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1
頻譜分析儀
切換目錄
實用電子學/測試裝置/頻譜分析儀
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來自華夏公益教科書,開放的書本,開放的世界
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實用電子學
(從
實用電子學/頻譜分析儀
重定向)
頻譜分析儀
[
編輯
|
編輯原始碼
]
頻譜分析儀顯示無線電頻譜上電壓(或功率)密度作為頻率的函式。頻譜分析儀可以使用模擬頻率掃描原理(如無線電接收器始終改變頻率並測量接收到的幅度)或數字取樣和 FFT(快速傅立葉變換)。
類別
:
書籍:實用電子學
華夏公益教科書