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Paper Abstract and Keywords
Presentation 2007-03-06 13:20
Fast and Stabilized Adaptive Lowpass Filters
Hidenari Kim, Eiji Watanabe (Shibaura Inst. of Tech.), Akinori Nishihara (Tokyo Inst. of Tech.) CAS2006-108 SIP2006-209 CS2006-125
Abstract (in Japanese) (See Japanese page) 
(in English) First-order adaptive infinite impulse response (IIR) lowpass filters have been proposed to find unknown passband-edge frequencies of lowpass signals for removing high frequency noises in speech sounds and for effective subband coding. They use gradient-based algorithm whose objective functions are the mean square of the weighted output of first-order IIR lowpass filters. This paper proposes a new design of adaptive lowpass filters which have enhanced convergence speed and reduced coefficient fluctuation. The idea to realize these properties is to adopt the fast and stabilized algorithm which has introduced to realize adaptive bandpass filters.
Keyword (in Japanese) (See Japanese page) 
(in English) Lowpass Signals / Passband-Edge Frequencies / Fast and Stabilized Algorithm / Adaptive Filter / / / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 568, CAS2006-108, pp. 75-80, March 2007.
Paper # CAS2006-108 
Date of Issue 2007-02-27 (CAS, SIP, CS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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)
Download PDF CAS2006-108 SIP2006-209 CS2006-125

Conference Information
Committee SIP CAS CS  
Conference Date 2007-03-05 - 2007-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Blancart Misasa (Tottori) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal Processing for Communications, Code Theory, etc. 
Paper Information
Registration To CAS 
Conference Code 2007-03-SIP-CAS-CS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Fast and Stabilized Adaptive Lowpass Filters 
Sub Title (in English)  
Keyword(1) Lowpass Signals  
Keyword(2) Passband-Edge Frequencies  
Keyword(3) Fast and Stabilized Algorithm  
Keyword(4) Adaptive Filter  
1st Author's Name Hidenari Kim  
1st Author's Affiliation Shibaura Institute of Technology (Shibaura Inst. of Tech.)
2nd Author's Name Eiji Watanabe  
2nd Author's Affiliation Shibaura Institute of Technology (Shibaura Inst. of Tech.)
3rd Author's Name Akinori Nishihara  
3rd Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
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Speaker Author-1 
Date Time 2007-03-06 13:20:00 
Presentation Time 25 minutes 
Registration for CAS 
Paper # CAS2006-108, SIP2006-209, CS2006-125 
Volume (vol) vol.106 
Number (no) no.568(CAS), no.570(SIP), no.572(CS) 
Page pp.75-80 
Date of Issue 2007-02-27 (CAS, SIP, CS) 

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