{"id":98052,"date":"2024-09-25T16:27:58","date_gmt":"2024-09-25T08:27:58","guid":{"rendered":"\/\/www.viralrail.com\/?p=98052"},"modified":"2024-09-25T16:28:04","modified_gmt":"2024-09-25T08:28:04","slug":"ftpjsjs","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/98052.html","title":{"rendered":"FHSS\u8df3\u9891\u6280\u672f\u4ecb\u7ecd"},"content":{"rendered":"\n

\u3000\u3000\u8df3\u9891\u6269\u9891\u6280\u672f(Frequency-Hopping Spread Spectrum\uff0c\u7b80\u79f0FHSS)<\/strong>\u662f\u4e00\u79cd\u65e0\u7ebf\u901a\u4fe1\u4e2d\u5e38\u7528\u7684\u6269\u9891\u65b9\u5f0f\u3002\u5176\u6838\u5fc3\u539f\u7406\u662f\u901a\u8fc7\u4f2a\u968f\u673a\u7801\u5e8f\u5217\u63a7\u5236\u8f7d\u6ce2\u9891\u7387\u5728\u591a\u4e2a\u9884\u8bbe\u9891\u7387\u4e4b\u95f4\u8fdb\u884c\u79bb\u6563\u53d8\u5316\uff0c\u4ece\u800c\u5b9e\u73b0\u4fe1\u53f7\u7684\u6269\u9891\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728FHSS\u6280\u672f\u4e2d\uff0c\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u8bbe\u5907\u4f1a\u6309\u7167\u9884\u5b9a\u7684\u7b97\u6cd5\u6216\u89c4\u5f8b\uff0c\u4f7f\u8f7d\u6ce2\u9891\u7387\u4e0d\u65ad\u8df3\u8dc3\uff0c\u4ee5\u907f\u514d\u5e72\u6270\u548c\u7a83\u542c\u3002\u8fd9\u79cd\u9891\u7387\u7684\u5feb\u901f\u5207\u6362\u4f7f\u5f97\u4fe1\u53f7\u5bf9\u975e\u7279\u5b9a\u63a5\u6536\u5668\u800c\u8a00\u8868\u73b0\u4e3a\u8109\u51b2\u566a\u58f0\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u901a\u4fe1\u7684\u5b89\u5168\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n

\u3000\u3000FHSS\u6280\u672f\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u65e0\u7ebf\u901a\u4fe1\u9886\u57df\uff0c\u5982\u84dd\u7259\u3001WiFi\u3001LoRa\u7b49\u3002\u4f8b\u5982\uff0c\u5728\u84dd\u7259\u6280\u672f\u4e2d\uff0c\u7ecf\u5178\u84dd\u7259\u548c\u4f4e\u529f\u8017\u84dd\u7259\u90fd\u91c7\u7528\u4e86FHSS\u6280\u672f\u6765\u589e\u5f3a\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002\u6b64\u5916\uff0cFHSS\u4e5f\u88ab\u7528\u4e8e\u7269\u8054\u7f51\u8bbe\u5907\u3001\u8fdc\u7a0b\u4f20\u611f\u5668\u7f51\u7edc\u4ee5\u53ca\u536b\u661f\u901a\u4fe1\u7b49\u9700\u8981\u957f\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n

\u3000\u3000FHSS\u6280\u672f\u7684\u4e00\u4e2a\u663e\u8457\u4f18\u70b9\u662f\u5176\u51fa\u8272\u7684\u9690\u853d\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u4f7f\u5176\u5728\u9700\u8981\u9ad8\u5b89\u5168\u6027\u7684\u5c40\u57df\u7f51\u548c\u5176\u4ed6\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\u8868\u73b0\u51fa\u8272\u3002\u7136\u800c\uff0c\u7531\u4e8eFHSS\u6280\u672f\u9700\u8981\u9891\u7e41\u5730\u5207\u6362\u9891\u7387\uff0c\u56e0\u6b64\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u4f1a\u589e\u52a0\u7cfb\u7edf\u7684\u590d\u6742\u6027\u548c\u6210\u672c\u3002<\/p>\n\n\n\n

