应用快速傅立叶变换方法对脉搏信号进行了分析。
The pulse signals were processed by using the fast Fourier transforms.
主要应用傅立叶变换方法计算各种信号的振幅谱和相位谱。
This paper presents computation of the signal's amplitude spectrum and phase spectrum the Fourier transform.
并利用快速傅立叶变换方法对谐波、闪变和纯正弦波等稳态现象进行分析。
As to steady state phenomena, the traditional signal analysis tool FFT is used for harmonic analysis and flicker.
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