Title
2−1/2 Dimensional bi-static GPR propagation and scattering modeling of roadways and tunnels with projected 2D FDTD
Abstract
Subsurface sensing modalities such as Ground Penetrating Radar (GPR) are increasingly being used to assess the condition of aging civil infrastructure by evaluating deterioration within roadways and bridges, and to monitor the security of national borders by the detection of underground tunnels. The need to address these issues is intensifying and, while valuable data are collected using nondestructive evaluation there is urgency for improved understanding and analysis. Simulation of GPR investigations to search for defects in bridges and the presence of underground tunnels can help to understand and analyze real world data. Three-dimensional simulations consider the full geometry of an area. When the geometry is relatively invariant in the third dimension, 2-1/2D simulations can capture most of the 3D scattering and account for bi-static transmitters and receivers located out of the cross-sectional plane. Additionally, comparison of 3D simulation results to a library of 2D results may help to indicate the angle of GPR travel from the cross-sectional plane.
Year
DOI
Venue
2009
10.1109/IGARSS.2009.5416910
Geoscience and Remote Sensing Symposium,2009 IEEE International,IGARSS 2009
Keywords
Field
DocType
bridges (structures),electromagnetic wave propagation,electromagnetic wave scattering,finite difference time-domain analysis,ground penetrating radar,nondestructive testing,remote sensing by radar,roads,tunnels,2.5d bistatic gpr propagation,gpr scattering modeling,aging civil infrastructure,bridges deterioration,projected 2d fdtd,roadways deterioration,subsurface sensing,tunnel deterioration,underground tunnels,fdtd methods,road transportation,simulation,three dimensional,finite difference methods,cross section,2 dimensional,aging,data security,solid modeling,correlation,nondestructive evaluation,geometry
Ground-penetrating radar,Wave propagation,Computer science,Remote sensing,Nondestructive testing,Finite-difference time-domain method,Scattering,Solid modeling,Finite difference method,Invariant (mathematics)
Conference
Volume
ISSN
ISBN
1
2153-6996
978-1-4244-3395-7
Citations 
PageRank 
References 
0
0.34
0
Authors
4
Name
Order
Citations
PageRank
Kimberly Belli100.34
Christopher Udall200.34
Carey M. Rappaport300.34
Sara Wadia-Fascetti400.34