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Unified Matrix Treatment of the Fast Walsh-Hadamard Transform

1976; Institute of Electrical and Electronics Engineers; Volume: C-25; Issue: 11 Linguagem: Inglês

10.1109/tc.1976.1674569

2326-3814

Fino, Algazi,

Coding theory and cryptography

A unified matrix treatment is presented for the various orderings of the Walsh-Hadamard (WH) functions using a general framework. This approach clarifies the different definitions of the WH matrix, the various fast algorithms and the reorderings of the WH functions.