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Short-time fourier transform (STFT)

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  • 标      签: Matlab

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The short-time Fourier transform (STFT), is a Fourier-related transform used to determine the sinusoidal frequency and phase content of local sections of a signal as it changes over time. In practice, the procedure for computing STFTs is to divide a longer time signal into shorter segments of equal length and then compute the Fourier transform separately on each shorter segment. This reveals

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Short-time fourier transform (STFT)
ECG1.mat
STFT.m

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