IMPROVED PARALLEL REALIZATION OF IIR ADAPTIVE FILTERS

被引:5
|
作者
DINIZ, PSR [1 ]
COUSSEAU, JE [1 ]
ANTONIOU, A [1 ]
机构
[1] UNIV VICTORIA,DEPT ELECT & COMP ENGN,VICTORIA V8W 3P6,BC,CANADA
来源
IEE PROCEEDINGS-G CIRCUITS DEVICES AND SYSTEMS | 1993年 / 140卷 / 05期
关键词
FILTERS; (ADAPTIVE);
D O I
10.1049/ip-g-2.1993.0054
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
A frequency-domain adaptive-filter realisation which uses a parallel arrangement of real second-order IIR sections and preprocessing based on a real orthogonal transform is examined. Experimental results and simulations show that the proposed scheme leads to increased convergence rates and lower computational complexity. The paper also deals with an efficient technique for optimising the convergence factor for the class of Gauss-Newton algorithms. Some experimental results obtained show that this technique leads to a further increase in the rate of convergence, to improved robustness of the adaptation algorithm, and to reduced mean-square error.
引用
收藏
页码:322 / 328
页数:7
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