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Paper Abstract and Keywords
Presentation 2017-07-21 10:35
Numerical Analysis and Evaluation of Antenna Characteristics Evaluations of High-Gain 3-Dimensional Printed Reflectarray Antenna for W-Band Millimeter-Wave Radar Applications
Shunichi Futatsumori, Kazuyuki Morioka, Akiko Kohmura, Nobuhiro Sakamoto, Tomio Soga, Naruto Yonemoto (ENRI) EMT2017-24 MW2017-49 OPE2017-29 EST2017-26 MWP2017-26 Link to ES Tech. Rep. Archives: EMT2017-24 MW2017-49 OPE2017-29 EST2017-26 MWP2017-26
Abstract (in Japanese) (See Japanese page) 
(in English) This report discusses the numerical analysis and evaluation of antenna characteristics of high-gain 3-dimensional (3D) printed reflectarray antenna for W-band millimeter-wave radar applications. The reflectarray antenna is advantageous in that it has a simple and flat structure. In addition, low-cost fabrication can be achieved using 3D printers. This study describes the fabrication of a 3D printed reflectarray antenna whose gain is more than 30 dBi in the W-band. First, the reflection signal phase of dielectric plates of different thickness are analyzed using finite-difference time-domain (FDTD) analysis to obtain the characteristics of the reflectarray design. Then, the eight-zone Fresnel reflectarray, in which each zone is separated by a phase difference of 45°, is analyzed and fabricated. The FDTD analysis result shows a 31.6 dBi antenna gain at 78.5 GHz. Finally, the designed reflectarray is fabricated using a commercially available 3D printer. The measurements indicate that a 30.4 dBi antenna gain is achieved, which is almost the same as the analyzed value at 78.5 GHz.
Keyword (in Japanese) (See Japanese page) 
(in English) Finite-difference time-domain method / Obstacle detection / 3-dimensional printer / Helicopter / Millimeter-wave radar / W-band / Reflectarray antenna /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 142, EST2017-26, pp. 95-100, July 2017.
Paper # EST2017-26 
Date of Issue 2017-07-13 (EMT, MW, OPE, EST, MWP) 
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 EMT2017-24 MW2017-49 OPE2017-29 EST2017-26 MWP2017-26 Link to ES Tech. Rep. Archives: EMT2017-24 MW2017-49 OPE2017-29 EST2017-26 MWP2017-26

Conference Information
Committee MWP OPE EMT MW EST IEE-EMT  
Conference Date 2017-07-20 - 2017-07-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Obihiro Chamber of Commerce and Industry 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Light wave & Electromagnetic Wave Workshop 
Paper Information
Registration To EST 
Conference Code 2017-07-MWP-OPE-EMT-MW-EST-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Numerical Analysis and Evaluation of Antenna Characteristics Evaluations of High-Gain 3-Dimensional Printed Reflectarray Antenna for W-Band Millimeter-Wave Radar Applications 
Sub Title (in English)  
Keyword(1) Finite-difference time-domain method  
Keyword(2) Obstacle detection  
Keyword(3) 3-dimensional printer  
Keyword(4) Helicopter  
Keyword(5) Millimeter-wave radar  
Keyword(6) W-band  
Keyword(7) Reflectarray antenna  
Keyword(8)  
1st Author's Name Shunichi Futatsumori  
1st Author's Affiliation Electronic Navigation Research Institute (ENRI)
2nd Author's Name Kazuyuki Morioka  
2nd Author's Affiliation Electronic Navigation Research Institute (ENRI)
3rd Author's Name Akiko Kohmura  
3rd Author's Affiliation Electronic Navigation Research Institute (ENRI)
4th Author's Name Nobuhiro Sakamoto  
4th Author's Affiliation Electronic Navigation Research Institute (ENRI)
5th Author's Name Tomio Soga  
5th Author's Affiliation Electronic Navigation Research Institute (ENRI)
6th Author's Name Naruto Yonemoto  
6th Author's Affiliation Electronic Navigation Research Institute (ENRI)
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Speaker
Date Time 2017-07-21 10:35:00 
Presentation Time 25 
Registration for EST 
Paper # IEICE-EMT2017-24,IEICE-MW2017-49,IEICE-OPE2017-29,IEICE-EST2017-26,IEICE-MWP2017-26 
Volume (vol) IEICE-117 
Number (no) no.139(EMT), no.140(MW), no.141(OPE), no.142(EST), no.143(MWP) 
Page pp.95-100 
#Pages IEICE-6 
Date of Issue IEICE-EMT-2017-07-13,IEICE-MW-2017-07-13,IEICE-OPE-2017-07-13,IEICE-EST-2017-07-13,IEICE-MWP-2017-07-13 


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