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Study on modeling and simulation of LEO satellite’s optical reflection characteristic based on davies bidirectional reflection distribution function
Bu, Fan; Qiu, Yuehong; Yao, Dalei
2018
会议名称4th International Symposium on Space Optical Instruments and Applications, 2017
会议录名称4th International Symposium of Space Optical Instruments and Applications - 2017
卷号209
页码189-198
会议日期2017-10-06
会议地点Delft, Netherlands
出版者Springer Science and Business Media, LLC
产权排序1
摘要

Based on background radiation, material properties, orbit parameters, and the relative motion between LEO satellite body and solar panel, Davies-BRDF (bidirectional reflection distribution function) was used to establish the mathematical models of spectral and imaging characteristic of LEO satellite and calculate the satellite irradiance on entrance pupil and image plane of detector. Here, the surface of LEO satellite was divided into areas and each area was divided into grids. According to the orbit parameters of LEO satellite and detector, imaging condition of LEO satellite was analyzed and the judgment basis of imaging angle and scale was given. Taking different materials and shapes of satellites for example, these input parameters (the properties of structure, materials and orbit) were used to calculate the reflected radiation of every grid of satellite surface, and establish the mathematical models of reflection characteristic. The body coordinate of satellite was set and the relative positions of satellite, background radiation and detector were determined making use of coordinate conversion. In this paper, the imaging degrading effects were taken into consideration in the process of simulation. Simulated results of the satellite optical characteristic were decided by the relative position of the solar, the earth and the LEO satellite, as well as its geometrical shapes, flight figure and surface materials. The imaging results demonstrate that Davies-BRDF can simulate the reflection characteristics of the LEO satellite precisely and the simulated images was more accurate. © Springer Nature Switzerland AG 2018.

作者部门空间光学应用研究室
DOI10.1007/978-3-319-96707-3_21
收录类别EI
ISBN号9783319967066
语种英语
ISSN号09308989;18674941
EI入藏号20184305973766
引用统计
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/30686
专题空间光学应用研究室
通讯作者Bu, Fan
作者单位Space Optics Laboratory, Xi’an Institute of Optics and Precision Mechanics, CAS, Xi’an; Shaanxi; 710119, China
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Bu, Fan,Qiu, Yuehong,Yao, Dalei. Study on modeling and simulation of LEO satellite’s optical reflection characteristic based on davies bidirectional reflection distribution function[C]:Springer Science and Business Media, LLC,2018:189-198.
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