December 2011
Intermediate to advanced
436 pages
18h 7m
English
book
Real-Time Digital Signal Processing from MATLAB® to C with the TMS320C6x DSPs, Second Edition, 2nd Edition
by Thad B. Welch, Cameron H.G. Wright, Michael G. Morrow
Content preview from Real-Time Digital Signal Processing from MATLAB® to C with the TMS320C6x DSPs, Second Edition, 2nd Edition
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Chapter 8
The Fast Fourier Transform
8.1 Theory
T
HE Fast Fourier Transform (FFT) is just what the name says it is: a fast way for com-
puters to calculate the Fourier transform, specifically the Discrete Fourier Transform
(DFT). The introduction of the FFT algorithm by Cooley and Tukey in 1965 revolution-
ized signal processing and has had an enormous effect on engineering and applied science
in general [1]. This chapter is by no means a treatise on the FFT. Despite the fact that we
will only cover a few of the major points, this is still a long chapter, but we encourage you
to read it completely. For more details about the FFT, see [2, 4, 69].
Having
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.