Design of IIR Digital Filters using All-Pass Networks

Masaaki Ikehara, Hiroyuki Tanaka, Hideo Kuroda

研究成果: Article査読

15 被引用数 (Scopus)

抄録

This paper presents a new method of designing the generalized IIR digital filter in the form of a parallel connection of two all-pass filters. It is shown that the numerator of the overall transfer function of this form can be expressed as real function of the all-pass coefficients. Then Remez algorithm is applied to the numerator and the rational approximation problem is transformed into a linear problem. IIR digital filters with the desired specification can be directly designed in the z-domain by this method. The proposed algorithm converges through a few iterations, and the amplitude property of IIR digital filter has equiripple.

本文言語English
ページ(範囲)231-235
ページ数5
ジャーナルIEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing
41
3
DOI
出版ステータスPublished - 1994 3

ASJC Scopus subject areas

  • Signal Processing
  • Electrical and Electronic Engineering

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