Synthesis of 2-Channel IIR Paraunitary Filter Banks by Successive Extraction of 2-Port Lattice Sections

被引：0
|
作者：
Ueda, Nagato [1 ]
Watanabe, Eiji [2 ]
Nishihara, Akinori [1 ]
机构：
[1] Tokyo Inst Technol, Dept Commun & Integrated Syst, Tokyo 1528552, Japan
[2] Shibaura Inst Technol, Dept Elect Informat Syst, Saitama 3378570, Japan
来源：
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES | 2011年 / E94A卷 / 02期
关键词：
IIR filters; paraunitary filter banks; extraction; power symmetry;
D O I：
10.1587/transfun.E94.A.653
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
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.
引用
收藏
页码：653 / 660
页数：8
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