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Regularized Kernel Least Mean Square Algorithm with Multiple-delay Feedback

delete2016-01-01
delete24
PRE
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王世元 (Shiyuan Wang) *
Y
Yunfei Zheng
C
Chengxiu Ling
DOI:10.1109/LSP.2015.2503000delete
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Abstract

Abstract

En 中文
In the design of adaptive filters, feedback can be utilized to improve the convergence rate and filtering accuracy. This letter introduces a feedback structure with multiple delay to design kernel adaptive filters. A regularized loss function is minimized by using the steepest descent method. The past information of output is therefore reused to update the filter weights in a recurrent fashion, resulting in a novel regularized kernel least mean square algorithm with multiple-delay feedback (RKLMS-MDF). Compared with other kernel adaptive filters with or without feedback, RKLMS-MDF can improve the filtering performance from the respects of the convergence rate and the steady-state mean square error.
Keywords:
Kernel adaptive filters
multiple-delay feedback
recurrent fashion
sparsification
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Key information extracted from the uploaded paper, including a brief overview, abstract, background, key highlights, visual analysis, and future outlook.

Journal

IEEE Signal Processing Magazine cover
IEEE Signal Processing Magazine
IF:
9.6
Papers:
1.1W
Citations:
1.7W

Organization

S
southwest university - china
Scholars:
2.6W
Papers: 1.9W
Citations: 21