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| Presentation | 2015-09-18 10:20 Effects of Liquid Absorption of Covering Material for Loop Antennas Immersed in Liquid Nozomu Ishii (Niigata Univ./NICT), Satsuki Tsuruma (Niigata Univ.), Lira Hamada, Soichi Watanabe (NICT)  AP2015-87 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Antennas operated in the liquid are generally coated by dielectric material in order to reduce the attenuation due to direct contact between the metallic portion in the antenna and liquid. In this report, we examine the effect of covering on the performance of the antenna by assuming the covering material has a property of absorbing the liquid and has a relative permittivity and conductivity modeled by Lichtenecker's logarithmic mixture formula with volume fraction of the liquid. In designing circular loop antenna operated in the liquid in order to calibrate the probe for measuring specific absorption rate (SAR), we examine the relationship between dielectric property of covering material and loop's length which can realize constant near-field gain near the antenna in the liquid. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | loop antenna / near-field gain / liquid / insulation / Lichtenecker's logarithmic mixture formula / volume fraction of the liquid / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 226, AP2015-87, pp. 43-48, Sept. 2015. | |
| Paper # | AP2015-87 | |
| Date of Issue | 2015-09-10 (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 | AP2015-87 |
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| Conference Information | |
| Committee | MW AP |
| Conference Date | 2015-09-17 - 2015-09-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Oyama National College of Tech. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Microwave and Millimeter-wave |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2015-09-MW-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Effects of Liquid Absorption of Covering Material for Loop Antennas Immersed in Liquid |
| Sub Title (in English) | |
| Keyword(1) | loop antenna |
| Keyword(2) | near-field gain |
| Keyword(3) | liquid |
| Keyword(4) | insulation |
| Keyword(5) | Lichtenecker's logarithmic mixture formula |
| Keyword(6) | volume fraction of the liquid |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Nozomu Ishii |
| 1st Author's Affiliation | Niigata University/National Institute of Information and Communications Technology (Niigata Univ./NICT) |
| 2nd Author's Name | Satsuki Tsuruma |
| 2nd Author's Affiliation | Niigata University (Niigata Univ.) |
| 3rd Author's Name | Lira Hamada |
| 3rd Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 4th Author's Name | Soichi Watanabe |
| 4th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
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| Speaker | Author-1 |
| Date Time | 2015-09-18 10:20:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2015-87 |
| Volume (vol) | vol.115 |
| Number (no) | no.226 |
| Page | pp.43-48 |
| #Pages | 6 |
| Date of Issue | 2015-09-10 (AP) |
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