December 2005
Intermediate to advanced
475 pages
12h 6m
English
Content preview from Signals and Systems
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11.9 RADIX-2 FFT ALGORITHM
This algorithm is based on the divide and conquer approach and the N point DFT is decomposed into smaller DFTs and hence the number of computations is reduced. The value of N is selected such that N = 2V. This algorithm is known as Radix-2 or radix of these algorithms is ‘2’ because the N point DFT is decomposed successively such that smallest DFT size will be N = 2.
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