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Paper Abstract and Keywords
Presentation 2015-01-16 16:10
Design of a Filtering Antenna Based on Parameter-Extraction Method Using Input Reflection Responses
Kazuma Yamanaka, Masataka Ohira, Zhewang Ma (Saitama Univ.) ED2014-137 MW2014-201
Abstract (in Japanese) (See Japanese page) 
(in English) The filtering antenna is basically composed of an N-th order bandpass filter obtained by replacing N-th resonator with an antenna. In the design of filtering antenna, external Q factor, coupling coefficients, and radiation Q factor need to be evaluated. However, a conventional design method for bandpass filters cannot extract a coupling coefficient between the N-th resonator and the antenna, and the radiation Q factor of the antenna. In this paper, we propose a parameter-extraction method using input reflection responses to extract both the coupling coefficient and the radiation Q factor of the antenna. For this method, we analytically derive two equations from an equivalent circuit model of filtering antennas in order to express the coupling coefficient and the radiation Q factor. As an example, a fifth-order filtering antenna is synthesized and designed, which numerically validates the effectiveness of the proposed design method for filtering antennas.
Keyword (in Japanese) (See Japanese page) 
(in English) Filtering antenna / radiation Q factor / coupling coefficient / input reflection responses / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 392, MW2014-201, pp. 117-122, Jan. 2015.
Paper # MW2014-201 
Date of Issue 2015-01-08 (ED, MW) 
ISSN Print edition: ISSN 0913-5685    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 ED2014-137 MW2014-201

Conference Information
Committee MW ED  
Conference Date 2015-01-15 - 2015-01-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Compound Semiconductor IC and High-Speed, High-Frequency Devices/Microwave Technologies 
Paper Information
Registration To MW 
Conference Code 2015-01-MW-ED 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design of a Filtering Antenna Based on Parameter-Extraction Method Using Input Reflection Responses 
Sub Title (in English)  
Keyword(1) Filtering antenna  
Keyword(2) radiation Q factor  
Keyword(3) coupling coefficient  
Keyword(4) input reflection responses  
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Keyword(6)  
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1st Author's Name Kazuma Yamanaka  
1st Author's Affiliation Saitama University (Saitama Univ.)
2nd Author's Name Masataka Ohira  
2nd Author's Affiliation Saitama University (Saitama Univ.)
3rd Author's Name Zhewang Ma  
3rd Author's Affiliation Saitama University (Saitama Univ.)
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Speaker Author-1 
Date Time 2015-01-16 16:10:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # ED2014-137, MW2014-201 
Volume (vol) vol.114 
Number (no) no.391(ED), no.392(MW) 
Page pp.117-122 
#Pages 6 
Date of Issue 2015-01-08 (ED, MW) 

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