Synthesis of 2-channel IIR paraunitary filter banks by successive extraction of 2-port lattice sections

Nagato Ueda, Eiji Watanabe, Akinori Nishihara

研究成果: Article

抄録

This paper proposes a synthesis method of 2-channel IIR paraunitary filter banks by successive extraction of 2-port lattice sections. When a power symmetry transfer function is given, a filter bank is realized as cascade of paraunitary 2-port lattice sections. The method can synthesize both odd- and even-order filters with Butterworth or elliptic characteristics. The number of multiplications per second can also be reduced.

元の言語English
ページ(範囲)653-660
ページ数8
ジャーナルIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
E94-A
発行部数2
DOI
出版物ステータスPublished - 2011 2

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IIR filters
Filter banks
Transfer functions

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Graphics and Computer-Aided Design
  • Applied Mathematics
  • Signal Processing

これを引用

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AB - This paper proposes a synthesis method of 2-channel IIR paraunitary filter banks by successive extraction of 2-port lattice sections. When a power symmetry transfer function is given, a filter bank is realized as cascade of paraunitary 2-port lattice sections. The method can synthesize both odd- and even-order filters with Butterworth or elliptic characteristics. The number of multiplications per second can also be reduced.

KW - Extraction

KW - IIR filters

KW - Paraunitary filter banks

KW - Power symmetry

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