快速傅里叶变换 FFT - NTi Audio
ntiaudio.cn
快速傅里叶变换 FFT - NTi Audio
在音频和声学测量领域，“快速傅里叶变换”（FFT）是一个非常重要的测量方法。它能将一个信号转化为频谱分量，从而得出关于该信号的频率信息。FFT 方法通常适用于对机械或某个系统进行缺陷分析，品质控制以及状态监测等。这篇文章将解释 FFT 如何运作 ...
May 20, 2020
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