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Simple Method for Perfect Reconstruction QMF Filter Design
Published 27 Oct 2022 in eess.SP | (2210.15635v1)
Abstract: The purpose of this work is the design of FIR QMF (Quadrature Mirror Filters) filters of perfect reconstruction and odd number of coefficients (even order). By design, these filters will have linear phase and integer delay. These filter pairs have many applications in wavelet transforms and other multi-frequency decompositions. Perfect reconstruction filters have been studied from long time ago but we still found publications about them.
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