Abstract
Humanitarian demining is still mainly carried out by hand. The most trusted and widely used technical tool is probably the metal detector. However, these sensors are hand-held devices which are operated closely to the surface. To make the process of mine clearance safer, a ground penetrating synthetic aperture radar (GPSAR) was developed that can be operated on an autonomous flying unmanned aerial system (UAS). A key challenge of this system approach is the accurate position acquisition of the UAS. This paper compares a real time kinematic global navigation satellite system (RTK GNSS) and a total station with respect to UAS-based synthetic aperture radar (SAR) image processing. First, the systems and the associated signal processing chain will be briefly presented, then the trajectories and the processed SAR image will be compared.
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