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Paper Abstract and Keywords
Presentation 2017-06-02 13:50
Direct coupling reduction by electromagnetic bandgap structures in tapered slot antenna array
Takumi Hirano, Kazutaka Kikuta, Akira Hirose (Univ. Tokyo) EMT2017-4 Link to ES Tech. Rep. Archives: EMT2017-4
Abstract (in Japanese) (See Japanese page) 
(in English) In radar imaging, a spatially high-density antenna array using wideband elements are used. In the high-density antenna array, the antenna element interval is so small that the direct coupling among the antennas becomes a serious problem. In this paper, we propose a new wideband tapered slot antenna array using electromagnetic bandgap structures. The proposed antenna array reduces the direct coupling while maintaining the same bandwidth. The antenna gain has also increased. In addition, by considering the radius of the via in designing the electromagnetic bandgap structure, we obtained a higher accuracy in the stopband estimation. We also propose structures with less anisotropy.
Keyword (in Japanese) (See Japanese page) 
(in English) Tapered slot antenna array / Direct coupling / EBG structures / CRLH transmission line / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 74, EMT2017-4, pp. 31-36, June 2017.
Paper # EMT2017-4 
Date of Issue 2017-05-26 (EMT) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 EMT2017-4 Link to ES Tech. Rep. Archives: EMT2017-4

Conference Information
Committee EMT IEE-EMT  
Conference Date 2017-06-02 - 2017-06-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Nihon University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Electromagnetic Theory, etc. 
Paper Information
Registration To EMT 
Conference Code 2017-06-EMT-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Direct coupling reduction by electromagnetic bandgap structures in tapered slot antenna array 
Sub Title (in English)  
Keyword(1) Tapered slot antenna array  
Keyword(2) Direct coupling  
Keyword(3) EBG structures  
Keyword(4) CRLH transmission line  
1st Author's Name Takumi Hirano  
1st Author's Affiliation The University of Tokyo (Univ. Tokyo)
2nd Author's Name Kazutaka Kikuta  
2nd Author's Affiliation The University of Tokyo (Univ. Tokyo)
3rd Author's Name Akira Hirose  
3rd Author's Affiliation The University of Tokyo (Univ. Tokyo)
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Date Time 2017-06-02 13:50:00 
Presentation Time 25 
Registration for EMT 
Paper # EMT2017-4 
Volume (vol) 117 
Number (no) no.74 
Page pp.31-36 
Date of Issue 2017-05-26 (EMT) 

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