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Results tagged with autocorrelation
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user 26280
Autocorrelation is the cross-correlation of a signal with itself.
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vote
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answer
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finding period with autocorrelation is not correct
I first pad the signal with zeros, and then apply the autocorrelation
y_cor = [zeros(1,N), y, zeros(1,N)];
[autocor, lags] = xcorr(y_cor);
figure;
plot(lags, autocor)
grid
As can be seen in the figure …
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