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| Presentation | 2011-10-14 16:00 Design method of arbitral excitation coefficients in an unequally spaced collinear array antenna Junichi Shinohara, Naobumi Michishita, Yoshihide Yamada (National Defense Academy), Mohammad Tariqul Islam, Norbahiah Misran (UKM)  AP2011-87 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Excitations for array elements of a linear array can be simplified by employing a collinear feed. Previously, excitation amplitudes were designed by varying patch widths of array elements. Some trials of designing excitation phase were made by changing the connecting wire length of patch elements. In this paper, authors are trying to establish a design method for achieving arbitral excitation coefficients on a collinear feed array. Main design parameters for excitation amplitude and phase are the patch width and the connecting wire length, respectively. In order to expand the design capability for excitation phase, an unequally spaced array configuration is employed. In order to show the adequateness of proposed design method, a collinear array antenna achieving a shaped beam is designed. Radiation characteristics, near field distributions and array excitation conditions are estimated with an electromagnetic simulator. Through good agreements of the achieved and the objective shaped beam patterns, adequateness of design method is ensured. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Collinear feed / Arbitral excitation coefficients / Radiation pattern synthesis of unequally spaced array / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 231, AP2011-87, pp. 61-66, Oct. 2011. | |
| Paper # | AP2011-87 | |
| Date of Issue | 2011-10-06 (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 | AP2011-87 |
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| Conference Information | |
| Committee | AP WPT |
| Conference Date | 2011-10-12 - 2011-10-14 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kanagawa Womens Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2011-10-AP-WPT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Design method of arbitral excitation coefficients in an unequally spaced collinear array antenna |
| Sub Title (in English) | |
| Keyword(1) | Collinear feed |
| Keyword(2) | Arbitral excitation coefficients |
| Keyword(3) | Radiation pattern synthesis of unequally spaced array |
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| 1st Author's Name | Junichi Shinohara |
| 1st Author's Affiliation | National Defense Academy (National Defense Academy) |
| 2nd Author's Name | Naobumi Michishita |
| 2nd Author's Affiliation | National Defense Academy (National Defense Academy) |
| 3rd Author's Name | Yoshihide Yamada |
| 3rd Author's Affiliation | National Defense Academy (National Defense Academy) |
| 4th Author's Name | Mohammad Tariqul Islam |
| 4th Author's Affiliation | University Kebangsaan Malaysia (UKM) |
| 5th Author's Name | Norbahiah Misran |
| 5th Author's Affiliation | University Kebangsaan Malaysia (UKM) |
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| Speaker | Author-1 |
| Date Time | 2011-10-14 16:00:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2011-87 |
| Volume (vol) | vol.111 |
| Number (no) | no.231 |
| Page | pp.61-66 |
| #Pages | 6 |
| Date of Issue | 2011-10-06 (AP) |
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