\u3000\u3000FHSS\u6280\u672f\u901a\u8fc7\u4f2a\u968f\u673a\u7801\u5e8f\u5217\u63a7\u5236\u8f7d\u6ce2\u9891\u7387\u7684\u5feb\u901f\u8df3\u53d8\uff0c\u63d0\u9ad8\u4e86\u65e0\u7ebf\u901a\u4fe1\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u5b89\u5168\u6027\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u590d\u6742\u7684\u65e0\u7ebf\u901a\u4fe1\u73af\u5883\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 \u8df3\u9891\u6269\u9891\u6280\u672f(FHSS)\u7684\u5386\u53f2\u53d1\u5c55\u548c\u672a\u6765\u8d8b\u52bf<\/h2>\n\n\n\n

\u3000\u3000\u8df3\u9891\u6269\u9891\u6280\u672f(FHSS)\u7684\u5386\u53f2\u53d1\u5c55\u548c\u672a\u6765\u8d8b\u52bf\u53ef\u4ee5\u4ece\u591a\u4e2a\u65b9\u9762\u8fdb\u884c\u5206\u6790\u3002<\/p>\n\n\n\n

\u3000\u30001. \u5386\u53f2\u53d1\u5c55<\/h3>\n\n\n\n

\u3000\u3000\u8df3\u9891\u6269\u9891\u6280\u672f(FHSS)\u7684\u5386\u53f2\u53ef\u4ee5\u8ffd\u6eaf\u523020\u4e16\u7eaa\u4e2d\u53f6\u30021949\u5e74\uff0c\u7f8e\u56fd\u7a7a\u519b\u53d1\u660e\u4e86\u4e00\u79cd\u65b0\u7684\u8df3\u9891\u901a\u4fe1\u7cfb\u7edf\uff0c\u8fd9\u6807\u5fd7\u7740\u8df3\u9891\u6280\u672f\u7684\u8bde\u751f\u548c\u53d1\u5c55\u3002\u6700\u521d\uff0c\u8fd9\u9879\u6280\u672f\u5e76\u6ca1\u6709\u5f15\u8d77\u7f8e\u56fd\u519b\u65b9\u7684\u91cd\u89c6\uff0c\u76f4\u523020\u4e16\u7eaa80\u5e74\u4ee3\u624d\u88ab\u519b\u65b9\u7528\u4e8e\u6218\u573a\u4e0a\u7684\u65e0\u7ebf\u901a\u8baf\u7cfb\u7edf\u3002\u968f\u540e\uff0c\u8df3\u9891\u6269\u9891\u6280\u672f\u9010\u6e10\u5e94\u7528\u4e8e\u6c11\u7528\u9886\u57df\uff0c\u5305\u62ec\u84dd\u7259\u3001WiFi\u548c3G\u79fb\u52a8\u901a\u8baf\u7b49\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728IEEE802.11\u534f\u8bae\u7684\u53d1\u5c55\u8fc7\u7a0b\u4e2d\uff0c\u8df3\u9891\u6269\u9891\u6280\u672f\u66fe\u88ab\u5b9a\u4e49\u4e3a\u7269\u7406\u5c42\u901f\u7387\u7684\u4e00\u90e8\u5206\uff0c\u4f46\u76ee\u524d\u5df2\u7ecf\u88ab\u5e9f\u5f03\uff0c\u6807\u51c6\u6587\u6863\u4e2d\u65e9\u5df2\u770b\u4e0d\u5230\u5b83\u7684\u8eab\u5f71\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u8df3\u9891\u6269\u9891\u6280\u672f\u5728\u84dd\u7259\u548c\u5176\u4ed6\u65e0\u7ebf\u901a\u4fe1\u6807\u51c6\u4e2d\u4ecd\u7136\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n

