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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | van der Kruk, J. Vereecken, H. Diamanti, N. Giannopoulos, A. |
| Copyright Year | 2010 |
| Description | Author affiliation: Inst. for Infrastruct. & Environ., Univ. of Edinburgh, Edinburgh, UK (Giannopoulos, A.) || Inst. of Chem. & Dynamics of the Geosphere, Res. Center Julich, Jülich, Germany (van der Kruk, J.; Vereecken, H.) || Dept. of Geophys., Aristotle Univ. of Thessaloniki, Thessaloniki, Greece (Diamanti, N.) |
| Abstract | To investigate the influence of interface roughness and heterogeneous media on the inversion of dispersive GPR data, we performed 3D FDTD modeling with GPRMAX. For both the broadside and endfire source-receiver configurations the responses were calculated for models with different interface roughness and for models that include media with heterogeneities in their dielectric properties. Due to the use of multiple source-receiver offsets to calculate the phase-velocity spectrum, the signal to noise ratio was relatively good and for low interface roughness the medium properties could be reasonably well reconstructed. Only for the largest interface roughness the data contained significant diffractions and the medium properties could not be reliably reconstructed. For variations of the relative permittivity values equal to 10% and 20%, the model parameters could still be relatively well reconstructed. |
| Starting Page | 1 |
| Ending Page | 5 |
| File Size | 725368 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781424446049 |
| DOI | 10.1109/ICGPR.2010.5550234 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-06-21 |
| Publisher Place | Italy |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | dispersion inversion Ground penetrating radar Electromagnetic waveguides Time domain analysis GPR Nonhomogeneous media Dispersion Tellurium heterogeneous media Surface waves FDTD modeling Soil interface roughness Permittivity Finite difference methods waveguide |
| Content Type | Text |
| Resource Type | Article |
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