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碎片云演化分析新进展: 完全基于概率表征方法

舒鹏 杨震 罗亚中

舒鹏, 杨震, 罗亚中. 碎片云演化分析新进展: 完全基于概率表征方法. 力学进展, 2021, 51(4): 910-914 doi: 10.6052/1000-0992-21-002
引用本文: 舒鹏, 杨震, 罗亚中. 碎片云演化分析新进展: 完全基于概率表征方法. 力学进展, 2021, 51(4): 910-914 doi: 10.6052/1000-0992-21-002
Shu P, Yang Z, Luo Y Z. Progress in the analysis of debris cloud evolution: Fully based on probabilistic methods. Advances in Mechanics, 2021, 51(4): 910-914 doi: 10.6052/1000-0992-21-002
Citation: Shu P, Yang Z, Luo Y Z. Progress in the analysis of debris cloud evolution: Fully based on probabilistic methods. Advances in Mechanics, 2021, 51(4): 910-914 doi: 10.6052/1000-0992-21-002

碎片云演化分析新进展: 完全基于概率表征方法

doi: 10.6052/1000-0992-21-002
基金项目: 国家自然科学基金资助项目 (11972044)
详细信息
    作者简介:

    罗亚中, 国防科技大学空天科学学院教授, 博士生导师. 主要从事航天动力学与控制研究. 被表彰为中国载人航天工程突出贡献者, 获教育部青年科学奖、省自然科学一等奖2项

    通讯作者:

    luoyz@nudt.edu.cn

  • 中图分类号: V41

Progress in the analysis of debris cloud evolution: Fully based on probabilistic methods

More Information
  • 摘要: 从碎片云的不确定性特征出发, 可以构建完全基于概率表征的碎片云演化分析方法. 用于对解体、演化和碰撞过程进行解析分析, 避免了数值方法计算效率低和结果鲁棒性差的问题.

     

  • 图  1  (a)分别通过采样法(颜色图)和解析法(等高线)得到的解体碎片半长轴与偏心率分布; (b)不同采样数量得到的概率密度(实线)与解析法(虚线)比较, 采样方法需要大量样本才能捕获小概率事件; (c)解体碎片云对空间目标的年碰撞率变化; (d) (e) (f) 碎片云在选定位置的速度分布 (Frey & Colombo 2021)

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出版历程
  • 收稿日期:  2021-01-15
  • 录用日期:  2021-06-15
  • 网络出版日期:  2021-06-30
  • 刊出日期:  2021-11-26

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