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FFT phase? [message #82919] Thu, 24 January 2013 09:28
xqinshan is currently offline  xqinshan
Messages: 21
Registered: November 2008
Junior Member
Hi,

just use FFT(y). For example, y=A*cos(x+B), C=fft(y). I think atan(C,/phase) should equal to B, but the return reslut is not. How to obtain A and B from complex C?

xqinshan

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