深空探测器接近段自主导航的滑动窗口自适应滤波方法
张文佳, 马辛

A Sliding Window Adaptive Filtering Algorithm for Autonomous Navigation of the Approach Phase of Deep Space Probe
ZHANG Wenjia, MA Xin
表5 窗口大小对导航方法精度的影响
Tab.5 Influence of window size on accuracy of navigation algorithm
N 估计误差平均值 估计误差最大值
位置/km 速度/(m·s-1) 位置/km 速度/(m·s-1)
1 8.572 8 0.316 1 150.67 11.197 3
5 8.412 2 0.300 1 148.27 11.178 1
10 8.323 4 0.297 6 146.02 11.173 0
50 8.545 2 0.312 8 141.62 11.168 2
100 8.850 2 0.312 7 140.63 11.167 5
300 9.579 0 0.307 9 139.87 11.167 2