Ultra-wideband (UWB) side-looking ground penetrating radar (GPR) systems are a promising tool for the detection of shallow buried objects, such as land-mines. The ultra-wideband nature of the radar system leads to high spatial resolution in the range direction; while the coherent nature of radar enables application of synthetic aperture radar (SAR) processing to obtain high resolution in the cross-range direction. The result is high resolution 2-dimensional images. Such images, however, do not indicate the elevation (third orthogonal direction) of objects. In this paper the authors examine the use of a dual antenna UWB-GPR system, together with application of an interferometric SAR processing technique to the pair of acquired radar images, to obtain such elevation estimates. Results of an experimental study are included.
Radar imaging of shallow buried objects
1999
3 Seiten, 5 Quellen
Aufsatz (Konferenz)
Englisch
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