I. M. Dremin
Published 2004-03-19, updated 2004-04-13Version 2
The notion of wavelets is defined. It is briefly described {\it what} are wavelets, {\it how} to use them, {\it when} we do need them, {\it why} they are preferred and {\it where} they have been applied. Then one proceeds to the multiresolution analysis and fast wavelet transform as a standard procedure for dealing with discrete wavelets. It is shown which specific features of signals (functions) can be revealed by this analysis, but can not be found by other methods (e.g., by the Fourier expansion). Finally, some examples of practical application are given (in particular, to analysis of multiparticle production}. Rigorous proofs of mathematical statements are omitted, and the reader is referred to the corresponding literature.
Comments: 16 pages, 5 figures, Latex, Phys. Atom. Nucl
Journal: Phys.Atom.Nucl.68:508-520,2005; Yad.Fiz.68:537-549,2005
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