Transmitter-receiver-transmitter configurations of ground-penetrating radar
Wiley-Blackwell Publishing, Inc.
51 - 57
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Three-dimensional ground-penetrating radar (GPR) geometries are simulated using the finite difference time domain (FDTD) method. The GPR is modeled with a receiver and two transmitters with arbitrary polarizations in order to cancel the direct signals emitted by the two transmitters at the receiver. This GPR configuration is used to simulate scenarios involving single or multiple targets with arbitrary sizes. The buried objects are modeled as cylindrical disks. Perfectly matched layer absorbing boundary conditions are used to terminate the layered FDTD computational domain.
KeywordsFinite difference time domain (FDTD) method
Ground-penetrating radar (GPR)
Perfectly matched layer
Electromagnetic wave emission
Electromagnetic wave polarization
Time domain analysis
Ground penetrating radar systems