\u3000\u30002. \u672a\u6765\u8d8b\u52bf<\/h3>\n\n\n\n

\u3000\u3000\u5c3d\u7ba1\u8df3\u9891\u6269\u9891\u6280\u672f\u5728\u67d0\u4e9b\u9886\u57df\u5df2\u7ecf\u88ab\u5176\u4ed6\u6280\u672f\u6240\u53d6\u4ee3\uff0c\u4f46\u5b83\u5728\u65b0\u5174\u7684\u7269\u8054\u7f51(IoT)\u548c\u536b\u661f\u901a\u4fe1\u9886\u57df\u4ecd\u6709\u5de8\u5927\u7684\u5e94\u7528\u6f5c\u529b\u3002\u4f8b\u5982\uff0cLoRaWAN\u6807\u51c6\u6700\u8fd1\u589e\u5f3a\u4e86\u957f\u7a0b\u8df3\u9891\u6269\u9891(LR-FHSS)\u529f\u80fd\uff0c\u4ee5\u66f4\u597d\u5730\u4f18\u5316\u9891\u8c31\uff0c\u6ee1\u8db3\u5927\u89c4\u6a21IoT\u7f51\u7edc\u7684\u9884\u671f\u5bb9\u91cf\u8981\u6c42\u3002LR-FHSS\u5728\u672a\u6765\u5728\u7535\u529b\u91c7\u96c6\u3001\u5bc6\u96c6\u533a\u57df\u7684\u7269\u8054\u7f51\u6570\u636e\u91c7\u96c6\u4ee5\u53ca\u536b\u661f\u6570\u636e\u91c7\u96c6\u4e0a\u90fd\u6709\u66f4\u591a\u7684\u521b\u65b0\u7a7a\u95f4\u3002<\/p>\n\n\n\n

\u3000\u3000\u6b64\u5916\uff0c\u8df3\u9891\u6269\u9891\u6280\u672f\u5728\u63d0\u9ad8\u901a\u4fe1\u8d28\u91cf\u548c\u53ef\u9760\u6027\u65b9\u9762\u4ecd\u7136\u5177\u6709\u663e\u8457\u4f18\u52bf\u3002\u901a\u8fc7\u4f7f\u7528\u4f2a\u968f\u673a\u9891\u7387\u8df3\u53d8\u5e8f\u5217\uff0c\u8df3\u9891\u6269\u9891\u6280\u672f\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u901a\u4fe1\u7cfb\u7edf\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002\u8fd9\u79cd\u7279\u6027\u4f7f\u5f97\u8df3\u9891\u6269\u9891\u6280\u672f\u5728\u672a\u6765\u7684\u65e0\u7ebf\u7f51\u7edc\u4e2d\u4ecd\u7136\u5177\u6709\u91cd\u8981\u7684\u5e94\u7528\u524d\u666f\u3002<\/p>\n\n\n\n

\u3000\u3000\u8df3\u9891\u6269\u9891\u6280\u672f(FHSS)\u81ea20\u4e16\u7eaa\u4e2d\u53f6\u8bde\u751f\u4ee5\u6765\uff0c\u7ecf\u5386\u4e86\u4ece\u519b\u4e8b\u5e94\u7528\u5230\u6c11\u7528\u9886\u57df\u7684\u5e7f\u6cdb\u63a8\u5e7f\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 FHSS\u6280\u672f\u5728\u84dd\u7259\u548cWiFi\u4e2d\u7684\u5177\u4f53\u5e94\u7528\u548c\u4f18\u52bf<\/h2>\n\n\n\n

