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Paper Abstract and Keywords
Presentation 2007-08-07 08:40
Arbitrary-Order Non-causal Lagrange-Type Variable Fractional-Delay Digital Filters
Tian-Bo Deng (Toho Univ.) SIP2007-72 WBS2007-21
Abstract (in Japanese) (See Japanese page) 
(in English) Liu and Wei have shown that even-order polynomial interpolation can be simplified as a variable fractional-delay (VFD) filtering problem so that the coefficients of an even-order VFD filter can be computed in a closed-form. However, the explicit formula is obtained through observing the coefficients when the polynomial degree is N=2 and N=4 without rigorous proof. This paper derives an explicit formula for computing the coefficients of Lagrange-type VFD filters for both even-order and odd-order cases, and show that the Liu-Wei's closed-form formula is a special case of the derived general one.
Keyword (in Japanese) (See Japanese page) 
(in English) Variable fractional-delay (VFD) / Lagrange polynomial / non-causal Lagrange-type VFD filter / signal interpolation / maximally flat frequency response / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 181, SIP2007-72, pp. 1-5, Aug. 2007.
Paper # SIP2007-72 
Date of Issue 2007-07-31 (SIP, WBS) 
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 SIP2007-72 WBS2007-21

Conference Information
Committee WBS SIP  
Conference Date 2007-08-06 - 2007-08-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Green Hall (2nd fl.), Kochi Green-Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SIP 
Conference Code 2007-08-WBS-SIP 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Arbitrary-Order Non-causal Lagrange-Type Variable Fractional-Delay Digital Filters 
Sub Title (in English)  
Keyword(1) Variable fractional-delay (VFD)  
Keyword(2) Lagrange polynomial  
Keyword(3) non-causal Lagrange-type VFD filter  
Keyword(4) signal interpolation  
Keyword(5) maximally flat frequency response  
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1st Author's Name Tian-Bo Deng  
1st Author's Affiliation Toho University (Toho Univ.)
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Speaker Author-1 
Date Time 2007-08-07 08:40:00 
Presentation Time 25 minutes 
Registration for SIP 
Paper # SIP2007-72, WBS2007-21 
Volume (vol) vol.107 
Number (no) no.181(SIP), no.183(WBS) 
Page pp.1-5 
#Pages 5 
Date of Issue 2007-07-31 (SIP, WBS) 

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