基于GDE 3算法的红外低轨星座设计

王春明; 陈曦; 邓勇

基于GDE 3算法的红外低轨星座设计

1.
国防科技大学电子科学与工程学院, 长沙 410073
2. 中国科学院综合信息系统技术国家级重点实验室, 北京 100190

基金项目: 中国科学院支撑技术资助项目(K6GF735979)

详细信息

作者简介:
王春明(1983-),男,四川乐山人,硕士生,chunming07@iscas.ac.cn.

中图分类号: V 57; TN 911
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- 文章访问数: 3358
- HTML全文浏览量: 170
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- 被引次数: 0
出版历程
- 收稿日期: 2009-05-12
- 网络出版日期: 2010-07-30

Infrared LEO constellation design by GDE 3 algorithm

1.
College of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, China
2. National Key Laboratory of Integrated Information System Technology, Chinese Academy of Sciences, Beijing 100190, China

摘要

摘要: 针对红外低轨系统,综合考虑定位精度、空间覆盖以及星座成本等因素,提出了红外低轨星座的设计准则,并定义星座性能的度量指标.然后,引入GDE 3算法用于红外低轨星座设计,该方法基于Pareto最优概念,能够得到多个最优解,适于多目标优化设计.通过星座建模和目标函数设计,进行了仿真实验.最后验证了设计得到的星座在多项性能指标上均优于已有文献中的星座.
- 星座设计 /
- 定位精度 /
- 空间覆盖 /
- GDE 3算法
Abstract: Some guidelines about the design of infrared LEO(low earth orbit) constellation were analyzed and presented which involved location precision, space coverage and the constellation cost. And some indexes were defined to measure the performance of the constellation, such as the average efficient location precision, the N geometric coverage percentage and the N valid coverage percentage. Certain indexes could be used as some objective functions. The GDE 3 algorithm proposed could design and optimize the constellation. This method was based on Pareto optimal and could obtain a set of optimal solutions, thus it was adapted to solve the multi-object optimization problems. The simulation experiment was made by establishing the constellation model and designing the objective functions. Finally a constellation was selected from the results via a kind of multi-attributes decision. Compared with other constellation, much better performance was observed.
- constellation design /
- location precision /
- space coverage /
- GDE 3 algorithm

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