6761\u5c0f\u6570\u636e\u8fdb\u884c\u4f20\u8f93<\/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],"class_list":["post-100243","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-l-2"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/100243","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=100243"}],"version-history":[{"count":1,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/100243\/revisions"}],"predecessor-version":[{"id":100244,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/100243\/revisions\/100244"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/97633"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=100243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=100243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=100243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}