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Effects of antenna-target polarization and target-medium dielectric contrast on GPR signal from non-metal pipes using FDTD simulation

Shaari, Amiruddin and R. S., Ahmad and T. H., Chew (2010) Effects of antenna-target polarization and target-medium dielectric contrast on GPR signal from non-metal pipes using FDTD simulation. NDT and E International, 43 (5). 403 - 408. ISSN 0963-8695

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Official URL: http://dx.doi.org/10.1016/j.ndteint.2010.03.006

Abstract

Ground penetrating radar (GPR) is widely used especially in subsurface pipes investigation and detection. The general practice is that the parallel antenna-targetpolarization is used for metalpipeGPR imaging and normal antenna-targetpolarization for non-metalpipe imaging. However, such practice does not always produce optimized results. The main reason is that the dielectriccontrast in a non-metalpipesGPR imaging play an important roles in generating a good GPRsignal. The research intends to highlight these issues by incorporating a finite-difference time domain (FDTD) simulation for several cases. The important observation is that antenna-targetpolarization as well as the dielectriccontrast are two important criteria in determining a good GPRsignal for non-metalpipes imaging.

Item Type:Article
Uncontrolled Keywords:Ground penetrating radar (GPR), non-metalpipes, dielectriccontrast, modeling, FDTDsimulation
Subjects:Q Science
Divisions:Science
ID Code:26195
Deposited By: Liza Porijo
Deposited On:28 Jun 2012 01:43
Last Modified:12 Jul 2012 06:22

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