{"id":39206,"date":"2023-10-03T19:42:36","date_gmt":"2023-10-03T11:42:36","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=39206"},"modified":"2023-10-03T19:42:36","modified_gmt":"2023-10-03T11:42:36","slug":"bttzdxhjt","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/39206.html","title":{"rendered":"\u4e0d\u540c\u8c03\u5236\u5ea6\u4fe1\u53f7\u89e3\u8c03"},"content":{"rendered":"

  \u8c03\u5236\u5ea6\u4fe1\u53f7\u89e3\u8c03\uff08Modulation and Demodulation\uff09\u662f\u901a\u4fe1\u7cfb\u7edf\u4e2d\u6700\u91cd\u8981\u7684\u90e8\u5206\uff0c\u5b83\u662f\u5c06\u4fe1\u606f\u4ece\u6e90\u5934\u4f20\u8f93\u5230\u76ee\u7684\u5730\u7684\u8fc7\u7a0b\u4e2d\u7684\u4e00\u4e2a\u5173\u952e\u6b65\u9aa4\u3002\u8c03\u5236\u5ea6\u4fe1\u53f7\u89e3\u8c03\u53ef\u4ee5\u628a\u7535\u4fe1\u53f7\u8f6c\u6362\u6210\u6570\u5b57\u4fe1\u53f7\uff0c\u4e5f\u53ef\u4ee5\u628a\u6570\u5b57\u4fe1\u53f7\u8f6c\u6362\u6210\u7535\u4fe1\u53f7\uff0c\u4ee5\u4fbf\u5728\u63a5\u6536\u7aef\u89e3\u7801\u548c\u89e3\u8bd1\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e0d\u540c\u8c03\u5236\u5ea6\u4fe1\u53f7\u89e3\u8c03\u7684\u539f\u7406\uff0c\u4ee5\u53ca\u5b83\u4eec\u7684\u4f18\u70b9\u548c\u7f3a\u70b9\u3002<\/p>\n

\u8c03\u5236\u5ea6\u4fe1\u53f7\u89e3\u8c03\u7684\u6982\u5ff5<\/h2>\n

  \u8c03\u5236\u5ea6\u4fe1\u53f7\u89e3\u8c03\u662f\u628a\u4e00\u79cd\u4fe1\u53f7\u8f6c\u6362\u6210\u53e6\u4e00\u79cd\u4fe1\u53f7\u7684\u8fc7\u7a0b\u3002<\/strong>\u5728\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0c\u8c03\u5236\u5ea6\u4fe1\u53f7\u89e3\u8c03\u662f\u628a\u4e00\u79cd\u8f83\u4f4e\u9891\u7387\u7684\u4fe1\u53f7\uff08\u5982\u6570\u5b57\u4fe1\u53f7\uff09\u8f6c\u6362\u6210\u8f83\u9ad8\u9891\u7387\u7684\u4fe1\u53f7\uff08\u5982\u7535\u4fe1\u53f7\uff09\uff0c\u4ee5\u4fbf\u5728\u63a5\u6536\u7aef\u89e3\u7801\u548c\u89e3\u8bd1\u3002<\/p>\n

\u4e0d\u540c\u8c03\u5236\u5ea6\u4fe1\u53f7\u89e3\u8c03\u65b9\u6cd5<\/h2>\n

  \u8c03\u5e45\u89e3\u8c03\uff08AM\uff09<\/h3>\n

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  \u8c03\u9891\u89e3\u8c03\uff08FM\uff09<\/h3>\n

  \u8c03\u9891\u89e3\u8c03\uff08FM\uff09\u662f\u53e6\u4e00\u79cd\u5e38\u7528\u7684\u8c03\u5236\u5ea6\u4fe1\u53f7\u89e3\u8c03\u65b9\u6cd5\uff0c\u5b83\u662f\u628a\u6570\u5b57\u4fe1\u53f7\u8f6c\u6362\u6210\u7535\u4fe1\u53f7\uff0c\u4ee5\u4fbf\u5728\u63a5\u6536\u7aef\u89e3\u7801\u548c\u89e3\u8bd1\u3002\u8c03\u9891\u89e3\u8c03\u7684\u539f\u7406\u662f\u628a\u6570\u5b57\u4fe1\u53f7\u7684\u9891\u7387\u53d8\u5316\u8f6c\u6362\u6210\u7535\u4fe1\u53f7\u7684\u9891\u7387\u53d8\u5316\uff0c\u8fd9\u79cd\u8f6c\u6362\u8fc7\u7a0b\u53ef\u4ee5\u628a\u6570\u5b57\u4fe1\u53f7\u8f6c\u6362\u6210\u6a21\u62df\u4fe1\u53f7\uff0c\u4ee5\u4fbf\u5728\u63a5\u6536\u7aef\u89e3\u7801\u548c\u89e3\u8bd1\u3002<\/p>\n

