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Paper Abstract and Keywords
Presentation 2007-05-25 13:30
Measurement of complex permittivity of constraction material bystanding wave method based on spherical waves
Yosuke Nishikata, Hiroaki Komatsu, Nozomu Ishii, Michio Miyakawa (Niigata Univ.) EMCJ2007-11
Abstract (in Japanese) (See Japanese page) 
(in English) We have studied standing-wave method using a point source as a method of measuring the complex permittivity of the construction material. In this report, a simple measurement system was set up and the magnitude of the electric field was measured as a fuction of the distance between the material and the receiving antenna. The measured data were fitted to theoretical curve to obtain the reflection coefficient in front of the material. Our proposed method is made valid by comparing the resulting complex permittivity with that measured by probe contact method. Also, the technique for reducing computation time that proposed before is useful for measured wavefront of the electric field produced in front of the material.
Keyword (in Japanese) (See Japanese page) 
(in English) Complex permittivity / Standing-wave method / Diffracted wave / Nonlinear least-square method / Transmission line model / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 68, EMCJ2007-11, pp. 7-10, May 2007.
Paper # EMCJ2007-11 
Date of Issue 2007-05-18 (EMCJ) 
ISSN Print edition: ISSN 0913-5685    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)
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Conference Information
Committee EMCJ  
Conference Date 2007-05-25 - 2007-05-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Niigata University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMCJ 
Conference Code 2007-05-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Measurement of complex permittivity of constraction material bystanding wave method based on spherical waves 
Sub Title (in English)  
Keyword(1) Complex permittivity  
Keyword(2) Standing-wave method  
Keyword(3) Diffracted wave  
Keyword(4) Nonlinear least-square method  
Keyword(5) Transmission line model  
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1st Author's Name Yosuke Nishikata  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Hiroaki Komatsu  
2nd Author's Affiliation Niigata University (Niigata Univ.)
3rd Author's Name Nozomu Ishii  
3rd Author's Affiliation Niigata University (Niigata Univ.)
4th Author's Name Michio Miyakawa  
4th Author's Affiliation Niigata University (Niigata Univ.)
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Speaker Author-3 
Date Time 2007-05-25 13:30:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2007-11 
Volume (vol) vol.107 
Number (no) no.68 
Page pp.7-10 
#Pages
Date of Issue 2007-05-18 (EMCJ) 


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