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Paper Abstract and Keywords
Presentation 2014-03-11 09:55
Evaluation of Error Due to Mutual Coupling in Shortened Far-Field Gain Measurement by Electromagnetic Simulation
Takuichi Hirano, Jiro Hirokawa, Makoto Ando (Tokyo Tech) AP2013-191
Abstract (in Japanese) (See Japanese page) 
(in English) In this report, the error due to the mutual coupling in shortened far-field gain measurement is investigated via numerical simulation by the method of moments. A simulation is performed for two half-wavelength dipole antennas. Discrepancies are observed due to the mutual coupling between two antennas. The discrepancies in calculated distance and gain become smaller as the distance becomes larger. Ripples with a half wavelength due to a standing wave are observed. Averaging technique is proposed to enhance the accuracy of gain measurement. Another simulation is performed for a half-wavelength dipole antenna and an antenna with no-scattering. Ripples are not observed because mutual coupling and standing do not exist in this case.
Keyword (in Japanese) (See Japanese page) 
(in English) Shortened Far-field / Gain / Measurement / Mutual coupling / Error / Dipole antennas / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 487, AP2013-191, pp. 37-40, March 2014.
Paper # AP2013-191 
Date of Issue 2014-03-03 (AP) 
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)
Download PDF AP2013-191

Conference Information
Committee AP  
Conference Date 2014-03-10 - 2014-03-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Koriyama City Rodo Fukushi Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2014-03-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of Error Due to Mutual Coupling in Shortened Far-Field Gain Measurement by Electromagnetic Simulation 
Sub Title (in English)  
Keyword(1) Shortened Far-field  
Keyword(2) Gain  
Keyword(3) Measurement  
Keyword(4) Mutual coupling  
Keyword(5) Error  
Keyword(6) Dipole antennas  
Keyword(7)  
Keyword(8)  
1st Author's Name Takuichi Hirano  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
2nd Author's Name Jiro Hirokawa  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
3rd Author's Name Makoto Ando  
3rd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
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Speaker Author-1 
Date Time 2014-03-11 09:55:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2013-191 
Volume (vol) vol.113 
Number (no) no.487 
Page pp.37-40 
#Pages 4 
Date of Issue 2014-03-03 (AP) 

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