A Continuous-Time Adaptive Notch Filter: Transient and Tracking Analyses

被引：0
|
作者：
Nishimura, Shotaro [1 ]
Mvuma, Aloys [2 ]
Hinamoto, Takao [3 ]
机构：
[1] Shimane Univ, Matsue, Shimane, Japan
[2] Univ Dodoma, Sch Informat, Dodoma, Tanzania
[3] Hiroshima Univ, Hiroshima 730, Japan
来源：
2012 IEEE 55TH INTERNATIONAL MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS (MWSCAS) | 2012年
关键词：
CONSTRAINED POLES; SIGNAL; ZEROS;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents a state-space approach for implementation of a continuous-time adaptive notch filter with a gradient-based algorithm for a single sinusoid frequency estimation. Transient analysis of the proposed algorithm is carried out under the assumption of slow adaptation. Tracking characteristics are also investigated for linear chirp and sinusoidally-varying input signal frequency. Closed-form expressions for frequency tracking error for both cases are derived. Finally, simulation results are presented to verify the validity of the proposed algorithm and derived expressions.
引用
收藏
页码：262 / 265
页数：4
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