| 非线性相对运动下空间碎片碰撞概率计算的研究 |
| |
| 引用本文： | 许晓丽,熊永清.非线性相对运动下空间碎片碰撞概率计算的研究[J].天文学报,2011,52(1):73-85. |
| |
| 作者姓名： | 许晓丽 熊永清 |
| |
| 作者单位： | 1. 中国科学院紫金山天文台,南京,210008;中国科学院研究生院,北京,100049
2. 中国科学院紫金山天文台,南京,210008 |
| |
| 基金项目： | 国家自然科学基金项目(10773033)资助 |
| |
| 摘 要： | 空间目标碰撞概率的计算是航天器进行空间碎片预警和规避机动的基础.为了简化计算,目前国内外在计算碰撞概率问题过程中大多基于线性相对运动的条件,将三维碰撞概率计算积分问题简化为位置误差概率密度函数在圆域内的二维积分问题.但是当空间目标相对运动速度较小时,这种线性运动条件不再成立,就需要在真实的非线性相对运动状态下重新考虑碰...
|
| 关 键 词： | 航天器 方法:分析 |
A Research on Collision Probability Calculation of Space Debris for Nonlinear Relative Motion |
| |
| XU Xiao-li,XIONG Yong-qing.A Research on Collision Probability Calculation of Space Debris for Nonlinear Relative Motion[J].Acta Astronomica Sinica,2011,52(1):73-85. |
| |
| Authors: | XU Xiao-li XIONG Yong-qing |
| |
| Institution: | XU Xiao-li~(1,2) XIONG Yong-qing~1 (1 Purple Mountain Observatory,Chinese Academy of Sciences,Nanjing 210008) (2 Graduate University of Chinese Academy of Sciences,Beijing 100049) |
| |
| Abstract: | The calculation of collision probability is the foundation of collision detection and avoidance maneuver for space objects.Now an assumption of linear relative motion is usually applied in the calculation of collision probability and then the complex 3-dimensional problem can be reduced to a 2-dimensional integral of probability density function over the area of circle.However,if the relative velocity value is very small,the term of linear relative motion is not valid.So it is necessary to consider the calc... |
| |
| Keywords: | space vehicles methods analytical |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
