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book
 Mathematics of the Discrete Fourier Transform (DFT) WIth Audio Applications
The Discrete Fourier Transform (DFT) can be understood as a numerical approximation to the Fourier transform.
However, the DFT has its own exact Fourier theory, which is the main focus of this book.
The DFT is normally encountered in practice as the Fast Fourier Transform (FFT)--a high-speed algorithm for computing the DFT. The FFT is used extensively in a wide range of digital signal processing applications, including spectrum analysis,...
preview:
http://ccrma.stanford.edu/~jos/mdft/mdft.html
10/4/2006
Tags: books, fft
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