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The Hopping Discrete Fourier Transform [sp Tips&Tricks]

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2 Author(s)

The discrete Fourier transform (DFT) produces a Fourier representation for finite-duration data sequences. In addition to its theoretical importance, the DFT plays a key role in the implementation of a variety of digital signal-?processing algorithms. Several algorithms including the fast Fourier transform (FFT) and the Goertzel algorithm have been introduced for the fast implementation of the DFT [1], [2].

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Signal Processing Magazine, IEEE  (Volume:31 ,  Issue: 2 )