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Paper Abstract and Keywords
Presentation 2009-10-15 13:40
Farrow Structure of Variable Notch FIR Digital Filters Using Reduction Method of Polynomial Coefficients
Toma Miyata, Naoyuki Aikawa (Tokyo Univ. of Science) SIP2009-58 IE2009-83
Abstract (in Japanese) (See Japanese page) 
(in English) In this report, we propose a design method of FIR digital filters obtaining qausi-equiripple characteristic even if some notch frequencies change. A change in filter coefficients which depends on a change in notch frequencies is approximated by the polynomials using some variable parameters. In this method, the minimization problem for the polynomial coefficients with variable notches are formulated as semidefinite programming (SDP) in the frequency domain. However, the polynomial coefficients increase when variable parameters are the plural number.
Therefore, we propose a reduction method of the polynomial coefficients.
The values of term of high order in the polynomials are very small when variable parameters are the plural number and the polynomial orders are high order.
As a result, the polynomial coefficients are able to reduce.
Moreover we propose the suitable structure for the real time signal processing. We show effectiveness of the proposed method through an example.
Keyword (in Japanese) (See Japanese page) 
(in English) FIR filter / variable notches digital filter / SDP method / Farrow structure / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 226, SIP2009-58, pp. 11-16, Oct. 2009.
Paper # SIP2009-58 
Date of Issue 2009-10-08 (SIP, IE) 
ISSN Print edition: ISSN 0913-5685    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)
Download PDF SIP2009-58 IE2009-83

Conference Information
Committee SIP IE IPSJ-SLDM  
Conference Date 2009-10-15 - 2009-10-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Awara Onsen "Matsuya Sensen" 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Processor, DSP, image processing, etc. 
Paper Information
Registration To SIP 
Conference Code 2009-10-SIP-IE-SLDM 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Farrow Structure of Variable Notch FIR Digital Filters Using Reduction Method of Polynomial Coefficients 
Sub Title (in English)  
Keyword(1) FIR filter  
Keyword(2) variable notches digital filter  
Keyword(3) SDP method  
Keyword(4) Farrow structure  
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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 2009-10-15 13:40:00 
Presentation Time 20 minutes 
Registration for SIP 
Paper # SIP2009-58, IE2009-83 
Volume (vol) vol.109 
Number (no) no.226(SIP), no.227(IE) 
Page pp.11-16 
#Pages 6 
Date of Issue 2009-10-08 (SIP, IE) 

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