Performance analysis of the equation error adaptive IIR notch filter with constrained poles and zeros

被引：0
|
作者：
Punchalard, Rachu [1 ]
Loetwassana, Wuthiporn [1 ]
Koseeyaporn, Jeerasuda [2 ]
Wardkein, Paramote [2 ]
机构：
[1] Mahanakorn Univ Technol, Fac Engn, Bangkok, Thailand
[2] Fac Engn, King Mongkuts Inst Technol Ladkrabang, Bangkok, Thailand
来源：
2006 INTERNATIONAL SYMPOSIUM ON COMMUNICATIONS AND INFORMATION TECHNOLOGIES,VOLS 1-3 | 2006年
关键词：
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 statistical analysis of the equation error adaptive IIR notch filter (EANF) is presented in this paper. Analytical results reveal that if the filter is excited with a noisy sinusoid, the EANF will become a biased estimator. In addition, the obtained results show that the bias depends on the input noise power and input frequency but it is independent of the step-size parameter whereas the MSE (mean square error) depends on the bias and step-size parameter. However, these analytical results will be invalid when the signal to noise ratio (SNR) is less than 10 dB.
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页码：1142 / +
页数：2
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