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International Journal of

Recent Trends in Engineering

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International Journal of Recent Trends in Engineering (IJRTE)

ISSN 1797-9617

Volume 1,  Number 1,  May 2009

Issue on Computer Science

Page(s): 624-626

A New Parametric Design of 2 –Band Wavelet System

           P. Anand Goud, G.Sindhiya Binulal, K.P Soman

Full text:  PDF

Abstract

The paper presents a new method of designing 2-band parametric wavelet system based on factorizing modulation matrix. The proposed method is a modification of the method presented in [1] where getting filter with arbitrary length and fully nonzero filter coefficients  is not possible. This draw back is rectified  by replacing the diagonal unitary matrix derived in [1] by suitable poly phase matrix. The method can be easily extended to design of  M-band parametric wavelet system.

Index Terms

Parametric wavelets, modulation matrix, poly phase matrix, M-band wavelets

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