Presentation 2000/10/17
A Study on Convergence Speed of an Allpass Adaptive Notch Filter
James Okello, Masaki Nakao, Yoshio Itoh, Yutaka Fukui, Masaki Kobayashi,
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Abstract(in English) In an adaptive notch filter, Which eliminates unknown sinusoids from a wide band signall, it's possible to use second order allpass filter during the implementation. Such kind of realization has an advantage of using a simple adaptive algorithm and orthogonal properties. However, when the notch bandwidth is very narrow, the convergence speed considerably decreases. In this paper we propose a simple method which minimizes the effects of this problem. The effectiveness of the method is also verified using simulation.
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Keyword(in English) Digital signal processing / Adaptive notch filter / convergence speed.
Paper # DSP2000-132, ICD2000-125, IE2000-77
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Committee IE
Conference Date 2000/10/17(1days)
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Registration To Image Engineering (IE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Study on Convergence Speed of an Allpass Adaptive Notch Filter
Sub Title (in English)
Keyword(1) Digital signal processing
Keyword(2) Adaptive notch filter
Keyword(3) convergence speed.
1st Author's Name James Okello
1st Author's Affiliation Faculty of Engineering, Tottori University()
2nd Author's Name Masaki Nakao
2nd Author's Affiliation Faculty of Engineering, Tottori University
3rd Author's Name Yoshio Itoh
3rd Author's Affiliation Faculty of Engineering, Tottori University
4th Author's Name Yutaka Fukui
4th Author's Affiliation Faculty of Engineering, Tottori University
5th Author's Name Masaki Kobayashi
5th Author's Affiliation Faculty of Engineering, Chybu University
Date 2000/10/17
Paper # DSP2000-132, ICD2000-125, IE2000-77
Volume (vol) vol.100
Number (no) 389
Page pp.pp.-
#Pages 6
Date of Issue