Adaptive IIR constrained LMS algorithm for multiple narrowband interference rejection

被引：1
|
作者：
Sezer, O [1 ]
Ferdjallah, M [1 ]
机构：
[1] Univ Tennessee, Dept Elect & Comp Engn, Knoxville, TN 37996 USA
来源：
PROCEEDINGS OF THE IEEE SOUTHEASTCON 2004: EXCELLENCE IN ENGINEERING, SCIENCE, AND TECHNOLOGY | 2005年
关键词：
D O I：
10.1109/SECON.2005.1423221
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
One of the common problems in digital signal processing is the filtering of signals in the presence of a narrow-band interference. Adaptive IIR digital multiple band-rejection filters use pole-zero placement on the unit circle method, which is designed by a unique second-order filter structure. With unconstrained LMS algorithm, zeroes may converge to their optimum positions in certain cases, where the poles do not converge without a forcing condition. In this paper, a new design of adaptive digital band-rejection filter, constrained least-mean-squares (CLMS), is applied by adapting both poles and zeroes for the elimination of a narrow-band white gaussian noise.
引用
收藏
页码：79 / 83
页数：5
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