\u3000\u3000FHSS(\u9891\u7387\u8df3\u53d8\u6269\u9891)\u6280\u672f\u5728\u84dd\u7259\u548cWiFi\u4e2d\u7684\u5e94\u7528\u548c\u4f18\u52bf\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u3000\u30001. \u5728\u84dd\u7259\u4e2d\u7684\u5e94\u7528\u548c\u4f18\u52bf\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1a\u84dd\u7259\u4f7f\u7528FHSS\u6280\u672f\uff0c\u901a\u8fc7\u5728\u591a\u4e2a\u9891\u7387\u4e4b\u95f4\u5feb\u901f\u5207\u6362\u6765\u589e\u5f3a\u6297\u5e72\u6270\u80fd\u529b\u3002\u8fd9\u79cd\u6280\u672f\u4f7f\u5f97\u84dd\u7259\u4fe1\u53f7\u80fd\u591f\u5728\u591a\u4e2a\u4fe1\u9053\u4e4b\u95f4\u8df3\u8dc3\uff0c\u4ece\u800c\u907f\u514d\u4e86\u5355\u4e00\u9891\u7387\u4e0a\u7684\u5e72\u6270\u3002<\/p>\n\n\n\n

\u3000\u3000\u5b89\u5168\u6027<\/strong>\uff1aFHSS\u6280\u672f\u652f\u6301AES-128\u52a0\u5bc6\u7b97\u6cd5\uff0c\u8fd9\u4fdd\u8bc1\u4e86\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u9891\u8c31\u6548\u7387<\/strong>\uff1a\u84dd\u7259\u91c7\u7528FHSS\u6280\u672f\uff0c\u4f7f\u752879\u4e2a\u4fe1\u9053\uff0c\u6bcf\u4e2a\u4fe1\u9053\u5360\u75281MHz\uff0c\u4fe1\u53f7\u4ee51600Hz\u7684\u901f\u7387\u5728\u8fd9\u4e9b\u4fe1\u9053\u95f4\u968f\u673a\u8df3\u8dc3\uff0c\u4f7f\u5f97\u84dd\u7259\u8bbe\u5907\u80fd\u591f\u57282.4GHz ISM\u9891\u6bb5\u5185\u9ad8\u6548\u5730\u4f7f\u7528\u9891\u8c31\u3002<\/p>\n\n\n\n

\u3000\u3000\u5e7f\u6cdb\u7684\u5e94\u7528\u9886\u57df<\/strong>\uff1a\u7531\u4e8e\u5176\u4f4e\u529f\u8017\u548c\u4f4e\u6210\u672c\u7684\u7279\u70b9\uff0cFHSS\u6280\u672f\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u624b\u673a\u3001\u8033\u673a\u3001\u6c7d\u8f66\u7b49\u4f17\u591a\u9886\u57df\uff0c\u5e76\u4e14\u968f\u7740\u84dd\u7259\u6280\u672f\u7684\u53d1\u5c55\uff0c\u5176\u5e94\u7528\u8303\u56f4\u8fd8\u5728\u4e0d\u65ad\u6269\u5927\u3002<\/p>\n\n\n\n

\u3000\u30002. \u5728WiFi\u4e2d\u7684\u5e94\u7528\u548c\u4f18\u52bf\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1aWiFi\u540c\u6837\u91c7\u7528FHSS\u6280\u672f\uff0c\u901a\u8fc7\u4f2a\u968f\u673a\u7801\u8c03\u5236\uff0c\u4f7f\u8f7d\u6ce2\u7684\u4e2d\u5fc3\u9891\u7387\u4e0d\u65ad\u8df3\u8dc3\u6539\u53d8\uff0c\u4ece\u800c\u907f\u514d\u4e86\u56fa\u5b9a\u9891\u7387\u4e0a\u7684\u5e72\u6270\u3002<\/p>\n\n\n\n

\u3000\u3000\u5386\u53f2\u80cc\u666f<\/strong>\uff1aWiFi\u6280\u672f\u7684\u53d1\u5c55\u53d7\u5230\u4e86\u65e9\u671fFHSS\u6280\u672f\u7684\u542f\u53d1\uff0c\u6700\u521d\u7531\u597d\u83b1\u575e\u5973\u6f14\u5458\u6d77\u8482\u00b7\u62c9\u739b\u63d0\u51fa\uff0c\u5e76\u7528\u4e8e\u4e8c\u6218\u671f\u95f4\u7684\u901a\u4fe1\u4e2d\u3002<\/p>\n\n\n\n

