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Cxy=Pxy / sqrt(Pxx*Pyy)

For signals X and Y:

First compute power spectral density of X (Pxx), Y (Pxx), and cross PSD for X against Y (Pxy);

can be accomplished by

[Pxx,F]=CPSD(X,X)

[Pyy,F]=CPSD(Y,Y)

[Pxy,F]=CPSD(X,Y)

Cxy=Pxy / sqrt(Pxx*Pyy)

Cxy is complex coherence

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14y ago

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