Transform-Domain Adaptive Constrained Normalized-LMS Filtering Scheme for Time Delay Estimation(Digital Signal Processing)

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概要

• 論文の詳細を見る

• The convergence speed of the conventional adaptive LMS algorithms for time delay estimation (TDE) is highly dependent on the spectral distribution of the desired random source signals of interest, thus the performance of TDE might be degraded, dramatically. To solve this problem, in this letter, a DCT-transform domain constrained adaptive normalized-LMS filtering scheme, referred to as the adaptive constrained DCT-LMS algorithm, is devised for TDE. Computer simulation results verify that the proposed scheme can be used to achieve desired performance, for input random signals with different spectral distributions; it outperforms the unconstrained DCT-LMS and time-domain constrained adaptive LMS algorithms.

• 社団法人電子情報通信学会の論文
• 2006-08-01

著者

• Huang Chi-hui

  Department Of Electrical Engineering National Sun Yat-sen University

• LIN Shyh-Neng

  Department of Computer and Communication, National Pingtung Institute of Commerce

• Lin Shyh-neng

  Department Of Computer And Communication National Pingtung Institute Of Commerce

• Lin Shyh-neng

  Department Of Electrical Engineering Nan-joen Institute Of Technology

• CHERN Shiunn-Jang

  Department of Electrical Engineering, National Sun Yat-Sen University

• JIAN Jiun-Je

  Department of Electrical Engineering, National Sun Yat-Sen University

• Chern Shiunn‐jang

  National Sun Yat‐sen Univ. Kaohsiung Twn

• Jian Jiun-je

  Department Of Electrical Engineering National Sun Yat-sen University

• Chern Shiunn-jang

  Department Of Electrical Engineering National Sun Yat-sen University

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