In order to realize a noise octave analysis by software, a digit weight method based on FFT is proposed.

为了利用软件实现噪声倍频程分析，提出了一种基于FFT的数字计权方法。

youdao

In order to realize a noise octave analysis by software, a digit weight method based on FFT is proposed.

为了利用软件实现噪声倍频程分析，提出了一种基于FFT的数字计权方法。

youdao