Abstract
Ground Penetrating Radar (GPR) operating on the basis of Stepped Frequency Continuous Wave (SFCW) is analyzed for various applications with extraction of additional information about physical properties of soil and buried objects. The phase structure is obtained from the signal phase-frequency spectrum by applying the Discrete Fourier Transform (DFT) to signals on the output of SFCW georadar quadrature phase detector. It has been shown that the phase gradient of a phase-frequency spectrum of signals reflected from underground layers and buried objects are determined by their electrical properties. Also it is represented some application of such GPR to detect and recognize some explosive hazards with applying algorithm of synthetic antenna aperture technique.
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