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| Presentation | 2018-01-25 15:35 Under Seawater Prospecting using Ground Penetrating Radar and Analysis of Electromagnetic Wave Propagation in Seawater using FDTD Method with GPU Jun Sonoda (NIT, Sendai)  SANE2017-93 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The electromagnetic wave (EM) do not propagate in the seawater because of high conductivity. In recent, the ultrasonic wave is widely used in the sea, such as the fish-finder, the side-scan sonar, and so on. We have used the ground penetrating radar (GPR) by several hundred MHz to search missing persons and rubbers in the sea after the tsunami caused by the Great East Japan earthquake. In this study, we have studied the under seawater prospecting using 350/400 MHz GPR in Hiroura Bay, Natori city, in Isohama fisher port, and off the coast of Sakamoto, Yamamoto town, Miyagi prefecture. At first, frequency characteristics of complex permittivity of several seawater samples by the time domain reflectometry (TDR), and conductivity in the depth of seawater by the conductivity temperature depth profiler (CTD) have been shown. Also, it is shown that the reflected wave from several objects at the about 10 meters depth has been observed using the 350 MHz GPR. Finally, the EM wave propagation in the seawater has been analyzed using the FDTD method with the graphics processing unit (GPU). | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Ground penetrating radar / EM wave propagation in seawater / FDTD / TDR / CTD / GPU / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 403, SANE2017-93, pp. 41-46, Jan. 2018. | |
| Paper # | SANE2017-93 | |
| Date of Issue | 2018-01-18 (SANE) | |
| 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 | SANE2017-93 |
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| Conference Information | |
| Committee | SANE |
| Conference Date | 2018-01-25 - 2018-01-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nagasaki Prefectural Art Museum |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Positioning, navigation, Radar and general |
| Paper Information | |
| Registration To | SANE |
| Conference Code | 2018-01-SANE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Under Seawater Prospecting using Ground Penetrating Radar and Analysis of Electromagnetic Wave Propagation in Seawater using FDTD Method with GPU |
| Sub Title (in English) | |
| Keyword(1) | Ground penetrating radar |
| Keyword(2) | EM wave propagation in seawater |
| Keyword(3) | FDTD |
| Keyword(4) | TDR |
| Keyword(5) | CTD |
| Keyword(6) | GPU |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Jun Sonoda |
| 1st Author's Affiliation | National Institute of Technology, Sendai College (NIT, Sendai) |
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| Speaker | Author-1 |
| Date Time | 2018-01-25 15:35:00 |
| Presentation Time | 25 minutes |
| Registration for | SANE |
| Paper # | SANE2017-93 |
| Volume (vol) | vol.117 |
| Number (no) | no.403 |
| Page | pp.41-46 |
| #Pages | 6 |
| Date of Issue | 2018-01-18 (SANE) |
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