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About vlador

Vladimir Risojevic (@vlador)

Vladimir Risojević received the B.Sc. degree in electrical engineering from the Faculty of Electronic Engineering, University of Niš, Serbia, in 1997, and the M.Sc. and Ph.D. degrees in electrical engineering from the Faculty of Electrical Engineering, University of Banja Luka, Bosnia and Herzegovina in 2006 and 2014, respectively. He is currently an Assistant Professor at the Faculty of Electrical Engineering, University of Banja Luka. His research interests are in the areas of signal processing, machine learning and computer vision.

Re: N-point DFt of cosine and sine

Reply posted 5 years ago (04/04/2020)
AlwaysLearning,You got it. Except that there's no .5 term in the last equation, it is used for transition from exp to cos.Interestingly, there's finally this one...

Re: N-point DFt of cosine and sine

Reply posted 5 years ago (04/03/2020)
Hi,The second sum in (4) is zero when m=k, because in that case exp(-j*2*pi*(m+k))=1. You don't need L'Hospital for that, look in the article that you linked. Therefore...

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