Abstract
Coincident antenna three‐dimensional ground penetrating radar (GPR) consists of making measurements over an area on the surface using transmitting and receiving antennas that are located very close together. Measurements may be made using antennas that are towed behind a vehicle, or in a fixed‐station (fixed‐trace) mode of operation. In either case, the accurate location of each trace is critical to producing accurate 3D displays. Obtaining a good three‐dimensional display is a critical part of interpreting GPR data. Targets of interest are generally easier to identify and isolate on three‐dimensional data sets than on conventional two‐dimensional profile lines. Simplifying the image by eliminating the noise and clutter is the most important factor for optimizing the interpretation. Image simplification may be achieved by: 1) carefully assigning the amplitude‐color ranges, 2) displaying only one polarity of the GPR signal, 3) using a limited number of colors, 4) decreasing the size of the data set that is...
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