{"id":99164,"date":"2024-11-14T00:50:16","date_gmt":"2024-11-13T16:50:16","guid":{"rendered":"\/\/www.dealsbon.com\/?p=99164"},"modified":"2024-11-14T00:50:23","modified_gmt":"2024-11-13T16:50:23","slug":"lwxtxmkdtd","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/99164.html","title":{"rendered":"LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7684\u7279\u70b9"},"content":{"rendered":"\n<p>\u3000\u3000<strong><a href=\"\/\/www.dealsbon.com\/blog\/99159.html\" data-type=\"post\" data-id=\"99159\">LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757<\/a><\/strong>\u5177\u6709\u4ee5\u4e0b\u51e0\u4e2a\u663e\u8457<strong>\u7279\u70b9<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u957f\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1aLoRa\u6a21\u5757\u80fd\u591f\u5728\u65e0\u906e\u6321\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u8d85\u8fdc\u8ddd\u79bb\u7684\u65e0\u7ebf\u4f20\u8f93\uff0c\u901a\u5e38\u53ef\u8fbe\u6570\u516c\u91cc\u751a\u81f3\u6570\u5341\u516c\u91cc\u3002\u4f8b\u5982\uff0c\u5728\u7406\u60f3\u6761\u4ef6\u4e0b\uff0cLoRa\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52305\u516c\u91cc\u4ee5\u4e0a\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f4e\u529f\u8017<\/strong>\uff1aLoRa\u6a21\u5757\u5728\u4fdd\u6301\u957f\u8ddd\u79bb\u901a\u4fe1\u7684\u540c\u65f6\uff0c\u529f\u8017\u975e\u5e38\u4f4e\uff0c\u975e\u5e38\u9002\u5408\u4f7f\u7528\u7535\u6c60\u4f9b\u7535\u7684\u8bbe\u5907\u3002\u8fd9\u79cd\u4f4e\u529f\u8017\u7279\u6027\u4f7f\u5f97LoRa\u6a21\u5757\u5728\u7269\u8054\u7f51\u5e94\u7528\u4e2d\u80fd\u591f\u5ef6\u957f\u8bbe\u5907\u7684\u4f7f\u7528\u5bff\u547d\uff0c\u51cf\u5c11\u66f4\u6362\u7535\u6c60\u7684\u9891\u7387\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9ad8\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1aLoRa\u6a21\u5757\u91c7\u7528\u6269\u9891\u8c03\u5236\u6280\u672f\u548c\u524d\u5411\u7ea0\u9519\u6280\u672f\uff0c\u4f7f\u5176\u5728\u590d\u6742\u73af\u5883\u4e2d\u5177\u6709\u5f3a\u5927\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002\u8fd9\u4f7f\u5f97LoRa\u6a21\u5757\u80fd\u591f\u5728\u566a\u58f0\u73af\u5883\u4e2d\u7a33\u5b9a\u4f20\u8f93\u6570\u636e\uff0c\u786e\u4fdd\u901a\u4fe1\u7684\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9ad8\u7075\u654f\u5ea6<\/strong>\uff1aLoRa\u6a21\u5757\u7684\u6269\u9891\u8c03\u5236\u65b9\u5f0f\u4f7f\u5176\u5728\u76f8\u540c\u6570\u636e\u901f\u7387\u4e0b\u6bd4\u4f20\u7edfFSK\u8c03\u5236\u65b9\u5f0f\u5177\u6709\u66f4\u9ad8\u7684\u7075\u654f\u5ea6\uff0c\u80fd\u591f\u63a5\u6536\u66f4\u5fae\u5f31\u7684\u4fe1\u53f7\uff0c\u4ece\u800c\u63d0\u9ad8\u901a\u4fe1\u7684\u53ef\u9760\u6027\u548c\u8986\u76d6\u8303\u56f4\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f4e\u6210\u672c<\/strong>\uff1a\u76f8\u6bd4\u4e8e\u5176\u4ed6\u65e0\u7ebf\u901a\u4fe1\u6280\u672f\uff0cLoRa\u6a21\u5757\u7684\u6210\u672c\u8f83\u4f4e\uff0c\u8fd9\u4f7f\u5176\u5728\u5927\u89c4\u6a21\u7269\u8054