Abstract
Ground penetrating radar (GPR) is a promising non-destructive sensors for subsurface investigation. Calibration of GPR system plays an important role to compensate antenna effect and frequency dependent delay. In this work, two different approaches for SFCW GPR calibration have been studied. A simplified analytical full wave model (FWM) is used as a forward model and copper plate is used as a target. Both the approaches have been validated with laboratory experiments. The comparison of the two approaches has been presented. These calibration approaches are useful for investigating the subsurface media properties, imaging and detection of buried target.
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