Boresight test of the space camera

Hui Xing; Junru Song; Xin Jia; Yunsong Nie

doi:10.1117/12.2505164

12 December 2018 Boresight test of the space camera

Hui Xing, Junru Song, Xin Jia, Yunsong Nie

Proceedings Volume 10846, Optical Sensing and Imaging Technologies and Applications; 108461R (2018) https://doi.org/10.1117/12.2505164
Event: International Symposium on Optoelectronic Technology and Application 2018, 2018, Beijing, China

Abstract

In order to meet the high positioning requirement of space camera for image acquisition,the camera boresight and the ground should be ensured into a fixed angle.At the same time, CCD integal direction and TDI imagery heading must be maintained the same.This paper presents an boresight testing and calculating approach based on the space coordinate transformation.The measuring principle of the theodolite is given,and then the measuring coordinate system is established. The space angle is transformed into space coordinates,data processing is then performed.The measurement method of the boresight is given. The formula to calculate the boresight and the linear array direction is also deduced.The experimental results show that the measurement accuracy of the boresight and the linear array direction is 4″.The testing method is reasonable and feasible,and the algorithm is simple and effective.The method can be used to most of the spce camera.

Citation Download Citation

Hui Xing, Junru Song, Xin Jia, and Yunsong Nie "Boresight test of the space camera", Proc. SPIE 10846, Optical Sensing and Imaging Technologies and Applications, 108461R (12 December 2018); https://doi.org/10.1117/12.2505164

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