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Linear Phase Low-Pass IIR Digital Differentiators

A novel approach to designing approximately linear phase infinite-impulse-response (IIR) digital filters in the passband region is introduced. The proposed approach yields digital IIR filters whose numerators represent linear phase finite-impulse-response (FIR) filters. As an example, low-pass IIR d...

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Published in:	IEEE transactions on signal processing 2007-02, Vol.55 (2), p.697-706
Main Author:	Al-Alaoui, M.A.
Format:	Article
Language:	English
Subjects:	Al-Alaoui operator analog filters Applied sciences bilinear transformation Cutoff frequency Data mining Detection, estimation, filtering, equalization, prediction Differentiators Digital digital differentiators Digital filters Exact sciences and technology Filtering Finite impulse response filter finite-impulse-response (FIR) filters IIR filters infinite-impulse-response (IIR) filters Information, signal and communications theory Linear approximation Linear phase Low pass filters low-pass digital differentiators Nonlinear filters Passband Signal and communications theory Signal processing Signal, noise Telecommunications and information theory
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cited_by	cdi_FETCH-LOGICAL-c447t-45dee049cbbf9848b16d4de2626ef84446dacf9e921de05e5039812e695336d83
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container_end_page	706
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container_title	IEEE transactions on signal processing
container_volume	55
creator	Al-Alaoui, M.A.
description	A novel approach to designing approximately linear phase infinite-impulse-response (IIR) digital filters in the passband region is introduced. The proposed approach yields digital IIR filters whose numerators represent linear phase finite-impulse-response (FIR) filters. As an example, low-pass IIR differentiators are introduced. The range and high-frequency suppression of the proposed low-pass differentiators are comparable to those obtained by higher order FIR low-pass differentiators. In addition, the differentiators exhibit almost linear phases in the passband regions
doi_str_mv	10.1109/TSP.2006.885741
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The proposed approach yields digital IIR filters whose numerators represent linear phase finite-impulse-response (FIR) filters. As an example, low-pass IIR differentiators are introduced. The range and high-frequency suppression of the proposed low-pass differentiators are comparable to those obtained by higher order FIR low-pass differentiators. In addition, the differentiators exhibit almost linear phases in the passband regions</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TSP.2006.885741</doi><tpages>10</tpages></addata></record>
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source	IEEE Electronic Library (IEL) Journals
subjects	Al-Alaoui operator analog filters Applied sciences bilinear transformation Cutoff frequency Data mining Detection, estimation, filtering, equalization, prediction Differentiators Digital digital differentiators Digital filters Exact sciences and technology Filtering Finite impulse response filter finite-impulse-response (FIR) filters IIR filters infinite-impulse-response (IIR) filters Information, signal and communications theory Linear approximation Linear phase Low pass filters low-pass digital differentiators Nonlinear filters Passband Signal and communications theory Signal processing Signal, noise Telecommunications and information theory
title	Linear Phase Low-Pass IIR Digital Differentiators
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