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Paper Abstract and Keywords
Presentation 2010-09-09 15:20
Polarization Realization in Waveguide Slot Array Antennas with a Full-corporate Feed Circuit on the Bottom Layer
Jiro Hirokawa, Miao Zhang, Yohei Miura, Takashi Tomura, Makoto Ando (Tokyo Inst. of Tech.) AP2010-71
Abstract (in Japanese) (See Japanese page) 
(in English) The authors demonstrate the feasibility of structures to realize circular polarization and dual polarization use in waveguide slot array antennas with a full-corporate feed circuit on the bottom layer. The circularly polarized elements reduce the difference in their excitation by placing a narrow exciting slot between a radiating aperture and a cavity. The bandwidth for axial ratio less than 3dB is 5% by controlling the length and the width of the radiating aperture, including the resonant length. The dual polarization use is realized by combining a conventional feed waveguide with longitudinal slots and the other feed waveguide consisting of an E-bend and transverse slots. High isolation more than 50dB is achieved because of cut-off operation against the feed waveguide for the orthogonal polarization, by crossing these two slots perpendicularly at their center.
Keyword (in Japanese) (See Japanese page) 
(in English) waveguide / slot / polarization / dual polarization use / coupling / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 196, AP2010-71, pp. 23-26, Sept. 2010.
Paper # AP2010-71 
Date of Issue 2010-09-02 (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)
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Conference Information
Committee AP MW  
Conference Date 2010-09-09 - 2010-09-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Inst. tech. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) AP 
Paper Information
Registration To AP 
Conference Code 2010-09-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Polarization Realization in Waveguide Slot Array Antennas with a Full-corporate Feed Circuit on the Bottom Layer 
Sub Title (in English)  
Keyword(1) waveguide  
Keyword(2) slot  
Keyword(3) polarization  
Keyword(4) dual polarization use  
Keyword(5) coupling  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Jiro Hirokawa  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
2nd Author's Name Miao Zhang  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
3rd Author's Name Yohei Miura  
3rd Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
4th Author's Name Takashi Tomura  
4th Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
5th Author's Name Makoto Ando  
5th Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
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Speaker Author-1 
Date Time 2010-09-09 15:20:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2010-71 
Volume (vol) vol.110 
Number (no) no.196 
Page pp.23-26 
#Pages 4 
Date of Issue 2010-09-02 (AP) 

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