Why does the documentation for the XCOV function in the Signal Processing

Ralph - 2021-03-17T11:42:02+00:00

Question: Why does the documentation for the XCOV function in the Signal Processing

Why does the  documentation for the XCOV function in the  Signal Processing Toolbox 6.8 (R2007b) refer to Gaussian random variables as "Uniform noise with mean = 0.5"? The documentation page for the XCOV function contains the following line of code for the example at the bottom of the page:     ww = randn(1000,1); % Uniform noise with mean = 0.5 The RANDN function is not uniform and has a mean of zero.  

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Expert Answer

John Williams answered . 2025-11-20

ww = randn(1000,1);    % White Gaussian noise

[cov_ww,lags] = xcov(ww,10,'coeff');

stem(lags,cov_ww)

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