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How to write a cross signal function and apply it to the signals?

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Kennard Ng
Kennard Ng 2019-2-12
编辑： Kennard Ng 2019-2-12
xDataA = linspace(0,4*pi,1024); % create signal
yDataA = cos(xDataA); % array A
xDataB = linspace(0,4*pi,1024); % create signal
yDataB = sin(xDataB); % array B
p = yDataA.*yDataB ; % product of array A and B
r = xcorr(yDataA,yDataB);
plot (r);
Is this how it is done?

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回答（1 个）

Star Strider
Star Strider 2019-2-12
This looks like homework.
See the documentation on the xcorr (link) function. That will either solve your problem or get you started on writing your own function.

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