Abstract
The roll variation of airborne platform has significant impact on the coverage area and point density of the laser point cloud obtained by airborne LiDAR. Thus, it is of practical significance to compensate the impact of roll variation. In this paper, a compensation device was designed firstly, including the mechanical structure and control system, to compensate the impact of roll variation on the laser point cloud. Then, the compensation principle of the airborne LiDAR with the designed compensation device was analyzed. Finally, the actual working procedure of the airborne LiDAR with the designed compensation device was simulated, in which the measurement errors of the position and orientation system (POS), as well as the measurement errors and control errors of the designed compensation device has been considered. The experimental results show that the designed compensation device is effective to compensate the impact of the roll variation.
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