Abstract

We have developed a new strategy for indirect measurement of the dielectric permittivity of the soil using ground penetrating radar (GPR) data. In particular, the GPR data are provided as field scattered by a pipe buried in the soil; the scattered field data is collected at the air–soil interface and under a multimonostatic configuration (B-scan). The strategy is based on the use of a microwave tomographic approach that achieves 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 a finite-difference time-domain code, for both the simple case of a pipe buried in a homogeneous soil and the more complicated case of multiple pipes in a layered medium.

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