Sinusoid Signal Enhancement in Colored Noise Based on Least Square Kurtosis IIR Adaptive Notch Filter

被引：0
|
作者：
Liang, Hong [1 ]
Yang, Chang-sheng [1 ]
机构：
[1] Northwestern Polytech Univ, Coll Marine, Xian 710072, Shaanxi, Peoples R China
来源：
7TH INTERNATIONAL CONFERENCE ON SYSTEM SIMULATION AND SCIENTIFIC COMPUTING ASIA SIMULATION CONFERENCE 2008, VOLS 1-3 | 2008年
关键词：
D O I：
10.1109/ASC-ICSC.2008.4675528
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
A new variable step-size algorithm for a second-order lattice form structure adaptive IIR notch filter for detection and estimation frequency of sinusoids in coloured Gaussian noise Is proposed. Utilized least square kurtosis of output signal as cost function, the new gradient based algorithm to update frequency of the adaptive IIR notch filter and the new variable step-size algorithm are given. The computer simulation results are shown that the proposed algorithm has better ability In suppressing colored Gaussian noise and better accuracy in estimating parameter at low SNR than previous algorithm
引用
收藏
页码：1095 / 1098
页数：4
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