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Paper Abstract and Keywords
Presentation 2008-03-14 14:50
Radiation characteristics of a short backfire antenna with Fresnel zone plates
Junji Yamauchi, Osamu Fukushima, Hisamatsu Nakano (Hosei Univ.) AP2007-195
Abstract (in Japanese) (See Japanese page) 
(in English) A short backfire antenna with Fresnel zone plates (FZPs) is analyzed using the body-of-revolution finite-difference time-domain (BOR-FDTD) method. The use of the FZPs that have the effect of focusing the electromagnetic wave contributes to forming a sharp far-field with a subsequent high gain. By choosing the optimum configuration parameters of the antenna, a gain of greater than 19 dBi and a return loss of greater than 15 dB are maintaned over a wide frequency range of 10.7 to 12.7 GHz. To increase the gain at a design frequency of 11 GHz, the modification of the FZPs is investigated. As a result, a maximum gain of 21.6 dBi is obtained near the design frequency.
Keyword (in Japanese) (See Japanese page) 
(in English) Fresnel zone plates / short backfire antenna / body-of-revolution finite-difference time-domain method / / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 543, AP2007-195, pp. 129-133, March 2008.
Paper # AP2007-195 
Date of Issue 2008-03-06 (AP) 
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 AP2007-195

Conference Information
Committee AP  
Conference Date 2008-03-13 - 2008-03-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Nanzan Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) etc. 
Paper Information
Registration To AP 
Conference Code 2008-03-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Radiation characteristics of a short backfire antenna with Fresnel zone plates 
Sub Title (in English)  
Keyword(1) Fresnel zone plates  
Keyword(2) short backfire antenna  
Keyword(3) body-of-revolution finite-difference time-domain method  
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1st Author's Name Junji Yamauchi  
1st Author's Affiliation Hosei University (Hosei Univ.)
2nd Author's Name Osamu Fukushima  
2nd Author's Affiliation Hosei University (Hosei Univ.)
3rd Author's Name Hisamatsu Nakano  
3rd Author's Affiliation Hosei University (Hosei Univ.)
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Speaker Author-2 
Date Time 2008-03-14 14:50:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2007-195 
Volume (vol) vol.107 
Number (no) no.543 
Page pp.129-133 
#Pages 5 
Date of Issue 2008-03-06 (AP) 

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