Volume 10, Issue 2 (2010)
MJEE 2010, 10(2): 17-29 |
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Bekrani M, Lotfizad M. Misalignment Analysis of the Three-Level Clipping-Based LMS Adaptive Algorithm in System Identification. MJEE 2010; 10 (2) :17-29
URL: http://mjee.modares.ac.ir/article-17-3778-en.html
URL: http://mjee.modares.ac.ir/article-17-3778-en.html
1- Islamic Azad Univ., Abhar Branch
2- Tarbiat Modares University
2- Tarbiat Modares University
Abstract: (6644 Views)
One of the problems associated with adaptive FIR filters in the identification of systems with long impulse responses, is their excessive computational complexity. Recently a new kind of adaptive filters, based on three-level clipping of the input signal has been presented for reduction of their computational complexity. In this paper, a theoretical analysis of the steady-state misalignment of adaptive filter equipped with the LMS algorithm, based on three-level clipping, is presented and by using it the minimum mean square error is achieved. This analysis can be a basis in the design of the above mentioned filters with appropriate clipping levels and proper step-sizes for system identification applications.
Received: 2010/01/1 | Accepted: 2010/07/2 | Published: 2011/01/1
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