Numerical simulation and dispersion inversion of ground penetrating radar waveguide

Ground penetrating radar (GPR) is widely used in near-surface detection due to its non-destructive and high-efficiency advantages. Radar waves are continuously reflected in the waveguide structure, and dispersion will be formed. In order to find out the propagation regularity and characteristics of...

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Bibliographic Details
Published in:Journal of physics. Conference series 2024-11, Vol.2887 (1), p.12060
Main Authors: Zhang, Kaiwen, Li, Jing, Sun, Ruizhe, Liu, Tieyu, Bai, Lige
Format: Article
Language:English
Subjects:
Dispersion curve analysis
Ground penetrating radar
Permittivity
Radar data
Radar detection
Wave dispersion
Waveguides
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Summary:Ground penetrating radar (GPR) is widely used in near-surface detection due to its non-destructive and high-efficiency advantages. Radar waves are continuously reflected in the waveguide structure, and dispersion will be formed. In order to find out the propagation regularity and characteristics of radar waves in waveguides, we use the simulation and field GPR waveguide data to test the radar wave dispersion characteristic. Then, the Dix-type inversion method is used to estimate the permittivity from the radar wave dispersion curve. The synthetic and field data tests show that the GPR waveguide dispersion inversion can accurately estimate the permittivity result.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/2887/1/012060