[PD] fft beginner question

Georg Holzmann grh at mur.at
Thu Nov 22 16:54:12 CET 2007

marius schebella schrieb:
> Mathieu Bouchard wrote:
>> this is actually cos^2+sin^2=1 in this context,
> these are not unity vextors, if you square the cosine and sine part you 
> don't get one, but a square of the amplitudes, so it is more 
> cos^2+sin^2=amplitude^2

hm, I don't really understand what you try to say here, but cos(x)^2 + 
sin(x)^2 is 1 !


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