\u7f51\u5e94\u7528\u4e2d\u66f4\u5177\u4f18\u52bf\u3002\u4f4e\u6210\u672c\u7279\u6027\u6709\u52a9\u4e8e\u964d\u4f4e\u6574\u4f53\u7f51\u7edc\u90e8\u7f72\u548c\u7ef4\u62a4\u7684\u6210\u672c\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u652f\u6301\u591a\u79cd\u901a\u4fe1\u6a21\u5f0f<\/strong>\uff1aLoRa\u6a21\u5757\u652f\u6301\u70b9\u5bf9\u70b9\u3001\u70b9\u5bf9\u591a\u70b9\u7b49\u591a\u79cd\u901a\u4fe1\u6a21\u5f0f\uff0c\u5e76\u4e14\u53ef\u4ee5\u7075\u6d3b\u914d\u7f6e\u53d1\u5c04\u529f\u7387\u548c\u6570\u636e\u901f\u7387\uff0c\u4ee5\u9002\u5e94\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6613\u4e8e\u96c6\u6210\u548c\u90e8\u7f72<\/strong>\uff1aLoRa\u6a21\u5757\u6613\u4e8e\u4e0e\u5404\u79cd\u4f20\u611f\u5668\u3001\u63a7\u5236\u5668\u7b49\u8bbe\u5907\u96c6\u6210\uff0c\u652f\u6301\u591a\u79cd\u63a5\u53e3\u534f\u8bae(\u5982SPI\u3001UART\u3001IPEX\u7b49)\uff0c\u4fbf\u4e8e\u7cfb\u7edf\u96c6\u6210\u548c\u6269\u5c55\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7f51\u7edc\u5bb9\u91cf\u5927<\/strong>\uff1a\u4e00\u4e2aLoRa\u7f51\u5173\u53ef\u4ee5\u540c\u65f6\u8fde\u63a5\u6210\u5343\u4e0a\u4e07\u4e2aLoRa\u7ec8\u7aef\u8bbe\u5907\uff0c\u652f\u6301\u5927\u89c4\u6a21\u8bbe\u5907\u63a5\u5165\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5927\u91cf\u8282\u70b9\u7684\u7269\u8054\u7f51\u5e94\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u5c3d\u7ba1LoRa\u6a21\u5757\u5177\u6709\u4e0a\u8ff0\u4f18\u70b9\uff0c\u4f46\u4e5f\u5b58\u5728\u4e00\u4e9b\u5c40\u9650\u6027\uff0c\u5982\u4f20\u8f93\u901f\u7387\u8f83\u4f4e\uff0c\u4e0d\u9002\u5408\u9700\u8981\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\u573a\u666f\u3002\u603b\u4f53\u800c\u8a00\uff0cLoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u51ed\u501f\u5176\u957f\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u3001\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u548c\u4f4e\u6210\u672c\u7b49\u7279\u70b9\uff0c\u5728\u7269\u8054\u7f51\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"726\" height=\"450\" src=\"\/\/www.dealsbon.com\/wp-content\/uploads\/2024\/11\/wwtx241108a.jpg\" alt=\"\u65e0\u7f51\u901a\u4fe1\u6280\u672f\" class=\"wp-image-98952\" srcset=\"\/\/www.dealsbon.com\/wp-content\/uploads\/2024\/11\/wwtx241108a.jpg 726w, \/\/www.dealsbon.com\/wp-content\/uploads\/2024\/11\/wwtx241108a-300x186.jpg 300w, \/\/www.dealsbon.com\/wp-content\/uploads\/2024\/11\/wwtx241108a-600x372.jpg 600w\" sizes=\"(max-width: 726px) 100vw, 726px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5728\u4e0d\u540c\u73af\u5883\u6761\u4ef6\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb\u53d8\u5316\u662f\u5982\u4f55\u7684?