Ground penetrating radar has been successfully used for imaging of stratigraphic structures. The goal of the presented ground penetrating radar program is to provide a capability for strategic subsurface detection of military applications. This paper describes the experimental approach for high frequency (HF) radar sub-surface profiling, and the results obtained from signal and data processing for deep tunnel detection. Ongoing experiments employ a bistatic radar system designed to detect buried objects located in the near field of the HF sensor. Data analysis requires the use of synthetic aperture radar (SAR) processing to focus to an image. The experiments and initial results are based upon the use of surface contact antennas as part of a larger effort with an ultimate goal of collecting data via airborne sensors. The immediate goal of this in-house effort is to determine the resolution achievable at depths commensurate with buried structures of strategic importance. This paper also examines the trade-off between frequency and propagation in an attempt to effect the best resolution possible.
Deep penetration using surface contact HF radar
IRS, International Radar Symposium, 1998 ; 2 ; 649-657
1998
9 Seiten, 8 Bilder, 4 Quellen
Conference paper
English
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