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Paper Abstract and Keywords
Presentation 2022-10-13 14:35
Faster Convergence of An Adaptive Notch Filter using Variable Step Size
Rei Shiroeda, Yasutomo Kinugasa (Institute of Tech.), Naoto Sasaoka, Yoshio Itoh (Tottori Univ.) SIS2022-13
Abstract (in Japanese) (See Japanese page) 
(in English) A cascaded second order adaptive notch filters implemented using an allpass filter, for the elimination of multiple sinusoids, have been proposed. Various adaptive algorithms for the adaptive notch filters are used. As the one of them, an adaptive algorithm which has a reduced bias in comparison to the gradient based algorithm has been proposed. Moreover, the range of the step size for the adaptive notch filter to be stable has been derived. Although the upper limit requires the narrow band signal, it is impossible to use the narrow band signal. To solve this problem, the input signal was used. However, the fast convergence speed could not obtained. In this paper, we propose that the band pass output signal from the adaptive notch filter is used as the upper limit value to obtain the fast convergence speed. Finally, the computer simulation results are presented to confirm the convergence characteristics.
method to improve the convergence speed, and report the results of good convergence characteristics.
Keyword (in Japanese) (See Japanese page) 
(in English) Adaptive Notch Filter / Allpass Filter / Variable step size / / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 209, SIS2022-13, pp. 13-16, Oct. 2022.
Paper # SIS2022-13 
Date of Issue 2022-10-06 (SIS) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee SIS ITE-BCT  
Conference Date 2022-10-13 - 2022-10-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Hachinohe Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SIS 
Conference Code 2022-10-SIS-BCT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Faster Convergence of An Adaptive Notch Filter using Variable Step Size 
Sub Title (in English)  
Keyword(1) Adaptive Notch Filter  
Keyword(2) Allpass Filter  
Keyword(3) Variable step size  
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1st Author's Name Rei Shiroeda  
1st Author's Affiliation National Institute of Technology, Matsue College (Institute of Tech.)
2nd Author's Name Yasutomo Kinugasa  
2nd Author's Affiliation National Institute of Technology, Matsue College (Institute of Tech.)
3rd Author's Name Naoto Sasaoka  
3rd Author's Affiliation Tottori University (Tottori Univ.)
4th Author's Name Yoshio Itoh  
4th Author's Affiliation Tottori University (Tottori Univ.)
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Speaker Author-1 
Date Time 2022-10-13 14:35:00 
Presentation Time 20 minutes 
Registration for SIS 
Paper # SIS2022-13 
Volume (vol) vol.122 
Number (no) no.209 
Page pp.13-16 
#Pages 4 
Date of Issue 2022-10-06 (SIS) 

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