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Paper Abstract and Keywords
Presentation 2017-05-30 11:15
Pavement Surface Deformation Monitoring by Radar Interferometry Technique
Lilong Zou, Motoyuki Sato (Tohoku Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Road pavement can be damaged by repeated traffic and environmental loading. In this report, we present an advanced technique which uses radar interferometry which computes the differential phase changes radar echoes to monitoring the deformation of the pavement surface. We describe a method using real aperture radar (RAR) to monitor the pavement of normal road. From the radar profile, we could easily distinguish the moving car. In addition, using the Radon transform and interferometry technique, the deformation of the road surface after heavy truck could be observed. Then, we will discuss using ground based synthetic aperture radar (GB-SAR) for an airport taxiway monitoring. The GB-SAR interferometry technique could monitor very precise and small displacement of the targets with 0.18mm accuracy. The proposed approach has been applied to monitoring a taxiway in Haneda Airport. Based on this technique, we could clearly observe the movement of the building that generated by the heat-expansion and cold-contraction. The results provided by this technique also clearly showed that the taxiway will be deformed after an airplanes are passed. Moreover, we could observed the long time vibration of the taxiway surface. Compared with the deformation from the defects or anomalies area and sounding area, we could conclude that the deformation from the anomalous area is much unstable and random.
Keyword (in Japanese) (See Japanese page) 
(in English) nondestructive inspection / real aperture radar / GB-SAR / interferometry / pavement deformation / Radon transform / SIP /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 67, ICTSSL2017-10, pp. 45-50, May 2017.
Paper # ICTSSL2017-10 
Date of Issue 2017-05-22 (ICTSSL) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee ICTSSL  
Conference Date 2017-05-29 - 2017-05-30 
Place (in Japanese) (See Japanese page) 
Place (in English) NEXCO EAST TOHOKU 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ICTSSL 
Conference Code 2017-05-ICTSSL 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Pavement Surface Deformation Monitoring by Radar Interferometry Technique 
Sub Title (in English)  
Keyword(1) nondestructive inspection  
Keyword(2) real aperture radar  
Keyword(3) GB-SAR  
Keyword(4) interferometry  
Keyword(5) pavement deformation  
Keyword(6) Radon transform  
Keyword(7) SIP  
Keyword(8)  
1st Author's Name Lilong Zou  
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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Speaker
Date Time 2017-05-30 11:15:00 
Presentation Time 25 
Registration for ICTSSL 
Paper # IEICE-ICTSSL2017-10 
Volume (vol) IEICE-117 
Number (no) no.67 
Page pp.45-50 
#Pages IEICE-6 
Date of Issue IEICE-ICTSSL-2017-05-22 


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