\u3000\u3000\u9891\u8c31\u4f7f\u7528<\/strong>\uff1aFHSS\u6280\u672f\u4f7f\u5f97WiFi\u80fd\u591f\u5728\u672a\u7ecf\u8bb8\u53ef\u76842.4GHz ISM\u9891\u6bb5\u4e2d\u9ad8\u6548\u5730\u4f7f\u7528\u9891\u8c31\uff0c\u907f\u514d\u4e86\u5355\u4e00\u9891\u7387\u4e0a\u7684\u5e72\u6270\u95ee\u9898\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 FHSS\u6280\u672f\u5728\u9891\u7e41\u5207\u6362\u9891\u7387\u65f6\u589e\u52a0\u7684\u7cfb\u7edf\u590d\u6742\u6027\u548c\u6210\u672c\u95ee\u9898?<\/h2>\n\n\n\n

\u3000\u3000FHSS(\u8df3\u9891\u6269\u9891)\u6280\u672f\u5728\u9891\u7e41\u5207\u6362\u9891\u7387\u65f6\u4f1a\u589e\u52a0\u7cfb\u7edf\u7684\u590d\u6742\u6027\u548c\u6210\u672c\uff0c\u4e3b\u8981\u539f\u56e0\u5728\u4e8e\u5176\u9700\u8981\u5728\u4e0d\u540c\u7684\u9891\u7387\u4e0a\u8fdb\u884c\u5feb\u901f\u5207\u6362\uff0c\u5e76\u4e14\u5728\u63a5\u6536\u4e0e\u53d1\u5c04\u7aef\u4f7f\u7528\u4e00\u79cd\u865a\u62df\u968f\u673a\u7684\u8fc7\u7a0b\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n\n\n\n

\u3000\u3000\u4f18\u5316\u8bbe\u8ba1\u548c\u7b97\u6cd5<\/strong>\uff1a\u5229\u7528\u667a\u80fd\u4f18\u5316\u8bbe\u8ba1\u6280\u672f\uff0c\u5982Ansys optiSLang\uff0c\u901a\u8fc7\u4f34\u968f\u6c42\u5bfc(Derivative)\u7b49\u65b9\u6cd5\uff0c\u5b9e\u73b0\u5bf9\u7cfb\u7edf\u53c2\u6570\u7684\u5feb\u901f\u8c03\u8c10\u548c\u4f18\u5316\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u8bbe\u8ba1\u6548\u7387\uff0c\u964d\u4f4e\u4f7f\u7528\u95e8\u69db\uff0c\u5e76\u9009\u62e9\u66f4\u667a\u80fd\u7684\u7b97\u6cd5\u6765\u5e94\u5bf9\u590d\u6742\u7684\u8bbe\u8ba1\u6311\u6218\u3002<\/p>\n\n\n\n

\u3000\u3000\u9009\u62e9\u5408\u9002\u7684\u5e94\u7528\u573a\u666f<\/strong>\uff1aFHSS\u6280\u672f\u5728\u9700\u8981\u4f4e\u6210\u672c\u7684\u5e94\u7528\u4e2d\u8f83\u5360\u4f18\u52bf\uff0c\u56e0\u6b64\u53ef\u4ee5\u9009\u62e9\u5728\u8fd9\u4e9b\u573a\u666f\u4e2d\u4f7f\u7528FHSS\u6280\u672f\uff0c\u4ee5\u51cf\u5c11\u7cfb\u7edf\u7684\u590d\u6742\u6027\u548c\u6210\u672c\u3002\u4f8b\u5982\uff0c\u5728\u6076\u52a3\u73af\u5883\u4e2d\u6216\u5927\u8986\u76d6\u8303\u56f4\u7684\u5e94\u7528\u4e2d\uff0cFHSS\u6280\u672f\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6297\u5e72\u6270\u548c\u6297\u963b\u585e\u80fd\u529b\u3002<\/p>\n\n\n\n

