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Walsh-Hadamard transform for complex-valued signals

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2 Author(s)
Arambepola, B. ; GEC-Marconi Res. Center, Chelmsford, UK ; Partington, K.C.

The basis functions of the Walsh-Hadamard transform are real-valued whereas most signals in digital signal processing have in-phase and quadrature components. A Walsh-Hadamard power spectrum of a complex-valued sequence is defined, with the aim of obtaining a Fourier-like power spectrum using fewer computations. The new transform is illustrated with reference to satellite radar altimetry.

Published in:

Electronics Letters  (Volume:28 ,  Issue: 3 )

Date of Publication:

30 Jan. 1992

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