Abstract
The frequency domain plays a central role in our discussion and analysis throughout this book. It is thus appropriate to begin with a treatment of Fourier theory. There are four basic Fourier transforms. These are:
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(i)
Fourier series that map periodic continuous-time functions into sequences in the frequency domain;
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(ii)
continuous-time Fourier transforms that map continuous-time functions into continuous frequency domain functions;
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(iii)
discrete-time Fourier transforms (DTFT) that map time domain sequences into periodic continuous frequency domain functions;
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(iv)
discrete Fourier transforms (DFT) that map periodic sequences in the time domain to periodic sequences in the frequency domain.
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© 1996 Birkhäuser Boston
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Feuer, A., Goodwin, G.C. (1996). Fourier Analysis. In: Sampling in Digital Signal Processing and Control. Systems & Control: Foundations & Applications. Birkhäuser Boston. https://doi.org/10.1007/978-1-4612-2460-0_1
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DOI: https://doi.org/10.1007/978-1-4612-2460-0_1
Publisher Name: Birkhäuser Boston
Print ISBN: 978-1-4612-7546-6
Online ISBN: 978-1-4612-2460-0
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