On the Convergence Behavior of Affine Projection Algorithm with Direction Error

被引：6
作者：
Zhi, Yongfeng [1 ]
Zheng, Xi [1 ]
Li, Ru [1 ]
机构：
[1] Northwestern Polytech Univ, Dept Automat Control, Xian 710072, Shaanxi, Peoples R China
来源：
ASIAN JOURNAL OF CONTROL | 2014年 / 16卷 / 02期
基金：
中国国家自然科学基金;
关键词：
statistical analysis; Adaptive filter; iterated direction; affine projection algorithm; iteration error;
D O I：
10.1002/asjc.738
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
An affine projection algorithm with direction error (AP-DE) is presented to solve the nonconformity between the iterated direction of the adaptive filter and the direction caused by the iteration error. A statistical analysis model is shown to analyze the AP-DE algorithm for autoregressive input signals. Deterministic recursive equations for the mean weight error and for the mean-square error in the iterated direction are derived. We also analyze the steady-state mean-square error in the iterated direction for the AP-DE algorithm. Simulation results are provided to corroborate the analytical results.
引用
收藏
页码：530 / 538
页数：9
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