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Paper Abstract and Keywords
Presentation 2019-07-18 09:00
High-resolution horizontal permittivity distribution estimation of pavement using array ground penetrating radar
Kazutaka Kikuta, Motoyuki Sato (Tohoku Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) In order to detect pavement damage on airport taxiway, we applied a novel method to common midpoint (CMP) dataset obtained by multistatic ground penetrating radar (GPR) system YAKUMO. Thin cracks within asphalt layers cause slight changes in electromagnetic wave propagation velocity. The proposed method enables higher-resolution visualization of velocity changes from two time dataset with a small number of CMP traces. Measurements were made over a year using an airport taxiway model with artificial damages, and the changes of the state of inside the pavement due to pressurization and time lapse were investigated. The datasets are analyzed with the proposed method to find out how the conditions of pavement changes by pressurization and time course. The results confirmed that the proposed method could capture not only the propagation velocity change of the overall pavement but also the local area change.
Keyword (in Japanese) (See Japanese page) 
(in English) Ground penetrating radar (GPR) / common midpoint (CMP) / velocity estimation / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 121, SANE2019-24, pp. 31-36, July 2019.
Paper # SANE2019-24 
Date of Issue 2019-07-10 (SANE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee AP SANE SAT  
Conference Date 2019-07-17 - 2019-07-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Subsurface Electromagnetic Measurements, Sattelite Communication, Radio propagation, Antennas and Propagation 
Paper Information
Registration To SANE 
Conference Code 2019-07-AP-SANE-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) High-resolution horizontal permittivity distribution estimation of pavement using array ground penetrating radar 
Sub Title (in English)  
Keyword(1) Ground penetrating radar (GPR)  
Keyword(2) common midpoint (CMP)  
Keyword(3) velocity estimation  
1st Author's Name Kazutaka Kikuta  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Motoyuki Sato  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
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Date Time 2019-07-18 09:00:00 
Presentation Time 25 
Registration for SANE 
Paper # IEICE-SANE2019-24 
Volume (vol) IEICE-119 
Number (no) no.121 
Page pp.31-36 
#Pages IEICE-6 
Date of Issue IEICE-SANE-2019-07-10 

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