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短时傅利叶转换或短时傅利叶变换(英文:short-time Fourier transform, STFT,又称short-term Fourier transform)是和傅利叶转换相关的一种数学转换关系,用以决定时变讯号其局部段落之弦波成份的频率与相位。
-Short-time Fourier transform or short-term Fourier transform (in English: short-time Fourier transform, STFT, also kn
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时间序列的时频特性分析研究时间序列的傅里叶变换及逆变换,快速梅林变换及逆变换,短时离散傅里叶变换,得到瞬时频率。
研究时间序列的Born–Jondan时频分布图,Butterworth时频分布图,Choi–Williams时频分布图,得到瞬时频率。
-Time series analysis of time-frequency characteristics of time series of Fourier transform and inverse transform, the fa
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短时傅里叶的变换,在时域中表示,画出其等高图,三维图-Short-time Fourier transformation, said in the time domain, draw the contour map, three dimensional figure, and so on
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短时傅里叶变换实用程序,仅仅用于学习交流使用-Short-Time Fourier Transformation
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matlab code for Short-Time Fourier Transformation (STFT) with Matlab Implementation
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STFT和ST变换的基本函数,和一个stft的一个例程-This code computes the Stockwell transform (S-Transform) of a one dimensional series without for loop, thereby making it computationally fast and simple. S-Transform was proposed in 1996. A nice tutorial on S-Transform can
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Inverse Short-Time Fourier Transformation (ISTFT)
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短时傅里叶变换,short-time fourier transformation,有时也叫加窗傅里叶变换,时间窗口使得信号只在某一小区间内有效,这就避免了传统的傅里叶变换在时频局部表达能力上的不足,使得傅里叶变换有了局部定位的能力。
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