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Matlab for the Periodogram

Octave and the Matlab Signal Processing Toolbox have a periodogram function. Matlab for computing a periodogram of white noise is given below (see top-right plot in Fig.5.1):

M = 32;
v = randn(M,1);       % white noise
V = abs(fft(v)).^2/M; % periodogram

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[How to cite this work]  [Order a printed hardcopy]
``Spectral Audio Signal Processing'', by Julius O. Smith III, (August 2008 Draft).
Copyright © 2008-09-25 by Julius O. Smith III
Center for Computer Research in Music and Acoustics (CCRMA),   Stanford University
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