\u3000\u3000\u7ed3\u5408\u5176\u4ed6\u6280\u672f<\/strong>\uff1a\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u5c06FHSS\u6280\u672f\u4e0e\u5176\u4ed6\u6280\u672f(\u5982DSSS\u6280\u672f)\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u5e73\u8861\u6027\u80fd\u548c\u6210\u672c\u3002DSSS\u6280\u672f\u5728\u9700\u8981\u6700\u4f73\u53ef\u9760\u6027\u7684\u5e94\u7528\u4e2d\u5177\u6709\u8f83\u4f73\u7684\u4f18\u52bf\uff0c\u800cFHSS\u6280\u672f\u5219\u5728\u4f4e\u6210\u672c\u5e94\u7528\u4e2d\u5360\u4f18\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001 FHSS\u6280\u672f\u5728\u7269\u8054\u7f51\u8bbe\u5907\u548c\u8fdc\u7a0b\u4f20\u611f\u5668\u7f51\u7edc\u4e2d\u7684\u5e94\u7528<\/h2>\n\n\n\n

\u3000\u3000FHSS(\u9891\u7387\u8df3\u53d8\u6269\u9891)\u6280\u672f\u5728\u7269\u8054\u7f51\u8bbe\u5907\u548c\u8fdc\u7a0b\u4f20\u611f\u5668\u7f51\u7edc\u4e2d\u7684\u5e94\u7528\u6848\u4f8b\u5305\u62ec\u591a\u4e2a\u9886\u57df\u3002\u9996\u5148\uff0cFHSS\u6280\u672f\u662f\u76d1\u63a7\u548c\u6570\u636e\u91c7\u96c6(SCADA)\u7f51\u7edc\u7684\u6838\u5fc3\u6280\u672f\u4e4b\u4e00\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u5de5\u4e1a\u7269\u8054\u7f51\uff0c\u56e0\u4e3a\u5176\u80fd\u591f\u63d0\u4f9b\u53ef\u9760\u7684\u901a\u4fe1\u548c\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000\u6b64\u5916\uff0cFHSS\u6280\u672f\u88ab\u96c6\u6210\u5230LoRa\u5e73\u53f0\u4e2d\uff0c\u589e\u5f3a\u4e86LoRa\u82af\u7247\u7684\u7f51\u7edc\u5bb9\u91cf\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u4f7f\u5176\u80fd\u591f\u5b9e\u73b0\u4ece\u4f20\u611f\u5668\u5230\u536b\u661f\u7684\u4f4e\u529f\u8017\u3001\u53ef\u9760\u7684\u76f4\u63a5\u901a\u4fe1\u3002\u8fd9\u79cd\u96c6\u6210\u5df2\u7ecf\u5728\u755c\u7267\u4e1a\u3001\u73af\u5883\u7ba1\u7406\u3001\u68ee\u6797\u9632\u706b\u4ee5\u53ca\u822a\u8fd0\u7b49\u9886\u57df\u5f97\u5230\u5e94\u7528\u3002\u901a\u8fc7LR-FHSS(\u957f\u8ddd\u79bb\u8df3\u9891\u6269\u9891)\uff0cLoRa\u6280\u672f\u53ef\u4ee5\u66f4\u597d\u5730\u4f18\u5316\u9891\u8c31\uff0c\u4ece\u800c\u652f\u6301\u5927\u89c4\u6a21IoT\u7f51\u7edc\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n

