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How can I apply a FFT moving window ?

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djamaleddine djeldjli
评论： Walter Roberson 2018-12-5
hello,
i have a signal (x) as a vector (1*1799), the sampling frequency Fs=30 and Ns=1799
how can I apply a FFT mobile window on 100 samples each time along the signal
thank you

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回答（1 个）

Walter Roberson
Walter Roberson 2018-12-2
buffer() and fft()
see also spectrogram()
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djamaleddine djeldjli
djamaleddine djeldjli 2018-12-5
how many samples at a time depends on the Fs for me i need to apply FFt on 100 samples and i move the window with 60 samples
the width of the window is 100s
ant it moves by 60s

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