14 September 1994 Advanced ground-penetrating radar
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An advanced Ground Penetrating Radar (GPR) system has the potential for efficiently and reliably providing high resolution images for inspecting concrete civil structures for defects and damage assessment. To achieve the required performance, improvements in radar hardware, and development and adaptation of advanced 2- and 3-dimensional synthetic aperture imaging techniques are needed. Recent and continuing advancement in computer and computer-related technology areas have made it possible to consider more complex and capable systems for a variety of imaging applications not previously conceived. We developed conceptual designs, analyzed system requirements, and performed experiments, modeling, and image reconstructions to study the feasibility of improving GPR technology for non- destructive evaluation of bridge decks and other high-value concrete structures. An overview and summary of practical system concepts and requirements, are presented.
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John P. Warhus, John P. Warhus, Jeffrey E. Mast, Jeffrey E. Mast, Erik M. Johansson, Erik M. Johansson, Scott D. Nelson, Scott D. Nelson, } "Advanced ground-penetrating radar", Proc. SPIE 2275, Advanced Microwave and Millimeter-Wave Detectors, (14 September 1994); doi: 10.1117/12.186714; https://doi.org/10.1117/12.186714

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