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Paper Abstract and Keywords
Presentation 2006-07-27 13:15
An evaluation of systematic uncertainty of measuring antenna gain in the liquid for SAR probe calibration
Hiroki Shiga, Takuhei Akagawa (Niigata Univ.), Nozomu Ishii (Niigata Univ./NICT), Ken-ichi Sato (NTT-AT), Lira Hamada, Soichi Watanabe (NICT) EMCJ2006-26
Abstract (in Japanese) (See Japanese page) 
(in English) The SAR probe is often calibrated by use of the waveguide and the matching dielectric slab below 3GHz. However, the diameter of the probe is comparable with the cross section of the waveguide above 3GHz, then it can deteriorate the accuracy of the calibration. Therefore, we propose a new calibration for the probe, in which the output voltage of the probe can be related to the magnitude of the electric field generated by a reference antenna in the liquid. In this calibration, it is necessary to measure the absolute gain of the reference antenna in the liquid and evaluate Type B standard uncertainty. As a consequence of the uncertainty analysis, we can find some sources which deteriorate the uncertainty.
Keyword (in Japanese) (See Japanese page) 
(in English) SAR / probe calibration / reference antenna / two antenna method / absolute gain / uncertainty / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 182, EMCJ2006-26, pp. 47-50, July 2006.
Paper # EMCJ2006-26 
Date of Issue 2006-07-20 (EMCJ) 
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)
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Conference Information
Committee EMCJ  
Conference Date 2006-07-27 - 2006-07-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMCJ 
Conference Code 2006-07-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An evaluation of systematic uncertainty of measuring antenna gain in the liquid for SAR probe calibration 
Sub Title (in English)  
Keyword(1) SAR  
Keyword(2) probe calibration  
Keyword(3) reference antenna  
Keyword(4) two antenna method  
Keyword(5) absolute gain  
Keyword(6) uncertainty  
Keyword(7)  
Keyword(8)  
1st Author's Name Hiroki Shiga  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Takuhei Akagawa  
2nd Author's Affiliation Niigata University (Niigata Univ.)
3rd Author's Name Nozomu Ishii  
3rd Author's Affiliation Niigata University/National Institute of Information and Communications Technology (Niigata Univ./NICT)
4th Author's Name Ken-ichi Sato  
4th Author's Affiliation NTT Advanced Technology (NTT-AT)
5th Author's Name Lira Hamada  
5th Author's Affiliation National Institute of Information and Communications Technology (NICT)
6th Author's Name Soichi Watanabe  
6th Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2006-07-27 13:15:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2006-26 
Volume (vol) vol.106 
Number (no) no.182 
Page pp.47-50 
#Pages 4 
Date of Issue 2006-07-20 (EMCJ) 

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