Wavelet analysis
modified: 2020-11-04T21:18:29.642Z
modified: 2020-11-04T21:18:15.749Z
creator: AAS Frey.Katie
created: 2018-08-27T18:52:53Z
definition: A refinement of Fourier analysis which enables to simplify the description of a complicated function in terms of a small number of coefficients. The formal history of wavelet theory began in the early 1980s when Jean Morlet, a French geophysicist, introduced the concept of wavelet and studied wavelet transform as a new tool for scientific signal analysis. In 1984, his collaboration with Alex Grossmann yielded a detailed mathematical study of the continuous wavelet transforms and their various applications. Although similar results had already been obtained 20-50 years earlier by several other researchers, the rediscovery of the old concepts provided a new method for decomposing functions.
contributor: AAS Frey.Katie Admin
broader: Astrostatistics techniques
type: Concept

Astrostatistics techniques
type: Concept
narrower: Wavelet analysis