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| Presentation | 2022-01-20 09:50 Consideration of primary radiator for efficiency of reflectarray antenna Haruna Nagahara, Hiroyuki Arai (Yokohama National Univ.)  AP2021-136 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In order to improve the efficiency of the reflector array, the types of primary radiators and their arrangement were investigated using the electromagnetic field analysis software CST. A horn antenna was adopted for its high directivity. It has 10 dBi higher gain and higher directivity than dipole and patch antennas. In addition to the primary radiator investigation, the spacing of the elements on the reflector, the reflection phase, and the FD ratio, which is a parameter of the position of the primary radiator and the reflector, were investigated to improve the efficiency. In the end, a gain of 24.3 dBi and an efficiency of 65.2% were obtained for the entire antenna. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Reflector array antenna / aperture efficiency / primary radiator / FD ratio / edge level / element spacing / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 330, AP2021-136, pp. 11-14, Jan. 2022. | |
| Paper # | AP2021-136 | |
| Date of Issue | 2022-01-13 (AP) | |
| ISSN | 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 | AP2021-136 |
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| Conference Information | |
| Committee | AP WPT |
| Conference Date | 2022-01-20 - 2022-01-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kenmin-Fureai-Kaikan |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Radio propagation, Wireless transmission technology, Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2022-01-AP-WPT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Consideration of primary radiator for efficiency of reflectarray antenna |
| Sub Title (in English) | |
| Keyword(1) | Reflector array antenna |
| Keyword(2) | aperture efficiency |
| Keyword(3) | primary radiator |
| Keyword(4) | FD ratio |
| Keyword(5) | edge level |
| Keyword(6) | element spacing |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Haruna Nagahara |
| 1st Author's Affiliation | Yokohama National University (Yokohama National Univ.) |
| 2nd Author's Name | Hiroyuki Arai |
| 2nd Author's Affiliation | Yokohama National University (Yokohama National Univ.) |
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| Speaker | Author-1 |
| Date Time | 2022-01-20 09:50:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2021-136 |
| Volume (vol) | vol.121 |
| Number (no) | no.330 |
| Page | pp.11-14 |
| #Pages | 4 |
| Date of Issue | 2022-01-13 (AP) |
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