Presentation 2008-06-12
A Study on Noise Robust Equation Error Algorithm Based on Estimation of Correlation Function with Variable Delay
Naoto Sasaoka, Ryuichi Kanagawa, Eiji Kuno, James Okello, Yoshio Itoh, Masaki Kobayashi,
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Abstract(in English) In this paper, we propose an Equation error adaptive algorithm (EQ-E) for an infinite impulse response (IIR) adaptive digital filter (ADF). In the presence of a disturbance signal, the coefficients of the equation error based an ADF converge to solutions with bias. In order to solve the problem, the proposed algorithm assumes that a disturbance signal is independent from an input signal in a practical situation. By estimating the correlation functions, the effect of the disturbance signal onto the convergence of the algorithm is reduced. Simulation results that have been provided confirm the improvement in performance of the EQ-E IIR ADF when the disturbance is either white or color signal.
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Keyword(in English) IIR adaptive digital filter / equation error algorithm / bias free / correlation function
Paper # SIS2008-6
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Conference Date 2008/6/5(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Study on Noise Robust Equation Error Algorithm Based on Estimation of Correlation Function with Variable Delay
Sub Title (in English)
Keyword(1) IIR adaptive digital filter
Keyword(2) equation error algorithm
Keyword(3) bias free
Keyword(4) correlation function
1st Author's Name Naoto Sasaoka
1st Author's Affiliation Graduate school of Engineering, Tottori University()
2nd Author's Name Ryuichi Kanagawa
2nd Author's Affiliation Graduate school of Engineering, Tottori University
3rd Author's Name Eiji Kuno
3rd Author's Affiliation Department of Information System Engineering, Polytechnic University
4th Author's Name James Okello
4th Author's Affiliation System IP Core Research Laboratories, NEC Corporatior
5th Author's Name Yoshio Itoh
5th Author's Affiliation Graduate school of Engineering, Tottori University
6th Author's Name Masaki Kobayashi
6th Author's Affiliation College of Engineering, Chubu University
Date 2008-06-12
Paper # SIS2008-6
Volume (vol) vol.108
Number (no) 85
Page pp.pp.-
#Pages 6
Date of Issue