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Paper Abstract and Keywords
Presentation 2012-03-09 09:20
A Design Method for IIR Filters with Changeable Multifactors in the Stopband Using Successive Projection Method
Toma Miyata, Naoyuki Aikawa (Tokyo Univ. of Science) CAS2011-150 SIP2011-170 CS2011-142
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose a design method for variable IIR digital filters with changeable multifactors in the stopband using the successive projection (SP) method.
The SP method is less computer memory to design digital filters than semidefinite programming.
The proposed variable IIR filter has piecewise high stopband attenuation in the stopband, and the filter varies stopband edge frequency, and both the frequency and its magnitude in the picewise high attenuation.
The filter coefficients are composed polynomial expression using spectrum parameters to vary the filter characteristics.
Stability criterion based on the system matrix as necessary and sufficient condition is used to guarantee the filter stability.
Then, the proposed filter has a larger stopband attenuation than one obtained by the conventional method.
In addition, we propose correcting method of unstable polynomial coefficients to stable one.
Finaly, we demonstrate effectiveness of the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) Successive projection method / Variable IIR filters / Stability criterion method / / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 466, SIP2011-170, pp. 239-244, March 2012.
Paper # SIP2011-170 
Date of Issue 2012-03-01 (CAS, SIP, CS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
Download PDF CAS2011-150 SIP2011-170 CS2011-142

Conference Information
Committee CAS CS SIP  
Conference Date 2012-03-08 - 2012-03-09 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Niigata 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network Processor, Signal Processing for communication, and Wireless LAN/PAN, etc. 
Paper Information
Registration To SIP 
Conference Code 2012-03-CAS-CS-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Design Method for IIR Filters with Changeable Multifactors in the Stopband Using Successive Projection Method 
Sub Title (in English)  
Keyword(1) Successive projection method  
Keyword(2) Variable IIR filters  
Keyword(3) Stability criterion method  
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1st Author's Name Toma Miyata  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Naoyuki Aikawa  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker Author-1 
Date Time 2012-03-09 09:20:00 
Presentation Time 25 minutes 
Registration for SIP 
Paper # CAS2011-150, SIP2011-170, CS2011-142 
Volume (vol) vol.111 
Number (no) no.465(CAS), no.466(SIP), no.467(CS) 
Page pp.239-244 
#Pages 6 
Date of Issue 2012-03-01 (CAS, SIP, CS) 

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