How can I calculate the mean-squared spectrogram instead of PSD spectrogram?

Timothy - 2021-03-19T14:58:25+00:00

Question: How can I calculate the mean-squared spectrogram instead of PSD spectrogram?

I use the SPECTROGRAM function on a signal as shown below:     T = 0:0.001:2; X = chirp(T,100,1,200,'q'); spectrogram(X,128,120,128,1E3); However, I would like to plot the mean-squared or MS spectrum instead of Power Spectral Density (PSD).

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Expert Answer

Prashant Kumar answered . 2025-11-20

Fs=1000;

t=0:1/Fs:.3;

x=cos(2*pi*t*200)+randn(size(t));

Hs=spectrum.periodogram;

msspectrum(Hs,x,'Fs',Fs)

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