\u3000\u3000Semtech\u7684LoRa\u5e73\u53f0\u589e\u52a0\u4e86\u5bf9LR-FHSS\u7684\u652f\u6301\uff0c\u8fd9\u4e0d\u4ec5\u6709\u52a9\u4e8e\u4e3a\u504f\u8fdc\u5730\u533a\u63d0\u4f9b\u9ad8\u6027\u4ef7\u6bd4\u7684\u8fde\u63a5\u670d\u52a1\uff0c\u8fd8\u63a8\u52a8\u4e86\u667a\u6167\u5de5\u4e1a\u548c\u667a\u6167\u56ed\u533a\u7b49\u9886\u57df\u7684\u5e94\u7528\u521b\u65b0\u3002LR-FHSS\u6280\u672f\u7684\u96c6\u6210\u4f7f\u5f97\u8bbe\u5907\u80fd\u591f\u5728\u591a\u4e2a\u9891\u6bb5\u4e0a\u8fd0\u884c\uff0c\u589e\u5f3a\u4e86\u6a21\u5757\u7684\u7075\u6d3b\u6027\uff0c\u6ee1\u8db3\u4e86\u4e0d\u540c\u5e94\u7528\u9700\u6c42\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e94\u3001 FHSS\u6280\u672f\u4e0e\u5176\u4ed6\u6269\u9891\u6280\u672f(\u5982\u76f4\u63a5\u5e8f\u5217\u6269\u9891DSSS)\u76f8\u6bd4\uff0c\u6709\u54ea\u4e9b\u663e\u8457\u7684\u4f18\u52bf\u548c\u52a3\u52bf?<\/h2>\n\n\n\n

\u3000\u3000FHSS(\u8df3\u9891\u6269\u9891)\u6280\u672f\u4e0e\u5176\u4ed6\u6269\u9891\u6280\u672f\uff0c\u5982DSSS(\u76f4\u63a5\u5e8f\u5217\u6269\u9891)\uff0c\u5728\u591a\u4e2a\u65b9\u9762\u5b58\u5728\u663e\u8457\u7684\u4f18\u52bf\u548c\u52a3\u52bf\u3002<\/p>\n\n\n\n

\u3000\u30001. \u4f18\u52bf\uff1a<\/strong><\/h3>\n\n\n\n

\u3000\u3000\u4f4e\u6210\u672c\u5e94\u7528<\/strong>\uff1aFHSS\u6280\u672f\u5728\u4f4e\u6210\u672c\u5e94\u7528\u4e2d\u5177\u6709\u660e\u663e\u4f18\u52bf\uff0c\u56e0\u4e3a\u5176\u7cfb\u7edf\u67b6\u6784\u76f8\u5bf9\u7b80\u5355\uff0c\u6210\u672c\u8f83\u4f4e\u3002<\/p>\n\n\n\n

\u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1aFHSS\u901a\u8fc7\u9891\u7e41\u6539\u53d8\u8f7d\u6ce2\u9891\u7387\u6765\u907f\u514d\u5e72\u6270\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u901a\u4fe1\u7cfb\u7edf\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n

\u3000\u3000\u4fdd\u5bc6\u6027<\/strong>\uff1a\u7531\u4e8eFHSS\u4fe1\u53f7\u5728\u4e0d\u540c\u7684\u9891\u7387\u4e0a\u8df3\u53d8\uff0c\u4f7f\u5f97\u4fe1\u53f7\u96be\u4ee5\u88ab\u622a\u83b7\u548c\u5206\u6790\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u901a\u4fe1\u7684\u4fdd\u5bc6\u6027\u3002<\/p>\n\n\n\n

\u3000\u30002. \u52a3\u52bf\uff1a<\/strong><\/h3>\n\n\n\n

\u3000\u3000\u4f20\u8f93\u8ddd\u79bb\u548c\u6297\u566a\u58f0\u80fd\u529b<\/strong>\uff1aFHSS\u7cfb\u7edf\u901a\u5e38\u4f7f\u7528FSK\u8c03\u5236\u65b9\u5f0f\uff0c\u8fd9\u4f7f\u5f97\u5176\u4f20\u8f93\u8ddd\u79bb\u548c\u6297\u566a\u58f0\u80fd\u529b\u8f83\u5dee\u3002<\/p>\n\n\n\n

\u3000\u3000\u590d\u6742\u5ea6\u548c\u7cfb\u7edf\u8981\u6c42<\/strong>\uff1a\u867d\u7136FHSS\u7cfb\u7edf\u5728\u67d0\u4e9b\u65b9\u9762\u7b80\u5355\uff0c\u4f46\u5176\u6574\u4f53\u590d\u6742\u5ea6\u548c\u5bf9\u975e\u7ebf\u6027\u529f\u7387\u653e\u5927\u5668\u7684\u9700\u6c42\u53ef\u80fd\u589e\u52a0\u7cfb\u7edf\u7684\u590d\u6742\u6027\u548c\u6210\u672c\u3002<\/p>\n\n\n\n

