volume | PIER Journals

Abstract

In this paper, the performance of the separated-aperture sensor working as ground-penetrating radar (GPR) is assessed over the operating frequency band. The capability of the separatedaperture sensor to detect buriedtargets is examinedb y evaluating andcomparing the electromagnetic coupling between the transmitting andreceiving antennas in two cases: (i) when the system is placed over an empty groundand(ii) when it is placedo ver a groundinsid e which a practical target is buriedat the proper depth. The finitedifference time-domain (FDTD) method is used for electromagnetic simulation. The results concerning the coupling between the transmitting andreceiving antennas are presentedconsid ering various practical parameters such as the operating frequency, the electric properties of the groundsoil andthe buriedtarget, andthe depth at which the target is buriedund er the groundsurface. It is shown that target detectability using the separated-aperture sensor is strongly dependent on all of the above parameters.

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Dr. K. Moustafa

Professor Khalid Fawzy Ahmed Hussein