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Paper Abstract and Keywords
Presentation 2009-01-23 15:00
Ovserving development of autonomic-nervve from using wavelet analysis of fetal heart rate variability
Maki Takada (Tokyo Univ. of Scie nce.), Ikuko Makino (Tokyo Women`s Medical Univ Medical Center East), Toshihiro Furukawa (Tokyo Univ. of Scie nce.), Koichiro Takagi (Tokyo Women`s Medical Univ Medical Center East) MBE2008-79
Abstract (in Japanese) (See Japanese page) 
(in English) It is a barometer to measure the state of health for growing fetal autonomic-nerve. We have paid aconsiderable attention to the method to observe growth. Conventionaly, docotor’s naked eyes observe growth autonomic-nerve on fetal heart rate. This conventional method is lack objective view because judgement is different from experience and sense. Futhermore, there is a difficult case to judge by naked eyes, and not to observe minute variation. Therefore, new analytical method is demand. In the past, the method using power sepctral analysis was suggested as objective method. But variation in time domain can’t be detected by power spectral analysis. So the target is only stationary term in heart rate. In this study, we suggest the method using wavelet analysis which is used in time-frequency analysis that also apply any term. We observe variation in frequency domain with growing autonomic-nerve from result of wavelet analysis. Wavelet analysis can detect variation in time domain, we exepect to target new information from result of wavelet analysis. And we show effectiveness of our method.
Keyword (in Japanese) (See Japanese page) 
(in English) Wavelet / Autonomic-nerve / Fetal Heart Rate / Projection / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 405, MBE2008-79, pp. 15-18, Jan. 2009.
Paper # MBE2008-79 
Date of Issue 2009-01-16 (MBE) 
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)
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Conference Information
Committee MBE  
Conference Date 2009-01-23 - 2009-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Saga University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) ME in general 
Paper Information
Registration To MBE 
Conference Code 2009-01-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Ovserving development of autonomic-nervve from using wavelet analysis of fetal heart rate variability 
Sub Title (in English)  
Keyword(1) Wavelet  
Keyword(2) Autonomic-nerve  
Keyword(3) Fetal Heart Rate  
Keyword(4) Projection  
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Keyword(8)  
1st Author's Name Maki Takada  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Scie nce.)
2nd Author's Name Ikuko Makino  
2nd Author's Affiliation Tokyo Women's Medical University (Tokyo Women`s Medical Univ Medical Center East)
3rd Author's Name Toshihiro Furukawa  
3rd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Scie nce.)
4th Author's Name Koichiro Takagi  
4th Author's Affiliation Tokyo Women's Medical University (Tokyo Women`s Medical Univ Medical Center East)
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Speaker Author-1 
Date Time 2009-01-23 15:00:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2008-79 
Volume (vol) vol.108 
Number (no) no.405 
Page pp.15-18 
#Pages 4 
Date of Issue 2009-01-16 (MBE) 

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