Hadamard transform

English

Etymology

Named for the French mathematician Jacques Hadamard.

Noun

Hadamard transform (plural Hadamard transforms)

1. (signal processing) A generalized Fourier transform that performs an orthogonal, symmetric, involutive, linear operation on 2^m real numbers (or complex numbers, although the Hadamard matrices themselves are purely real).

   Synonym: Walsh transform

Derived terms

• pseudo-Hadamard transform