{"id":70731,"date":"2023-12-18T14:36:32","date_gmt":"2023-12-18T06:36:32","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=70731"},"modified":"2023-12-18T14:36:38","modified_gmt":"2023-12-18T06:36:38","slug":"fdjtffynx","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/70731.html","title":{"rendered":"2FSK\u7684\u89e3\u8c03\u65b9\u6cd5\u6709\u54ea\u4e9b"},"content":{"rendered":"\n

\u3000\u3000\u5728\u901a\u4fe1\u9886\u57df\uff0c\u9891\u79fb\u952e\u63a7(FSK)\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u8c03\u5236\u548c\u89e3\u8c03\u6280\u672f\u30022FSK(\u4e8c\u8fdb\u5236\u9891\u79fb\u952e\u63a7)\u662fFSK\u7684\u4e00\u79cd\u7279\u6b8a\u5f62\u5f0f\uff0c\u5e38\u7528\u4e8e\u6570\u5b57\u901a\u4fe1\u7cfb\u7edf\u4e2d\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd2FSK\u7684\u89e3\u8c03\u65b9\u6cd5\u53ca\u5176\u5e94\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u30012FSK\u89e3\u8c03\u65b9\u6cd5\u6982\u8ff0<\/h2>\n\n\n\n

\u3000\u30002FSK\u89e3\u8c03\u662f\u5c06\u63a5\u6536\u5230\u76842FSK\u4fe1\u53f7\u8f6c\u6362\u4e3a\u6570\u5b57\u4fe1\u53f7\u7684\u8fc7\u7a0b\u30022FSK\u4fe1\u53f7\u7531\u4e24\u4e2a\u4e0d\u540c\u7684\u9891\u7387\u8868\u793a\u4e0d\u540c\u7684\u6570\u5b57\uff0c\u89e3\u8c03\u7684\u76ee\u6807\u662f\u6062\u590d\u539f\u59cb\u6570\u5b57\u4fe1\u53f7\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u30012FSK\u89e3\u8c03\u65b9\u6cd5\u8be6\u89e3<\/h2>\n\n\n\n

\u3000\u30001. \u76f4\u63a5\u68c0\u6d4b\u6cd5<\/h3>\n\n\n\n

\u3000\u3000\u76f4\u63a5\u68c0\u6d4b\u6cd5\u662f\u6700\u7b80\u5355\u76842FSK\u89e3\u8c03\u65b9\u6cd5\u4e4b\u4e00\u3002\u5b83\u901a\u8fc7\u5c06\u63a5\u6536\u4fe1\u53f7\u4e0e\u672c\u5730\u9891\u7387\u8fdb\u884c\u4e58\u6cd5\u8fd0\u7b97\uff0c\u7136\u540e\u8fdb\u884c\u4f4e\u901a\u6ee4\u6ce2\u4ee5\u83b7\u5f97\u539f\u59cb\u6570\u5b57\u4fe1\u53f7\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u76f4\u63a5\uff0c\u4f46\u5bf9\u4e8e\u4fe1\u566a\u6bd4\u8f83\u4f4e\u7684\u60c5\u51b5\u4e0b\u6548\u679c\u8f83\u5dee\u3002<\/p>\n\n\n\n

\u3000\u30002. \u76f8\u5e72\u89e3\u8c03\u6cd5<\/h3>\n\n\n\n

\u3000\u3000\u76f8\u5e72\u89e3\u8c03\u6cd5\u662f\u4e00\u79cd\u66f4\u9ad8\u7ea7\u76842FSK\u89e3\u8c03\u65b9\u6cd5\u3002\u5b83\u5229\u7528\u63a5\u6536\u4fe1\u53f7\u4e0e\u672c\u5730\u9891\u7387\u7684\u76f8\u4f4d\u5dee\u6765\u6062\u590d\u539f\u59cb\u6570\u5b57\u4fe1\u53f7\u3002\u76f8\u5e72\u89e3\u8c03\u6cd5\u9700\u8981\u63a5\u6536\u7aef\u77e5\u9053\u53d1\u9001\u4fe1\u53f7\u7684\u9891\u7387\u548c\u76f8\u4f4d\u4fe1\u606f\uff0c\u56e0\u6b64\u9700\u8981\u66f4\u590d\u6742\u7684\u786c\u4ef6\u548c\u7b97\u6cd5\u652f\u6301\u3002<\/p>\n\n\n\n

\u3000\u30003. \u9891\u7387\u9501\u5b9a\u73af\u8def(PLL)\u89e3\u8c03\u6cd5<\/h3>\n\n\n\n

\u3000\u3000PLL\u89e3\u8c03\u6cd5\u662f\u4e00\u79cd\u5e38\u7528\u76842FSK\u89e3\u8c03\u65b9\u6cd5\u3002\u5b83\u901a\u8fc7\u4f7f\u7528PLL\u7535\u8def\u6765\u9501\u5b9a\u63a5\u6536\u4fe1\u53f7\u7684\u9891\u7387\uff0c\u7136\u540e\u5c06\u5176\u4e0e\u672c\u5730\u9891\u7387\u8fdb\u884c\u6bd4\u8f83\uff0c\u4ece\u800c\u6062\u590d\u539f\u59cb\u6570\u5b57\u4fe1\u53f7\u3002PLL\u89e3\u8c03\u6cd5\u5177\u6709\u8f83\u597d\u7684\u6027\u80fd\u548c\u6297\u5e72\u6270\u80fd\u529b\uff0c\u5e38\u7528\u4e8e\u9ad8\u6027\u80fd\u7684\u6570\u5b57\u901a\u4fe1\u7cfb\u7edf\u4e2d\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u30012FSK\u89e3\u8c03\u65b9\u6cd5\u7684\u5e94\u7528<\/h2>\n\n\n\n

\u3000\u30001. \u65e0\u7ebf\u901a\u4fe1<\/h3>\n\n\n\n

\u3000\u30002FSK\u89e3\u8c03\u65b9\u6cd5\u5e7f\u6cdb\u5e94\u7528\u4e8e\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u4f8b\u5982\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u3001\u84dd\u7259\u901a\u4fe1\u3001\u65e0\u7ebf\u4f20\u611f\u5668\u7f51\u7edc\u7b49\u3002\u5b83\u80fd\u591f\u5728\u4e0d\u540c\u9891\u7387\u4e4b\u95f4\u5feb\u901f\u5207\u6362\uff0c\u63d0\u4f9b\u9ad8\u6548\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u30002. \u9065\u63a7\u7cfb\u7edf<\/h3>\n\n\n\n

\u3000\u30002FSK\u89e3\u8c03\u65b9\u6cd5\u4e5f\u5e38\u7528\u4e8e\u9065\u63a7\u7cfb\u7edf\u4e2d\uff0c\u5982\u65e0\u7ebf\u9065\u63a7\u5668\u3001\u6c7d\u8f66\u9065\u63a7\u5668\u7b49\u3002\u5b83\u53ef\u4ee5\u901a\u8fc7\u4e0d\u540c\u7684\u9891\u7387\u7f16\u7801\u6765\u5b9e\u73b0\u4e0d\u540c\u7684\u63a7\u5236\u529f\u80fd\uff0c\u63d0\u4f9b\u65b9\u4fbf\u7684\u8fdc\u7a0b\u63a7\u5236\u3002<\/p>\n\n\n\n

\u3000\u30003. \u65e0\u7ebf\u7535\u5e7f\u64ad<\/h3>\n\n\n\n

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\u3000\u3000\u7ed3\u8bba\uff1a<\/h2>\n\n\n\n

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