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Paper Abstract and Keywords
Presentation 2013-01-25 09:35
Reduction of Cross Polarization at Higher Frequencies in Circularly Polarized Broadband Waveguide Antenna with an L-shaped Probe
Shingo Yamaura, Takeshi Fukusako (Kumamoto Univ.) AP2012-146
Abstract (in Japanese) (See Japanese page) 
(in English) Reduction of cross polarization at higher frequencies is performed for a circularly polarized broadband antenna using a waveguide and an L-shaped feed probe. Cross polarization was enhanced at higher frequencies beyond cutoff frequency of first higher order mode in previously proposed structures by the authors. To reduce the cross polarization, the surface of short wall of the waveguide is modified to be curved. As a result, cross polarization is reduced by 5 dB to 10dB by the short wall with an ellipse-shaped surface.
Keyword (in Japanese) (See Japanese page) 
(in English) Waveguide antenna / Broadband antenna / Circular polarization / L-shaped feed probe / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 384, AP2012-146, pp. 131-134, Jan. 2013.
Paper # AP2012-146 
Date of Issue 2013-01-16 (AP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee AP  
Conference Date 2013-01-23 - 2013-01-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Hotel Merieges (Miyazaki City) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Progation 
Paper Information
Registration To AP 
Conference Code 2013-01-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Reduction of Cross Polarization at Higher Frequencies in Circularly Polarized Broadband Waveguide Antenna with an L-shaped Probe 
Sub Title (in English)  
Keyword(1) Waveguide antenna  
Keyword(2) Broadband antenna  
Keyword(3) Circular polarization  
Keyword(4) L-shaped feed probe  
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1st Author's Name Shingo Yamaura  
1st Author's Affiliation Kumamoto University (Kumamoto Univ.)
2nd Author's Name Takeshi Fukusako  
2nd Author's Affiliation Kumamoto University (Kumamoto Univ.)
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Speaker Author-1 
Date Time 2013-01-25 09:35:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2012-146 
Volume (vol) vol.112 
Number (no) no.384 
Page pp.131-134 
#Pages
Date of Issue 2013-01-16 (AP) 


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