航空学报 > 1997, Vol. 18 Issue (2): 234-237

对提高统计线性化精度及高阶矩传播法的研究

林晓辉, 崔乃刚, 刘育华   

  1. 哈尔滨工业大学航天工程与力学系, 哈尔滨, 150001
  • 收稿日期:1996-02-26 修回日期:1996-07-26 出版日期:1997-04-25 发布日期:1997-04-25

STUDY OF IMPROVEMENT ON THE ACCURACY OF STATISTICAL LINEARIZATION AND HIGHER MOMENT PROPAGATION METHOD

Lin Xiaohui, Cui Naigang, Liu Yuhua   

  1. Department of Space Flight and Mechanics, Harbin Institute of technology, Harbin, 150001
  • Received:1996-02-26 Revised:1996-07-26 Online:1997-04-25 Published:1997-04-25

摘要:

提出提高统计线性化精度的新方法,同时研究高阶矩传播法的计算方法,并以此方法做为衡量计算精度的标准,计算结果表明,提出的修正方法改善了计算精度,并且易于推广使用。

关键词: 统计分析, 随机变量, 弹道散布

Abstract:

A new method of improving the accuracy of statistical linearization is developed. Meanwhile, a higher moment propagation method is introduced and used as the standard of testing the calculation accuracy. Numerical computations indicate that the modifying method developed here can improve the accuracy and is easy to use.

Key words: statistical analysis, stochastic variation, trajectory dispersion

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