psd of any signal

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

Antworten (2)

Carlos
Carlos am 31 Mär. 2014

0 Stimmen

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;
Achintya Roy
Achintya Roy am 31 Mär. 2014

0 Stimmen

Is there any theory behind this

Diese Frage ist geschlossen.

Gefragt:

am 31 Mär. 2014

Geschlossen:

am 20 Aug. 2021

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