Generalization of PILE method to the EM scattering from stratified subsurface with rough interlayers: Application to the detection of debondings within pavement structure - Archive ouverte HAL Access content directly
Journal Articles IEEE Transactions on Geoscience and Remote Sensing Year : 2015

Generalization of PILE method to the EM scattering from stratified subsurface with rough interlayers: Application to the detection of debondings within pavement structure

Abstract

This paper presents the numerical method GPILE to calculate the scattered EM field by any stratified 1D medium composed of three random rough interfaces separating homogeneous media. GPILE is an extension of the PILE (Propagation Inside-Layer-Expansion) method, which considers only twointerfaces. Both methods rely on the rigorous implementation of the Maxwell equations, with a simple matrix formulation and has a straightforward physical interpretation. In particular, this method allows us to distinguish the primary echo of the upper surface, and also, the multiple echoes arising from the intermediate and lower interfaces. This method is applied in this paper to simulate the ground penetrating radar (GPR) signal atnadir. The simulated signals are analyzed to study the sensitivity of the GPR signal to any material debonding within the pavementlayered structure.
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Dates and versions

hal-01097409 , version 1 (19-12-2014)

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Christophe Bourlier, Cédric Le Bastard, Vincent Baltazart. Generalization of PILE method to the EM scattering from stratified subsurface with rough interlayers: Application to the detection of debondings within pavement structure. IEEE Transactions on Geoscience and Remote Sensing, 2015, 53 (7), 4104 - 4115 (paper TGRS-2014-00804.R1). ⟨10.1109/TGRS.2015.2390677⟩. ⟨hal-01097409⟩
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