Modeling of ultraviolet characteristics of deep space target

被引：5
|
作者：
Yuan Yan [1 ]
Sun Cheng-Ming [1 ]
Huang Feng-Zhen [1 ]
Zhao Hui-Jie [1 ]
Wang Qian [1 ]
机构：
[1] Beijing Univ Aeronaut & Astronaut, Minist Educ, Key Lab Precis Optomechatron Technol, Beijing 100191, Peoples R China
来源：
ACTA PHYSICA SINICA | 2011年 / 60卷 / 08期
关键词：
space target; ultraviolet characteristics; bidirectional reflectance distribution function; modeling and simulation; REFLECTANCE; SCATTERING; ALGORITHM;
D O I：
10.7498/aps.60.089501
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Ultraviolet detection has advantages of high sensitivity and low false alarm rate. Analysis of ultraviolet characteristics has great significance for space target detection. An accurate modeling method is proposed for the ultraviolet characteristics of space target. Based on the background environment and material properties of space target, region and grid division are generated, and the mathematical model of ultraviolet characteristics of space target is established by introducing bidirectional reflectance distribution function. The position relations of target, detector and background radiation source are determined by coordinate transformation algorithm. The calculation flow for ultraviolet characteristics of space target is derived. Finally, the observed ranges and irradiation distributions of Ziyuan-1 and Fengyun-3 satellite are calculated by the given parameters. The simulation results demonstrate the validity of the modeling method.
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页数：8
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