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Dealing with systematic laser scanner errors due to misalignment at area-based deformation analyses
The ability to acquire rapid, dense and high quality 3D data has made terrestrial laser scanners (TLS) a desirable instrument for tasks demanding a high geometrical accuracy, such as geodetic deformation analyses. However, ...
Improved area-based deformation analysis of a radio telescope’s main reflector based on terrestrial laser scanning
The main reflectors of radio telescopes deform due to gravitation when changing their elevation angle. This can be analyzed by scanning the paraboloid surface with a terrestrial laser scanner and by determining focal length ...