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Tom, Dick, and Mary discover the DFT

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1 Author(s)
Deller, J.R., Jr. ; Dept. of Electr. Eng., Michigan State Univ., East Lansing, MI, USA

Discrete Fourier techniques are increasingly being taught as material detached from fundamental continuous-time Fourier analysis. The student is left with an unclear understanding, if any, of the very significant relationships between magnitude and phase spectra generated digitally, and the continuous-time signal which is being analyzed. The present article tells the story of three undergraduate students who discover the DFT, armed only with a knowledge of analog methods.<>

Published in:

Signal Processing Magazine, IEEE  (Volume:11 ,  Issue: 2 )