  \u6570\u5b57\u8c03\u5236\u89e3\u8c03\uff08DMT\uff09<\/h3>\n

  \u6570\u5b57\u8c03\u5236\u89e3\u8c03\uff08DMT\uff09\u662f\u4e00\u79cd\u65b0\u578b\u7684\u8c03\u5236\u5ea6\u4fe1\u53f7\u89e3\u8c03\u65b9\u6cd5\uff0c\u5b83\u662f\u628a\u6570\u5b57\u4fe1\u53f7\u8f6c\u6362\u6210\u7535\u4fe1\u53f7\uff0c\u4ee5\u4fbf\u5728\u63a5\u6536\u7aef\u89e3\u7801\u548c\u89e3\u8bd1\u3002DMT\u7684\u539f\u7406\u662f\u628a\u6570\u5b57\u4fe1\u53f7\u7684\u6570\u636e\u7387\u53d8\u5316\u8f6c\u6362\u6210\u7535\u4fe1\u53f7\u7684\u6570\u636e\u7387\u53d8\u5316\uff0c\u8fd9\u79cd\u8f6c\u6362\u8fc7\u7a0b\u53ef\u4ee5\u628a\u6570\u5b57\u4fe1\u53f7\u8f6c\u6362\u6210\u6a21\u62df\u4fe1\u53f7\uff0c\u4ee5\u4fbf\u5728\u63a5\u6536\u7aef\u89e3\u7801\u548c\u89e3\u8bd1\u3002<\/p>\n

\u4e0d\u540c\u8c03\u5236\u5ea6\u4fe1\u53f7\u89e3\u8c03\u7684\u4f18\u7f3a\u70b9<\/h2>\n

  \u8c03\u5e45\u89e3\u8c03\uff08AM\uff09\u7684\u4f18\u70b9<\/h3>\n

  \u8c03\u5e45\u89e3\u8c03\uff08AM\uff09\u7684\u4f18\u70b9\u662f\u5b83\u53ef\u4ee5\u628a\u6570\u5b57\u4fe1\u53f7\u8f6c\u6362\u6210\u6a21\u62df\u4fe1\u53f7\uff0c\u4ee5\u4fbf\u5728\u63a5\u6536\u7aef\u89e3\u7801\u548c\u89e3\u8bd1\u3002\u53e6\u5916\uff0c\u8c03\u5e45\u89e3\u8c03\uff08AM\uff09\u8fd8\u53ef\u4ee5\u628a\u4fe1\u53f7\u4f20\u8f93\u8ddd\u79bb\u5ef6\u957f\uff0c\u5e76\u4e14\u53ef\u4ee5\u5728\u4f4e\u566a\u58f0\u73af\u5883\u4e2d\u4f20\u8f93\u4fe1\u53f7\u3002<\/p>\n

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  \u8c03\u5e45\u89e3\u8c03\uff08AM\uff09\u7684\u7f3a\u70b9<\/h3>\n

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  \u8c03\u9891\u89e3\u8c03\uff08FM\uff09\u7684\u7f3a\u70b9<\/h3>\n

  \u8c03\u9891\u89e3\u8c03\uff08FM\uff09\u7684\u7f3a\u70b9\u662f\u5b83\u53ef\u80fd\u4f1a\u53d7\u5230\u566a\u58f0\u7684\u5e72\u6270\uff0c\u56e0\u6b64\u5728\u4f4e\u566a\u58f0\u73af\u5883\u4e2d\uff0c\u8c03\u9891\u89e3\u8c03\uff08FM\uff09\u53ef\u80fd\u4f1a\u5931\u6548\u3002<\/p>\n

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\u603b\u7ed3<\/h2>\n

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