Abstract
A novel space environment effects equivalence model used for space optical detection is proposed in this paper. In this model, the effects on the space optical detection system are equivalent to defocus, image motion, vibration and noise. Besides, the equivalent modulation transfer function of the space optical detection system is presented. The proposed model can avoid analyzing so many space influence factors at the same time. Moreover, the model can provide some basis to determine the parameters of the detection system which are difficult to measure. Some numerical simulations are made to test the validity and capability of the proposed model.
Publisher
Trans Tech Publications, Ltd.
Reference7 articles.
1. Wang H, Zhang W. Infrared characteristics of on-orbit targets based on space-based optical observation[J]. Opt Commun 2013; 290: 69-75.
2. Zhu D, Shen W, Cai G. Numerical simulation and experimental study of factors influencing the optical characteristics of a spatial target. Appl. Therm. Eng. 2013; 50: 749-762.
3. Zhu G W, Li B Q. Space environment effect and countermeasure research on spacecraft. Aerospace Shanhai, 2002, 19(4): 1-7.
4. Ding Y W, Liu J, Lu E. Effect of space environment on the dimension stability of optical remote sensor[J]. Optics and Precision Engineering, 2002, 10(1): 106-109.
5. Liu Y T, Yuan J. Discussion about off-focus influence on MTE for long focus aerial camera[J]. Journal of Changchun university of science and technology, 2004, 27(2): 26-28.