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Paper Abstract and Keywords
Presentation 2011-12-09 15:35
Frequency Dependence of Statistics for Voxel Average SARs in Infant Model for Vertically Polarized Far Field Exposure
Ryota Asayama, Jianqing Wang, Osamu Fujiwara (NIT), Tomoaki Nagaoka, Soichi Watanabe (NICT) EMCJ2011-108
Abstract (in Japanese) (See Japanese page) 
(in English) Whole-body averaged specific absorption rates (WBA-SARs) is being used in various countries for radio-wave exposure. However, the safety limits are based on the behavioral destruction of healthy adult animals for radio frequency exposure, while these are not being derived from experimental results for young and pregnant animals. For this reason, we think that absorption properties in children and pregnant women for electromagnetic wave exposure should further be investigated. In this study, we calculated the WBA-SARs in 3-years, 5-years, 7-years and 22-years anatomical human models for vertically polarized far field exposure, and statistically analyzed their voxel SARs in the frequency range from 50MHz to 2GHz. As a result, we found that in comparison with the WBA-SARs, 50-percentile voxel SARs (median) in child models and 22-years model are smaller by 24-67 % (40 % at frequencies over 400 MHz) and by 13-62 % (50 % at frequencies over 400 MHz), respectively.
Keyword (in Japanese) (See Japanese page) 
(in English) Whole-body average SAR / far field exposure / child FDTD model / voxel SAR / frequency characteristics / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 335, EMCJ2011-108, pp. 95-98, Dec. 2011.
Paper # EMCJ2011-108 
Date of Issue 2011-12-02 (EMCJ) 
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 EMCJ IEE-EMC  
Conference Date 2011-12-09 - 2011-12-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Inst. of Tech. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Power electronics, Biomedical, EMC, etc. 
Paper Information
Registration To EMCJ 
Conference Code 2011-12-EMCJ-EMC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Frequency Dependence of Statistics for Voxel Average SARs in Infant Model for Vertically Polarized Far Field Exposure 
Sub Title (in English)  
Keyword(1) Whole-body average SAR  
Keyword(2) far field exposure  
Keyword(3) child FDTD model  
Keyword(4) voxel SAR  
Keyword(5) frequency characteristics  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Ryota Asayama  
1st Author's Affiliation Graduate School of Nagoya Institute of Technology (NIT)
2nd Author's Name Jianqing Wang  
2nd Author's Affiliation Graduate School of Nagoya Institute of Technology (NIT)
3rd Author's Name Osamu Fujiwara  
3rd Author's Affiliation Graduate School of Nagoya Institute of Technology (NIT)
4th Author's Name Tomoaki Nagaoka  
4th Author's Affiliation National Institute of Information and Communications Technology (NICT)
5th Author's Name Soichi Watanabe  
5th Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2011-12-09 15:35:00 
Presentation Time 20 minutes 
Registration for EMCJ 
Paper # EMCJ2011-108 
Volume (vol) vol.111 
Number (no) no.335 
Page pp.95-98 
#Pages 4 
Date of Issue 2011-12-02 (EMCJ) 

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