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Paper Abstract and Keywords
Presentation 2026-05-21 16:20
Tightly Coupled Dipole Array Antenna with Conductor Walls at Both Ends of Aperture
Hikaru Watanabe, Tai Tanaka, Toru Takahashi (Mitsubishi Electric Corp.) AP2026-23
Abstract (in Japanese) (See Japanese page) 
(in English) Tightly Coupled Dipole Arrays (TCDAs) are widely used in wideband phased arrays for communication and multifunction radar systems because of their broad bandwidth. However, achieving low reflection across a desired frequency band typically requires an array aperture on the order of the free-space wavelength at the band’s lower edge. In this paper, we propose a structure that improves low‑frequency reflection for arrays with small apertures. The feasibility of the proposed design is demonstrated by numerical simulations and experimental measurements.
Keyword (in Japanese) (See Japanese page) 
(in English) Ultra-Wideband / Array Antenna / Active Reflection / / / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 32, AP2026-23, pp. 33-38, May 2026.
Paper # AP2026-23 
Date of Issue 2026-05-14 (AP) 
ISSN 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 AP2026-23

Conference Information
Committee AP  
Conference Date 2026-05-21 - 2026-05-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagasaki University Technology Innovation Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2026-05-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Tightly Coupled Dipole Array Antenna with Conductor Walls at Both Ends of Aperture 
Sub Title (in English)  
Keyword(1) Ultra-Wideband  
Keyword(2) Array Antenna  
Keyword(3) Active Reflection  
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1st Author's Name Hikaru Watanabe  
1st Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
2nd Author's Name Tai Tanaka  
2nd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
3rd Author's Name Toru Takahashi  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
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Speaker Author-1 
Date Time 2026-05-21 16:20:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2026-23 
Volume (vol) vol.126 
Number (no) no.32 
Page pp.33-38 
#Pages 6 
Date of Issue 2026-05-14 (AP) 

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