Concept information
Término preferido
Haar transform
Definición
- In mathematics, the Haar wavelet is a sequence of rescaled "square-shaped" functions which together form a wavelet family or basis. Wavelet analysis is similar to Fourier analysis in that it allows a target function over an interval to be represented in terms of an orthonormal basis. The Haar sequence is now recognised as the first known wavelet basis and extensively used as a teaching example. The Haar transform is the simplest of the wavelet transforms. This transform cross-multiplies a function against the Haar wavelet with various shifts and stretches, like the Fourier transform cross-multiplies a function against a sine wave with two phases and many stretches. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Haar_wavelet#Haar_transform)
Concepto genérico
etiqueta alternativa (skos)
- Haar transformation
En otras lenguas
-
francés
URI
http://data.loterre.fr/ark:/67375/MDL-N97MCQ67-0
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