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Unified Matrix Treatment of the Fast Walsh-Hadamard Transform
November 1976 (vol. 25 no. 11)
pp. 1142-1146
B.J. Fino, Systems Applications, Inc.
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.
Index Terms:
Fast Walsh-Hadamard transform (WHT), Hadamard matrices, Kronecker product of matrices, recursive matrix factorization, sequency reordering, unitary matrices, Walsh functions.
Citation:
B.J. Fino, V.R. Algazi, "Unified Matrix Treatment of the Fast Walsh-Hadamard Transform," IEEE Transactions on Computers, vol. 25, no. 11, pp. 1142-1146, Nov. 1976, doi:10.1109/TC.1976.1674569
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