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| Presentation | 2017-06-23 10:20 Measurement on Complex Permittivity of Hydrated Soil, Live and Dead Leaves, Woods, and Stones for Landslides Prognostication Kousei Kumahara, Kengo Nakajima, Futoshi Kuroki (NIT,Kure College), Masanori Eguchi, Takeshi Yamakawa (FLSI)  MW2017-26 Link to ES Tech. Rep. Archives: MW2017-26 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Complex permittivity of hydrated soil contained in lands was measured as a function of the water volume content for land-slides prognostication from low frequency (LF) to medium frequency (MF) bands. The main emphasis is placed on a simple test equipment, which consists of top and bottom electrodes in a plastic cylinder for filling some solutions. From the results, it was obvious that the loss tangent was larger than those of the soil and water themselves due to the ionization. In addition, the complex permittivities of live and dead leaves, woods, and stones existing the surface of the lands were also measured by using the test equipment to estimate the effective permittivity of the forest. The evaluation of the complex permittivities was successfully performed by using the test equipment from very low frequency to medium frequency bands. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Medium frequency / Low frequency / Measurement of complex permittivity / Landslides prognostication / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 104, MW2017-26, pp. 25-30, June 2017. | |
| Paper # | MW2017-26 | |
| Date of Issue | 2017-06-15 (MW) | |
| 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 | MW2017-26 Link to ES Tech. Rep. Archives: MW2017-26 |
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| Conference Information | |
| Committee | MW |
| Conference Date | 2017-06-22 - 2017-06-23 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | A-101, Wing-A, Toyohashi University of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Microwave Signal Generation and Measurement / Microwave Technologies |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2017-06-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Measurement on Complex Permittivity of Hydrated Soil, Live and Dead Leaves, Woods, and Stones for Landslides Prognostication |
| Sub Title (in English) | |
| Keyword(1) | Medium frequency |
| Keyword(2) | Low frequency |
| Keyword(3) | Measurement of complex permittivity |
| Keyword(4) | Landslides prognostication |
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| Keyword(8) | |
| 1st Author's Name | Kousei Kumahara |
| 1st Author's Affiliation | National Institute of Technology (NIT,Kure College) |
| 2nd Author's Name | Kengo Nakajima |
| 2nd Author's Affiliation | National Institute of Technology (NIT,Kure College) |
| 3rd Author's Name | Futoshi Kuroki |
| 3rd Author's Affiliation | National Institute of Technology (NIT,Kure College) |
| 4th Author's Name | Masanori Eguchi |
| 4th Author's Affiliation | Fuzzy Logic Systems Institute (FLSI) |
| 5th Author's Name | Takeshi Yamakawa |
| 5th Author's Affiliation | Fuzzy Logic Systems Institute (FLSI) |
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| Speaker | Author-1 |
| Date Time | 2017-06-23 10:20:00 |
| Presentation Time | 25 minutes |
| Registration for | MW |
| Paper # | MW2017-26 |
| Volume (vol) | vol.117 |
| Number (no) | no.104 |
| Page | pp.25-30 |
| #Pages | 6 |
| Date of Issue | 2017-06-15 (MW) |
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