摘要
针对星光大气折射观测导航方法的可观性展开研究,利用局部弱可观理论分析了方法的可观性,根据构造的可观性矩阵的条件数考察了不同观测方式对导航系统的可观性影响,据此找到了最佳的折射观测方向,为实际选择折射星提供了参考方向。
The observability of the navigation approach using starlight refraction measurements is analyzed based on the theory of local weak observability. The influence of different observing manners to the system observability are analyzed according to the condition number of the observable matrix, thereby, the best observing manner is found, which provides the reference direction to the real measurements.
出处
《现代防御技术》
北大核心
2012年第2期65-70,81,共7页
Modern Defence Technology
关键词
天文导航
星光折射
可观性分析
可观测度
celestial navigation
starlight refraction
observability
observable degree
