Abstract
Array Synthetic Aperture Radar (SAR), Interferometric Synthetic Aperture Radar (InSAR) and multi-task imaging sensors are the most attractive development directions in the field of high resolution earth observation. Distributed Position and Orientation System (DPOS) can measure accurately multi-node motion information with transfer alignment, which further advances efficiency and quality of imaging sensors. In practical case, influenced by external disturbance, the performance of transfer alignment is restricted by flexible deformation between master system and slave system. Aiming at this problem, this paper proposes a promising DPOS with flexible baseline. The flexible deformation between master system and slave system is obtained by vision measurement system. The high-precision motion parameters of the master system compensated by flexible deformation are provided for each slave system as reference, and transfer alignment with position-velocity-attitude matching is applied.
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