Journal
MEASUREMENT
Volume 61, Issue -, Pages 129-141Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.measurement.2014.10.035
Keywords
Dielectric measurement; Ultra-wide band antenna; Ground-penetrating radar; Imaging; Soil probing; Non destructive evaluation; Target detection
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A ground-penetrating radar (GPR) has been developed for civil engineering applications. Ultra-wide band (UWB) bowtie slot antennas operating at frequencies from 460 MHz to beyond 4 GHz have been designed to be integrated in a ground-penetrating radar (GPR) positioned very close to the soil surface. FDTD modeling has allowed to define the optimal geometrical parameters associated with the ground-coupled radar system that has been studied in two polarization configurations TE and TM. The ability of the GPR system in detecting small discontinuities using polarization diversity has been analyzed considering several buried canonical objects with different dielectric characteristics. Measurements in a sand box have been compared to full-wave simulations. (C) 2014 Elsevier Ltd. All rights reserved.
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