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book
 Mathematics of the Discrete Fourier Transform (DFT): with Audio Applications
Mathematics of the DFT presents a detailed derivation of the Discrete Fourier Transform (DFT) and its associated mathematics, beginning at the high-school level (assuming some calculus exposure). Starting with an introduction to complex numbers, the book derives Euler's identity, complex sinusoids, signal projection, and the DFT itself.
Next, especially useful Fourier theorems are introduced and derived, followed by a concluding chapter on...
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http://www.amazon.com
9/3/2007
Tags: fft
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