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Paper Abstract and Keywords
Presentation 2010-11-18 17:00
Temporally static representation of phase related quantity for periodic signals
Hideki Kawahara (Wakayama Univ.), Masanori Morise (Ritsumeikan Univ.), Toshio Irino (Wakayama Univ.) SP2010-77
Abstract (in Japanese) (See Japanese page) 
(in English) An averaged power spectrum, which is calculated from two power spectra using two time windows a half pitch-period apart, does not depend on the relative phase between the analyzed signal and the windows. This article introduces a procedure to calculate instantaneous frequency, which yields temporally static representation of the instantaneous frequency of periodic signals. The proposed method is derived from the famous Flanagan's equation. Specifically, a power weighted average of instantaneous frequencies, which are calculated using the Flanagan's equation, yields this temporally static representation. A proof of the independence of the proposed representation on the relative phase between the analyzed signal and the windows is presented assuming weak conditions on the windowing function. Performance evaluation tests are conducted for popular windowing functions and their results are discussed.
Keyword (in Japanese) (See Japanese page) 
(in English) TANDEM windowing / instantaneous frequency / Flanagan's equation / periodic signals / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 297, SP2010-77, pp. 47-51, Nov. 2010.
Paper # SP2010-77 
Date of Issue 2010-11-11 (SP) 
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 SP2010-77

Conference Information
Committee SP  
Conference Date 2010-11-18 - 2010-11-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Aichi Prefectural Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SP 
Conference Code 2010-11-SP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Temporally static representation of phase related quantity for periodic signals 
Sub Title (in English)  
Keyword(1) TANDEM windowing  
Keyword(2) instantaneous frequency  
Keyword(3) Flanagan's equation  
Keyword(4) periodic signals  
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1st Author's Name Hideki Kawahara  
1st Author's Affiliation Wakayama University (Wakayama Univ.)
2nd Author's Name Masanori Morise  
2nd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
3rd Author's Name Toshio Irino  
3rd Author's Affiliation Wakayama University (Wakayama Univ.)
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Speaker Author-1 
Date Time 2010-11-18 17:00:00 
Presentation Time 30 minutes 
Registration for SP 
Paper # SP2010-77 
Volume (vol) vol.110 
Number (no) no.297 
Page pp.47-51 
#Pages 5 
Date of Issue 2010-11-11 (SP) 

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