In this paper we present a new strategy to perform an indirect measure of the dielectric permittivity of the soil starting from GPR data. In particular, the GPR data are provided as the field scattered by a pipe buried in the soil; the scattered field is collected at the air-soil interface and under a multi-monostatic configuration (B-scan) . The strategy is based on the exploitation of a microwave tomographic approach that permits to achieve more robust results with respect to the simple calculation of the round trip time of the signal. Preliminary results are presented with synthetic data, achieved by means of an FDTD code, and they deal with both the simple case of a pipe buried in a homogeneous soil and the more complicated case of pipes in a layered scenario.

Application of Microwave Tomography in Hydrogeophysics: some examples

Persico R
2008

Abstract

In this paper we present a new strategy to perform an indirect measure of the dielectric permittivity of the soil starting from GPR data. In particular, the GPR data are provided as the field scattered by a pipe buried in the soil; the scattered field is collected at the air-soil interface and under a multi-monostatic configuration (B-scan) . The strategy is based on the exploitation of a microwave tomographic approach that permits to achieve more robust results with respect to the simple calculation of the round trip time of the signal. Preliminary results are presented with synthetic data, achieved by means of an FDTD code, and they deal with both the simple case of a pipe buried in a homogeneous soil and the more complicated case of pipes in a layered scenario.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/20.500.11770/312880
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