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Paper Abstract and Keywords
Presentation 2023-01-27 12:00
Estimation of permittivity distribution inside concrete using FDTD method and ensemble Kalman filter
Yoshihito Yamamoto, Kota Kubo, Shunpei Fujimori (Hosei Univ.), Jun Sonoda (NIT, Sendai College) EST2022-96
Abstract (in Japanese) (See Japanese page) 
(in English) In order to estimate the heterogeneous permittivity distribution inside concrete, an ensemble Kalman filter is applied to the finite time domain differencing (FDTD) method. Then, the applicability of the proposed method is examined through numerical experiments using a simple concrete model. Specifically, a simulation of a radar test is performed on a concrete model consisting of mortar and aggregate phases, and data assimilation experiments are conducted using simulated observation data while varying the number of aggregates and observation points. The results show that even though there is only one observation point, the relative permittivity of multiple aggregates inside the concrete can be estimated well by considering the radar movement.
Keyword (in Japanese) (See Japanese page) 
(in English) Data Assimilation / Ensemble Kalman Filter / FDTD / GPR / concrete / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 365, EST2022-96, pp. 112-116, Jan. 2023.
Paper # EST2022-96 
Date of Issue 2023-01-19 (EST) 
ISSN Online edition: ISSN 2432-6380
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 EST2022-96

Conference Information
Committee EST  
Conference Date 2023-01-26 - 2023-01-27 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Simulation techniques, etc. 
Paper Information
Registration To EST 
Conference Code 2023-01-EST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Estimation of permittivity distribution inside concrete using FDTD method and ensemble Kalman filter 
Sub Title (in English)  
Keyword(1) Data Assimilation  
Keyword(2) Ensemble Kalman Filter  
Keyword(3) FDTD  
Keyword(4) GPR  
Keyword(5) concrete  
1st Author's Name Yoshihito Yamamoto  
1st Author's Affiliation Hosei University (Hosei Univ.)
2nd Author's Name Kota Kubo  
2nd Author's Affiliation Hosei University (Hosei Univ.)
3rd Author's Name Shunpei Fujimori  
3rd Author's Affiliation Hosei University (Hosei Univ.)
4th Author's Name Jun Sonoda  
4th Author's Affiliation National Institute of Technology, Sendai College (NIT, Sendai College)
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Speaker Author-1 
Date Time 2023-01-27 12:00:00 
Presentation Time 20 minutes 
Registration for EST 
Paper # EST2022-96 
Volume (vol) vol.122 
Number (no) no.365 
Page pp.112-116 
Date of Issue 2023-01-19 (EST) 

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