短时傅立叶变换 meaning in Chinese

short time discrete fourier transform
short-time fourier transform

In this paper , a pulsar de - dispersion algorithm based on the short time fourier transform ( stft ) is presented
摘要叙述了一种基于短时傅立叶变换的脉冲星消色散算法。
Secondly the short time fourier transform ( stft ) algorithm is also introduced and a de - dispersion algorihm is proposed based on it
接着介绍了短时傅立叶变换，并在此基础上提出了一种基于短时傅立叶变换的消色散算法。
In the past , we used to analyze speech signal and filter the noise by short - time fourier transform in the frequent domain . however , this method is not effective to the white noise
在过去，我们一般使用短时傅立叶变换( sfft )在频域内对语音信号进行分析降噪，但是对于白噪音，这种方法的效果往往不尽人意。
A rational analysis is needed . there are many methods in harmonic analysis , such as traditional fast fourier transform , short time fourier transform and wavelet transform . they have different analytical emphasis
谐波分析方法众多，主要有传统的快速傅立叶变换、短时傅立叶变换和小波变换，它们分析的侧重点有很大不同。

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