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On performance of transform domain adaptive filters with Markov-2 inputs

Zhao, Shengkui, Man, Zhihong and Khoo, Suiyang 2008, On performance of transform domain adaptive filters with Markov-2 inputs, in ICIEA 2008 : Proceedings of the 3rd IEEE Conference on Industrial Electronics and Applications 2008, IEEE, Piscataway, N. J., pp. 989-994, doi: 10.1109/ICIEA.2008.4582663.

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Title On performance of transform domain adaptive filters with Markov-2 inputs
Author(s) Zhao, Shengkui
Man, Zhihong
Khoo, Suiyang
Conference name Industrial Electronics and Applications (3rd : 2008 : Nanyang Technological University, Singapore)
Conference location Nanyang Technological University, Singapore
Conference dates 3-5 June 2008
Title of proceedings ICIEA 2008 : Proceedings of the 3rd IEEE Conference on Industrial Electronics and Applications 2008
Editor(s) [Unknown]
Publication date 2008
Conference series Industrial Electronics and Applications
Start page 989
End page 994
Total pages 6
Publisher IEEE
Place of publication Piscataway, N. J.
Summary In this paper, the analysis for the performance of the discrete Fourier transform LMS adaptive filter (DFT-LMS) and the discrete cosine transform LMS adaptive filter (DCT-LMS) for the Markov-2 inputs is presented. To improve the convergence property of the least mean squares (LMS) adaptive filter, the DFT-LMS and DCT-LMS preprocess the inputs with the fixed orthogonal transforms and power normalization. We derive the asymptotic results for the eigenvalues and eigenvalue distributions of the preprocessed input autocorrelation matrices with DFT-LMS and DCT-LMS for Markov-2 inputs. These results explicitly show the superior decorrelation property of DCT-LMS over that of DFT-LMS, and also provide the upper bounds for the eigenvalue spreads of the finite-length DFT-LMS and DCT-LMS adaptive filters. Simulation results are demonstrated to support the analytic results.
ISBN 9781424417179
Language eng
DOI 10.1109/ICIEA.2008.4582663
Field of Research 090603 Industrial Electronics
HERDC Research category E1.1 Full written paper - refereed
Copyright notice ©2008, IEEE
Persistent URL http://hdl.handle.net/10536/DRO/DU:30021301

Document type: Conference Paper
Collection: School of Engineering
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Created: Thu, 10 Dec 2009, 18:46:14 EST by Sui Yang Khoo

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