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5728\u4e0d\u540c\u73af\u5883\u6761\u4ef6\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb\u53d8\u5316\u4e3b\u8981\u53d7\u5230\u591a\u79cd\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u5305\u62ec\u73af\u5883\u969c\u788d\u7269\u3001\u5929\u6c14\u6761\u4ef6\u3001\u5929\u7ebf\u89d2\u5ea6\u548c\u4f4d\u7f6e\u7b49\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u5206\u6790\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u7406\u60f3\u73af\u5883\u4e2d\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u5230\u7406\u8bba\u4e0a\u7684\u6700\u5927\u503c\uff0c\u4f8b\u5982\u4f4e\u7801\u7387\u4f20\u8f93\u53ef\u4ee5\u8fbe\u523015\u516c\u91cc\u3002\u7136\u800c\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u7531\u4e8e\u73af\u5883\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u4f20\u8f93\u8ddd\u79bb\u901a\u5e38\u53ea\u80fd\u8fbe\u5230\u7ea65\u516c\u91cc\u3002\u8fd9\u8868\u660e\u5728\u5b9e\u9645\u4f7f\u7528\u8fc7\u7a0b\u4e2d\uff0c\u73af\u5883\u56e0\u7d20\u5bf9LoRa\u4f20\u8f93\u8ddd\u79bb\u6709\u663e\u8457\u5f71\u54cd\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u73af\u5883\u4e2d\u7684\u969c\u788d\u7269\u4f1a\u663e\u8457\u5f71\u54cdLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u3002\u4f8b\u5982\uff0c\u5728\u57ce\u5e02\u573a\u666f\u4e2d\uff0c\u4f7f\u7528\u4f4e\u6570\u636e\u901f\u7387(DR0)\u65f6\uff0c\u8986\u76d6\u8303\u56f4\u589e\u52a0\u4e86132%\uff0c\u800c\u5728\u519c\u6751\u573a\u666f\u4e2d\uff0c\u6700\u5927\u8fde\u63a5\u70b9\u8ddd\u79bb\u8fbe\u523018.5\u516c\u91cc\u3002\u8fd9\u8bf4\u660e\u5728\u5f00\u9614\u73af\u5883\u4e2d\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u66f4\u8fdc\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5929\u7ebf\u7684\u89d2\u5ea6\u548c\u4f4d\u7f6e\u4e5f\u4f1a\u5f71\u54cdLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u3002\u4f8b\u5982\uff0c\u5728\u8fdc\u8ddd\u79bb\u901a\u4fe1\u8fc7\u7a0b\u4e2d\uff0c\u5f53LoRa\u7ec8\u7aef\u5929\u7ebf\u8c03\u6574\u5230\u201c90\u5ea6\u201d\u65f6\uff0c\u624d\u80fd\u4e0e\u7f51\u5173\u826f\u597d\u901a\u4fe1;\u5176\u4ed6\u89d2\u5ea6(0.180.270)\u4e0d\u7406\u60f3\u3002\u6b64\u5916\uff0c\u7f51\u5173\u7684\u4f4d\u7f6e\u4e0d\u662f\u8d8a\u9ad8\u8d8a\u597d\uff0c\u800c\u662f\u9700\u8981\u8003\u8651\u73af\u5883\u3001\u906e\u6321\u548c\u5e72\u6270\u7b49\u56e0\u7d20\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5929\u6c14\u6761\u4ef6\u4e5f\u4f1a\u5f71\u54cdLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u3002\u4f8b\u5982\uff0c\u5728\u96e8\u5929\uff0cLoRa\u6a21\u5757\u80fd\u591f\u5728400\u7c73\u7684\u89c6\u7ebf\u8ddd\u79bb\u5185\u4ece\u53d1\u5c04\u5668\u65e0\u7ebf\u6a21\u5757\u83b7\u53d6\u4f20\u611f\u5668\u6570\u636e\uff0c\u800c\u5728\u975e\u96e8\u5929\uff0c\u8be5\u8ddd\u79bb\u53ef\u4ee5\u589e\u52a0\u5230650\u7c73\u3002\u8fd9\u8868\u660e\u964d\u96e8\u4f1a\u964d\u4f4eLoRa\u4fe1\u53f7\u7684\u4f20\u64ad\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u5730\u4e0b\u73af\u5883\u4e2d\uff0cLoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u53d7\u5230\u6df1\u5ea6\u7684\u5f71\u54cd\u3002\u4f8b\u5982\uff0c\u5728\u76f4\u63a5\u89c6\u7ebf\u73af\u5883\u4e0b\uff0c\u5f53\u53d1\u5c04\u5668\u4f4d\u4e8e2\u7c73\u6df1\u5904