psd of any signal

31 Mar 2014
2 Risposte
Aggiornato 20 Ago 2021
6 Visualizzazioni (30 giorni)

0 voti

How to find psd of any signal and I want the data as frequency(rad/sec) vs power

Risposte (2)

Carlos
Carlos il 31 Mar 2014

0 voti

Try something like this
N = length(x);
xfft = fft(x);
psdx = (1/(2*pi*N)).*abs(xfft).^2;
freq = 0:(2*pi)/N:2*pi-(2*pi)/N;
plot(freq./pi,10*log10(psdx)); grid on;

Questa domanda è chiusa.

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Richiesto:

Achintya Roy
Achintya Roy
il 31 Mar 2014

Chiuso:

MATLAB Answer Bot
MATLAB Answer Bot
il 20 Ago 2021

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