Ground penetrating radar investigations of buildings and other man-made structures often require data collection along curvilinear interfaces having various radii of curvature and geometry. Data collected along non-planar interfaces and containing multiple targets are often difficult to interpret without the application of migration. Migration is not commonly applied to surveys along non-planar interfaces because most published algorithms and available software assume data collection along planar interfaces. We provide a versatile imaging strategy that migrates data by using a kernel derived from the forward model. Modeled and measured data from columns are used to illustrate the utility of our imaging approach.
KEYWORDS: General packet radio service, Imaging systems, Antennas, Radar imaging, Real time imaging, Data processing, Radar, 3D displays, Position sensors, 3D acquisition
This paper presents real time optical positioning technology developed by ENSCO, Inc. and a system-level concept for its application to wall penetration and wall interior imaging. The concept merges this positioning technology, commercial Ground Penetrating Radar (GPR) systems, and software imaging techniques. We demonstrate existing real-time optical positioning hardware and present the concept for the next generation. This hardware integrates with a commercial GPR system, triggering it in real time. Software techniques, such as 3D migration, process the data and make them suitable for display and interpretation by inexperienced operators in near real time.
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