\u65f6\uff0c\u672a\u5728\u4efb\u4f55\u6d4b\u91cf\u70b9\u5efa\u7acb\u8bbe\u5907\u95f4\u7684\u8fde\u63a5;\u800c\u57281\u7c73\u6df1\u5904\uff0c\u63a5\u6536\u7684\u5305\u901f\u7387\u8d85\u8fc790%\uff0c\u76f4\u5230100\u7c73\u3002\u5728\u68ee\u6797\u73af\u5883\u4e2d\uff0c\u901a\u4fe1\u4ec5\u5728\u8bbe\u5907\u95f4\u8ddd\u79bb20\u7c73\u5185\u4fdd\u6301\u572880%\u4ee5\u4e0a\uff0c\u4ece\u8fd9\u4e2a\u70b9\u5f00\u59cb\uff0c\u901a\u4fe1\u8d28\u91cf\u9010\u6e10\u4e0b\u964d\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u7684\u4f20\u8f93\u8ddd\u79bb\u8fd8\u53d7\u5230\u8f7d\u6ce2\u9891\u7387\u3001\u53d1\u5c04\u529f\u7387\u3001\u63a5\u6536\u7075\u654f\u5ea6\u3001\u5929\u7ebf\u589e\u76ca\u7b49\u56e0\u7d20\u7684\u5f71\u54cd\u3002\u4f8b\u5982\uff0c\u964d\u4f4e\u8f7d\u6ce2\u9891\u7387\u53ef\u4ee5\u6709\u6548\u589e\u52a0\u901a\u4fe1\u8ddd\u79bb\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u4f18\u5316\u7269\u7406\u5c42\u8bbe\u7f6e\uff0c\u5982\u8c03\u6574\u6570\u636e\u901f\u7387\u3001\u8f7d\u6ce2\u5197\u4f59\u5ea6\u548c\u6709\u6548\u8f7d\u8377\u957f\u5ea6\uff0c\u53ef\u4ee5\u63d0\u9ad8\u94fe\u8def\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u5728\u4e0d\u540c\u73af\u5883\u6761\u4ef6\u4e0b\u7684\u4f20\u8f93\u8ddd\u79bb\u53d8\u5316\u8f83\u5927\uff0c\u4e3b\u8981\u53d7\u5230\u73af\u5883\u969c\u788d\u7269\u3001\u5929\u6c14\u6761\u4ef6\u3001\u5929\u7ebf\u89d2\u5ea6\u548c\u4f4d\u7f6e\u3001\u5730\u4e0b\u548c\u68ee\u6797\u73af\u5883\u4ee5\u53ca\u5176\u4ed6\u6280\u672f\u53c2\u6570\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7684\u4f4e\u529f\u8017\u7279\u6027\u662f\u5982\u4f55\u5b9e\u73b0\u7684?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u7684\u4f4e\u529f\u8017\u7279\u6027\u4e3b\u8981\u901a\u8fc7\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u5b9e\u73b0\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6269\u9891\u8c03\u5236\u6280\u672f<\/strong>\uff1aLoRa\u91c7\u7528\u6269\u9891\u8c03\u5236\u6280\u672f\uff0c\u57fa\u4e8eChirp Spread Spectrum(CSS)\u6280\u672f\uff0c\u8fd9\u79cd\u6280\u672f\u80fd\u591f\u5728\u5e7f\u6cdb\u7684\u9891\u7387\u8303\u56f4\u5185\u4f20\u8f93\u6570\u636e\uff0c\u63d0\u9ad8\u4e86\u6297\u5e72\u6270\u80fd\u529b\uff0c\u5e76\u652f\u6301\u957f\u8ddd\u79bb\u901a\u4fe1\u3002\u6269\u9891\u56e0\u5b50(SF)\u662f\u76f4\u63a5\u5f71\u54cd\u4fe1\u53f7\u4f20\u8f93\u6027\u80fd\u7684\u91cd\u8981\u53c2\u6570\uff0c\u5b83\u5b9a\u4e49\u4e86\u6570\u636e\u5728\u9891\u7387\u8303\u56f4\u5185\u7684\u6269\u5c55\u7a0b\u5ea6\uff0c\u4ece\u800c\u5f71\u54cd\u6297\u566a\u58f0\u3001\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u548c\u901a\u4fe1\u8ddd\u79bb\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f4e\u529f\u8017\u8bbe\u8ba1<\/strong>\uff1aLoRa\u6a21\u5757\u901a\u5e38\u91c7\u7528\u9ad8\u6027\u80fd\u5de5\u4e1a\u7ea7\u82af\u7247\uff0c\u8bbe\u8ba1\u4e3a\u4f4e\u529f\u8017\u6a21\u5f0f\u3002\u4f8b\u5982\uff0cF8L10D 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