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Paper Abstract and Keywords
Presentation 2018-07-20 11:10
Modified Calibration Technique of Distance Property for Electric Field Intensity Radiated by Small Dipole Antenna Operated in Solution
Nozomu Ishii (Niigata Univ.), Chakarothai Jerdvisanop, Kanako Wake, Lira Hamada, Soichi Watanabe (NICT) AP2018-62 SANE2018-26 SAT2018-21
Abstract (in Japanese) (See Japanese page) 
(in English) The authors have determined the transmit antenna factor of a reference dipole antenna as a function of the distance by the two-antenna method, using the power transmission formula as the principle of calibration of the electric field probe for measuring the specific absorption rate in the MHz band. The authors propose to estimate the distance property of the average electric field intensity produced by the reference dipole antenna in the liquid. In order to keep the accuracy required for evaluating the conversion factor of the SAR probe, we modify our formulation. Using the method of moments, we determine the desirable length of the reference dipole antenna that enables probe calibration in a container installed in a laboratory. Calculated and estimated transmit antenna factor have a good agreement with each other so that we can confirm the validity of our probe calibration system in the MHz band. In addition, an example of estimating the conversion factor of an SAR probe is presented.
Keyword (in Japanese) (See Japanese page) 
(in English) SAR assessment, / probe calibration / dipole / transmit antenna factor / solution / MHz band / average electric field intensity /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 134, AP2018-62, pp. 119-124, July 2018.
Paper # AP2018-62 
Date of Issue 2018-07-11 (AP, SANE, SAT) 
ISSN Online edition: ISSN 2432-6380
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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 AP2018-62 SANE2018-26 SAT2018-21

Conference Information
Committee AP SANE SAT  
Conference Date 2018-07-18 - 2018-07-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Remote sensing, Sattelite Communication, Radio propagation, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2018-07-AP-SANE-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Modified Calibration Technique of Distance Property for Electric Field Intensity Radiated by Small Dipole Antenna Operated in Solution 
Sub Title (in English)  
Keyword(1) SAR assessment,  
Keyword(2) probe calibration  
Keyword(3) dipole  
Keyword(4) transmit antenna factor  
Keyword(5) solution  
Keyword(6) MHz band  
Keyword(7) average electric field intensity  
Keyword(8)  
1st Author's Name Nozomu Ishii  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Chakarothai Jerdvisanop  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Kanako Wake  
3rd Author's Affiliation National Institute of Information and Communications Technology (NICT)
4th Author's Name Lira Hamada  
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 2018-07-20 11:10:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2018-62, SANE2018-26, SAT2018-21 
Volume (vol) vol.118 
Number (no) no.134(AP), no.135(SANE), no.136(SAT) 
Page pp.119-124(AP), pp.25-30(SANE), pp.61-66(SAT) 
#Pages
Date of Issue 2018-07-11 (AP, SANE, SAT) 


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