A new improvement to the Powell and Chau linear phase IIR filters

被引：13
|
作者：
Djokic, B [1 ]
Popovic, M
Lutovac, M
机构：
[1] MOBTEL BK PTT, Belgrade, Yugoslavia
[2] Univ Belgrade, Fac Elect Engn, YU-11001 Belgrade, Yugoslavia
[3] IRITEL, Belgrade, Yugoslavia
来源：
IEEE TRANSACTIONS ON SIGNAL PROCESSING | 1998年 / 46卷 / 06期
关键词：
D O I：
10.1109/78.678492
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this correspondence, an improvement to the realization of the Linear-phase IIR filters is described. It is based on the rearrangement of the numerator polynomials of the IIR filter functions that are used in the real-time realizations recently proposed in literature. The new realization has better total harmonic distortion when sine input is used, and it has smaller phase and group delay errors due to finite section length.
引用
收藏
页码：1685 / 1688
页数：4
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