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| Presentation | 2016-03-29 09:00 [Poster Presentation] Method for Removing Noise due to Magnetic Flux Trap in HTS-SQUID Magnetometers Based on Mean-Shift Clustering Takuma Tsuji, Yuta Katori, Kan Okubo (TMU), Nobunao Takeuchi (THU), Kiyoshi Nishikawa (TMU)  EA2015-124 SIP2015-173 SP2015-152 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | By the piezo magnetic effect due to the fault movement associated with the occurrence of earthquake ,variation of geomagnetic field has been observed. This observation results supports a feasibility of a new system for a super-early warning of destructive earthquakes. To observe minute geomagnetic fluctuations of the piezo-magnetic effect, the geomagnetic observation using HTS-SQUID magnetometers have been introduced. The HTS-SQUID magnetometer, however, is used in the environment without the magnetic shielding for the geomagnetic observation. Therefore, the noise of the magnetic flux trap may be superimposed on these signals. Although the removal of noise such as a median filter is used, no sufficient effect can be obtained. In this paper, we propose a method to remove the noise of the magnetic flux traps that are included in the observed signal by using the Mean-Shift based filtering. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | HTS-SQUID magnetometer / Noise of magnetic flux trap / Piezo-magnetic effect / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 522, SIP2015-173, pp. 323-328, March 2016. | |
| Paper # | SIP2015-173 | |
| Date of Issue | 2016-03-21 (EA, SIP, SP) | |
| 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 | EA2015-124 SIP2015-173 SP2015-152 |
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| Conference Information | |
| Committee | EA SP SIP |
| Conference Date | 2016-03-28 - 2016-03-29 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Beppu International Convention Center B-ConPlaza |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Engineering/Electro Acoustics, Speech, Signal Processing, and Related Topics |
| Paper Information | |
| Registration To | SIP |
| Conference Code | 2016-03-EA-SP-SIP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Method for Removing Noise due to Magnetic Flux Trap in HTS-SQUID Magnetometers Based on Mean-Shift Clustering |
| Sub Title (in English) | |
| Keyword(1) | HTS-SQUID magnetometer |
| Keyword(2) | Noise of magnetic flux trap |
| Keyword(3) | Piezo-magnetic effect |
| Keyword(4) | |
| Keyword(5) | |
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| Keyword(8) | |
| 1st Author's Name | Takuma Tsuji |
| 1st Author's Affiliation | Tokyo Metropolitan University (TMU) |
| 2nd Author's Name | Yuta Katori |
| 2nd Author's Affiliation | Tokyo Metropolitan University (TMU) |
| 3rd Author's Name | Kan Okubo |
| 3rd Author's Affiliation | Tokyo Metropolitan University (TMU) |
| 4th Author's Name | Nobunao Takeuchi |
| 4th Author's Affiliation | Tohoku University (THU) |
| 5th Author's Name | Kiyoshi Nishikawa |
| 5th Author's Affiliation | Tokyo Metropolitan University (TMU) |
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| Speaker | Author-1 |
| Date Time | 2016-03-29 09:00:00 |
| Presentation Time | 90 minutes |
| Registration for | SIP |
| Paper # | EA2015-124, SIP2015-173, SP2015-152 |
| Volume (vol) | vol.115 |
| Number (no) | no.521(EA), no.522(SIP), no.523(SP) |
| Page | pp.323-328 |
| #Pages | 6 |
| Date of Issue | 2016-03-21 (EA, SIP, SP) |
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