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Tracking a Moving Object for Tomographic Below Ground Imaging

In this paper, we present a Ground Penetrating Radar (GPR) technique currently under development to image a moving object. This GPR system localizes and tracks a moving spherical object that could be in a plastic pipe under the ground for a given bistatic and multi-static radar geometry. Two different approaches (two dyadic Green’s functions) are applied to image a moving object using Maxwell’s equations, and analyzing the comparison between two dyadic functions is considered. The object is assumed to be inside a region of interest (ROI). Due to the excellent geometric results in [6], the applied GPR system can localize and track a moving object underground by scanning the region of interest in t intervals. During each scan, the GPR system detects and calculates the exact location of the object using a Threshold Technique Method (TTM) based target detection system by analyzing the electromagnetic fields. The 3D FEKO Electromagnetic (EM) simulation software tool is used to model and simulate the GPR system. Simulation results achieve an excellent and accurate performance in the absence of external and unknown disturbances.