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Paper Abstract and Keywords
Presentation 2022-05-20 13:00
Loss Less Beam Forming Network for an Array Antenna with Arbitral Excitation Coefficient
Toru Fukasawa, Yoshio Inasawa (Mitsubishi Electric Co.) AP2022-26
Abstract (in Japanese) (See Japanese page) 
(in English) Each antenna element in an array antenna should be excited by designed ratios to obtain desired antenna pattern. Each antenna element is fed by a BFN (Beam Forming Network). The ideal BFN has no reflection at an input port and the designed excite coefficient at each antenna element. If BFN is composed of loss less circuit, it is vulnerable against reflection or mutual coupling of antenna elements. This report proposes the novel loss less BFN and the design method that realizes designed excite coefficients and no reflection at an input port under the condition that antenna elements have reflections and mutual couplings.
Keyword (in Japanese) (See Japanese page) 
(in English) antenna / array / beam forming network / loss less / cupling / reflection / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 34, AP2022-26, pp. 85-89, May 2022.
Paper # AP2022-26 
Date of Issue 2022-05-12 (AP) 
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 AP2022-26

Conference Information
Committee AP  
Conference Date 2022-05-19 - 2022-05-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Kobe Port Oasis 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2022-05-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Loss Less Beam Forming Network for an Array Antenna with Arbitral Excitation Coefficient 
Sub Title (in English)  
Keyword(1) antenna  
Keyword(2) array  
Keyword(3) beam forming network  
Keyword(4) loss less  
Keyword(5) cupling  
Keyword(6) reflection  
1st Author's Name Toru Fukasawa  
1st Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Co.)
2nd Author's Name Yoshio Inasawa  
2nd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Co.)
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Speaker Author-1 
Date Time 2022-05-20 13:00:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2022-26 
Volume (vol) vol.122 
Number (no) no.34 
Page pp.85-89 
Date of Issue 2022-05-12 (AP) 

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