Abstract
An experimental ultrawideband (UWB) radar, designed and implemented by the Radar Division of the Naval Research Laboratory (NRL), is being used to develop techniques for the detection, imaging, and ultimately the identification of buried objects. This dual-frequency, dual-polarization, UWB radar has collected ultra-high resolution measurements (2-cm range resolution) of land mines and other objects in a laboratory setting. Initial free-space measurements are currently being used to develop and test imaging algorithms, as well as to explore the feasibility and limitations of various synthetic-aperture-radar (SAR) configurations. In this paper we describe the buried-object test bed and demonstrate the ability of the UWB radar to image several different types of objects. At the conclusion of the free-space measurements and analysis, the objects of interest will be buried and measured in various media.
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