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Paper Abstract and Keywords
Presentation 2015-07-10 13:00
Estimation of 3 m Magnetic-field Strength by Loop Antenna System below 30 MHz
Masataka Midori, Yuki Naitou, Hiroshi Kurihara (TDK), Atsuhiro Nishikata (Tokyo Tech), Katsumi Fujii, Takashi Shinozuka (NICT) EMCJ2015-45 EMD2015-22
Abstract (in Japanese) (See Japanese page) 
(in English) Loop antenna system is used in the radiated emission test of induction cooking appliances or electrical lighting equipment below 30 MHz. And the estimation method of magnetic-field strength at 3 m or 10 m is to multiply the current that measured by using the three large loop antenna oriented orthogonally to each other and the conversion factor written in CISPR16-1-4. However, in this method, the estimation error may be increase when EUT has the vertical magnetic dipole moment. In this technical report, we proposed a new estimation method considering the influence of the vertical magnetic dipole moment. In addition, we estimated 3 m magnetic-field strength by the proposed method and measured 3 m magnetic-field strength by actual measurement in 10 m SAC by using the loop antenna that is 45 degrees tilt-rotation and 45 degrees azimuth-rotation instead of EUT. Then, the estimation value is agreement with the measurement value within ±2 dB. We could be confirmed the validity of the new estimation method.
Keyword (in Japanese) (See Japanese page) 
(in English) Estimation Method / Loop Antenna System / Large Loop Antenna / Conversion Factor / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 134, EMCJ2015-45, pp. 7-12, July 2015.
Paper # EMCJ2015-45 
Date of Issue 2015-07-03 (EMCJ, EMD) 
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)
Download PDF EMCJ2015-45 EMD2015-22

Conference Information
Committee EMCJ EMD  
Conference Date 2015-07-10 - 2015-07-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Discharge, Electronic Packaging, EMC 
Paper Information
Registration To EMCJ 
Conference Code 2015-07-EMCJ-EMD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Estimation of 3 m Magnetic-field Strength by Loop Antenna System below 30 MHz 
Sub Title (in English)  
Keyword(1) Estimation Method  
Keyword(2) Loop Antenna System  
Keyword(3) Large Loop Antenna  
Keyword(4) Conversion Factor  
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Keyword(6)  
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1st Author's Name Masataka Midori  
1st Author's Affiliation TDK Corporation (TDK)
2nd Author's Name Yuki Naitou  
2nd Author's Affiliation TDK Corporation (TDK)
3rd Author's Name Hiroshi Kurihara  
3rd Author's Affiliation TDK Corporation (TDK)
4th Author's Name Atsuhiro Nishikata  
4th Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
5th Author's Name Katsumi Fujii  
5th Author's Affiliation National Institute of Information and Communications Technology (NICT)
6th Author's Name Takashi Shinozuka  
6th Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2015-07-10 13:00:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2015-45, EMD2015-22 
Volume (vol) vol.115 
Number (no) no.134(EMCJ), no.135(EMD) 
Page pp.7-12 
#Pages 6 
Date of Issue 2015-07-03 (EMCJ, EMD) 

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