The bachelor’s thesis deals with the performance of a commercial point LIDAR with time-dependent output. When scanning water bodies with LIDAR technology, it often happens that laser beams penetrate the water surface and do not give an accurate measurement. We designed and built a measurement station with an experimental cylinder filled with water to which we created an aerated water surface by blowing air under different conditions. The station was equipped with a LIDAR and a photo imaging system. We analyzed the correlation function used by LIDAR to convert the data into the distance. By comparing the images and the LIDAR measurements, we showed that a higher concentration of water bubbles creates a sufficiently hardened water surface to prevent the laser beam from penetrating the water volume.
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