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Paper Abstract and Keywords
Presentation 2018-12-14 10:20
Indirect Measurement Method for S-parameters of Reciprocal Circuits with Measuring a Minor Number of Ports
Noboru Maeda, Shinji Fukui (SOKEN), Toshikazu Sekine, Yasuhiro Takahashi (Gifu Univ.) EMCJ2018-90
Abstract (in Japanese) (See Japanese page) 
(in English) A measurement method for the S-parameters of multiport reciprocal circuits is reported where majority of their ports are connected with some known loads and the remaining minority ports are directly measured by changing the load values to estimate the whole S-matrix. Some of the ports to connect the known loads (indirect-measured ports) are terminated with matched loads to eliminate them and make the number of indirect-measured equal to that of direct-measured. Then, our already proposed method is applied to estimate the partial S-matrix. By repeating this process with changing the terminated ports, the whole S-matrix is estimated straight forwardly. A numerical experiment with a simple PCB is shown to evaluate the validity and the robustness of this method.
Keyword (in Japanese) (See Japanese page) 
(in English) S parameter / indidrect measurement / multiport circuit / automotive components / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 363, EMCJ2018-90, pp. 19-23, Dec. 2018.
Paper # EMCJ2018-90 
Date of Issue 2018-12-07 (EMCJ) 
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)
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Conference Information
Committee EMCJ IEE-EMC  
Conference Date 2018-12-14 - 2018-12-14 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To EMCJ 
Conference Code 2018-12-EMCJ-EMC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Indirect Measurement Method for S-parameters of Reciprocal Circuits with Measuring a Minor Number of Ports 
Sub Title (in English)  
Keyword(1) S parameter  
Keyword(2) indidrect measurement  
Keyword(3) multiport circuit  
Keyword(4) automotive components  
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1st Author's Name Noboru Maeda  
1st Author's Affiliation SOKEN, Inc. (SOKEN)
2nd Author's Name Shinji Fukui  
2nd Author's Affiliation SOKEN, Inc. (SOKEN)
3rd Author's Name Toshikazu Sekine  
3rd Author's Affiliation Gifu University (Gifu Univ.)
4th Author's Name Yasuhiro Takahashi  
4th Author's Affiliation Gifu University (Gifu Univ.)
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Speaker Author-1 
Date Time 2018-12-14 10:20:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2018-90 
Volume (vol) vol.118 
Number (no) no.363 
Page pp.19-23 
#Pages
Date of Issue 2018-12-07 (EMCJ) 


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