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Paper Abstract and Keywords
Presentation 2017-05-26 09:55
A Study on Compressed Sensing and Transmission Based on Earthquake Acceleration Spectrum
Takahiro Fujiwara, Tomoya Tokairin, Hiroyuki Kawai (National Inst. of Tech., Hakodate College) ASN2017-6
Abstract (in Japanese) (See Japanese page) 
(in English) Wireless Sensor Networks (WSN) is a promising technology to gather seismic acceleration data on a structure. Structural Health Monitoring (SHM), which aims to assess damages of structures, would expect to employ WSN for acceleration data gathering. In the case that a SHM system includes massive nodes of WSN, the system might lapse into network congestion. The system should be required to transmit data efficiently due to restricted communications capacity. A compressed sensing and transmission scheme has been drawing attention to achieve effective data collection in WSN. We are especially focusing on data compression based on features of seismic acceleration spectrum occupied in the frequency band of 100 Hz or less. In this paper, we review features of spectrum on seismic acceleration, and show a scheme of the compressed sensing. In computer analysis, we examine a compressed transmission method by band pass filtering in Fourier transform using actual seismic acceleration data. We evaluate an average absolute error of the compressed transmission data with respect to the original seismic acceleration. The results show the average error was 0.02 or less in conditions where the acceleration was measured on the upper floor even though the compressed ratio was 1/32.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless sensor networks / compressed sensing and transmission / eismic acceleration / / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 57, ASN2017-6, pp. 27-30, May 2017.
Paper # ASN2017-6 
Date of Issue 2017-05-18 (ASN) 
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)
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Conference Information
Committee ASN  
Conference Date 2017-05-25 - 2017-05-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Univ. (Institute of Industrial Science) 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ASN 
Conference Code 2017-05-ASN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Compressed Sensing and Transmission Based on Earthquake Acceleration Spectrum 
Sub Title (in English)  
Keyword(1) Wireless sensor networks  
Keyword(2) compressed sensing and transmission  
Keyword(3) eismic acceleration  
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1st Author's Name Takahiro Fujiwara  
1st Author's Affiliation National Institute of Technology, Hakodate College (National Inst. of Tech., Hakodate College)
2nd Author's Name Tomoya Tokairin  
2nd Author's Affiliation National Institute of Technology, Hakodate College (National Inst. of Tech., Hakodate College)
3rd Author's Name Hiroyuki Kawai  
3rd Author's Affiliation National Institute of Technology, Hakodate College (National Inst. of Tech., Hakodate College)
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Speaker Author-1 
Date Time 2017-05-26 09:55:00 
Presentation Time 25 minutes 
Registration for ASN 
Paper # ASN2017-6 
Volume (vol) vol.117 
Number (no) no.57 
Page pp.27-30 
#Pages 4 
Date of Issue 2017-05-18 (ASN) 

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