An IIR adaptive line enhancer with controlled bandwidth

被引：15
|
作者：
FarhangBoroujeny, B
机构：
[1] Electrical Engineering Department, National University of Singapore
来源：
IEEE TRANSACTIONS ON SIGNAL PROCESSING | 1997年 / 45卷 / 02期
关键词：
D O I：
10.1109/78.554313
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 previously proposed IIR adaptive line enhancer (ALE) is explored further. We propose a mechanism for controlling the bandwidth of the ALE in an adaptive manner. The proposed mechanism increases the bandwidth of the ALE whenever its peak is not close to a spectral line of the input signal to assure its fast convergence and decreases the bandwidth of the ALE when its peak matches a spectral line of the input signal to enhance that spectral line further. In addition, a new algorithm for robust adaptation of the ALE is proposed.
引用
收藏
页码：477 / 481
页数：5
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