Volume 37, Issue 14 pp. 2365-2388
Article
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Introduction to wavelets in engineering

John R. Williams

John R. Williams

Intelligent Engineering Systems Laboratory, Massachusetts Institute of Technology, Cambridge, MA 02139, U.S.A.

Associate Professor

Daubechies10

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Kevin Amaratunga

Kevin Amaratunga

Intelligent Engineering Systems Laboratory, Massachusetts Institute of Technology, Cambridge, MA 02139, U.S.A.

Graduate Student

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First published: 30 July 1994
Citations: 143

Associate Professor

Daubechies10

Abstract

The aim of this paper is to provide an introduction to the subject of wavelet analysis for engineering applications. The paper selects from the recent mathematical literature on wavelets the results necessary to develop wavelet-based numerical algorithms. In particular, we provide extensive details of the derivation of Mallat's transform and Daubechies' wavelet coefficients, since these are fundamental to gaining an insight into the properties of wavelets. The potential benefits of using wavelets are highlighted by presenting results of our research in one- and two-dimensional data analysis and in wavelet solutions of partial differential equations.

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