A Study on Cascaded Adaptive Notch Filter Utilizing Allpass Filter and Adaptive Line Enhancer

被引：0

作者：

Shiogai, Kazuki ^{[1
]}

Sasaoka, Naoto ^{[1
]}

Itoh, Yoshio ^{[1
]}

Kinugasa, Yasutomo ^{[2
]}

Ohe, Takahiro ^{[3
]}

Kobayashi, Masaki ^{[3
]}

机构：

[1] Tottori Univ, Grad Sch Engn, Tottori 6808552, Japan

[2] Matsue Coll Technol, Dept Engn, Matsue, Shimane, Japan

[3] Chubu Univ, Fac Engn, Kasugai, Aichi 4878501, Japan

来源：

2012 10TH INTERNATIONAL SYMPOSIUM ON ELECTRONICS AND TELECOMMUNICATIONS | 2012年

关键词：

adaptive notch filter; allpass filter; adaptive line enhancer; bias;

D O I：

暂无

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 cascaded second order adaptive notch filter using an allpass filter has been proposed. A gradient based algorithm for the adaptive notch filters are used. However, the performance of the adaptive notch filter is decreased due to disturbance which inputs into a tap input signal. In this paper, in order to solve the problem, an adaptive line enhancer which reduces the disturbance in a reference signal is introduced to the adaptive notch filter. Finally, computer simulation results are presented to confirm the convergence characteristics.

引用

页码：295 / 298

页数：4

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