\u3000\u30003. DSSS\u6280\u672f\u4f18\u52bf\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u9ad8\u53ef\u9760\u6027\u5e94\u7528<\/strong>\uff1aDSSS\u6280\u672f\u5728\u9ad8\u53ef\u9760\u6027\u5e94\u7528\u4e2d\u8868\u73b0\u4f18\u5f02\uff0c\u7279\u522b\u662f\u5728\u591a\u5f84\u73af\u5883\u4e0b\u5177\u6709\u663e\u8457\u7684\u6027\u80fd\u4f18\u52bf\u3002<\/p>\n\n\n\n

\u3000\u3000\u4fdd\u5bc6\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1aDSSS\u901a\u8fc7\u4e0e\u4f2a\u968f\u673a\u7801\u5e8f\u5217\u76f8\u4e58\u6765\u6269\u5c55\u4fe1\u53f7\u9891\u8c31\uff0c\u4f7f\u5176\u529f\u7387\u9891\u8c31\u5bc6\u5ea6\u6bd4\u566a\u58f0\u8fd8\u8981\u4f4e\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u4fdd\u5bc6\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n

\u3000\u3000\u9002\u7528\u4e8e\u4f4e\u901f\u7387\u6570\u636e\u4f20\u8f93<\/strong>\uff1aDSSS\u6280\u672f\u9002\u7528\u4e8e\u4f4e\u901f\u7387\u6570\u636e\u4f20\u8f93\uff0c\u4e14\u80fd\u591f\u6709\u6548\u5e94\u5bf9\u591a\u5f84\u8870\u843d\u95ee\u9898\u3002<\/p>\n\n\n\n

\u3000\u30004. DSSS\u6280\u672f\u52a3\u52bf\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u9ad8\u53d1\u5c04\u529f\u7387\u9700\u6c42<\/strong>\uff1aDSSS\u7cfb\u7edf\u9700\u8981\u8f83\u9ad8\u7684\u53d1\u5c04\u529f\u7387\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u66f4\u9ad8\u7684\u80fd\u8017\u548c\u6210\u672c\u3002<\/p>\n\n\n\n

\u3000\u3000\u7cfb\u7edf\u590d\u6742\u5ea6<\/strong>\uff1aDSSS\u7cfb\u7edf\u7684\u5b9e\u73b0\u76f8\u5bf9\u590d\u6742\uff0c\u9700\u8981\u66f4\u591a\u7684\u786c\u4ef6\u548c\u8f6f\u4ef6\u652f\u6301\u3002<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

\u8df3\u9891\u6269\u9891\u6280\u672f(Frequency-Hopping Spread Spectrum\uff0c\u7b80\u79f0FHSS)\u662f\u4e00\u79cd\u65e0\u7ebf\u901a\u4fe1\u4e2d\u5e38\u7528\u7684\u6269\u9891\u65b9\u5f0f\u3002\u5176\u6838\u5fc3\u539f\u7406\u662f\u901a\u8fc7\u4f2a\u968f\u673a\u7801\u5e8f\u5217\u63a7\u5236\u8f7d\u6ce2\u9891\u7387\u5728\u591a\u4e2a\u9884\u8bbe\u9891\u7387\u4e4b\u95f4\u8fdb\u884c\u79bb\u6563\u53d8\u5316<\/p>\n","protected":false},"author":1,"featured_media":96079,"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":[246],"class_list":["post-98052","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-tpjs"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/98052"}],"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=98052"}],"version-history":[{"count":1,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/98052\/revisions"}],"predecessor-version":[{"id":98053,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/98052\/revisions\/98053"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/96079"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=98052"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=98052"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=98052"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}