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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
Conference Name4th International Symposium on Space Optical Instruments and Applications, 2017
Source Publication4th International Symposium of Space Optical Instruments and Applications - 2017
Volume209
Pages189-198
Conference Date2017-10-06
Conference PlaceDelft, Netherlands
PublisherSpringer Science and Business Media, LLC
Contribution Rank1
Abstract

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.

Department空间光学应用研究室
DOI10.1007/978-3-319-96707-3_21
Indexed ByEI
ISBN9783319967066
Language英语
ISSN09308989;18674941
EI Accession Number20184305973766
Citation statistics
Document Type会议论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30686
Collection空间光学应用研究室
Corresponding AuthorBu, Fan
AffiliationSpace Optics Laboratory, Xi’an Institute of Optics and Precision Mechanics, CAS, Xi’an; Shaanxi; 710119, China
Recommended Citation
GB/T 7714
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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