基于距离信息修正的自由段弹道预测法

刘永兰; 贺正洪; 李振兴; 杨皓云

基于距离信息修正的自由段弹道预测法

空军工程大学防空反导学院, 西安 710051

基金项目: 国家自然科学青年基金资助项目（61102109）

详细信息

中图分类号: TJ761.3
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出版历程
- 收稿日期: 2013-04-29
- 网络出版日期: 2014-02-20

Algorithm of trajectory prediction in free phase based on range adjusting

School of Air and Missile Defense, Air Force Engineering University, Xi'an 710051, China

摘要

摘要: 雷达具有测距精度比测角精度高的特点，充分利用这种测量的不对称性，提出一种基于距离信息修正的自由段弹道预测法.该方法是在雷达观测的弹道导弹自由段运动数据的基础上，采用滑动窗口中点平滑法处理观测数据，再次利用距离信息对轨道根数进行动态微分修正，提高观测数据的利用率和弹道预测的精度.仿真试验表明，该方法明显优于基本椭圆弹道法，大大提高了弹道预测的精度.
- 弹道预测 /
- 自由段 /
- 距离修正 /
- 滑动窗口
Abstract: Radar has the characteristic that range accuracy is higher than angle accuracy. With taking full use of the asymmetrical measurement, a method of trajectory prediction in free phase based on the range adjusting was put forward. On the basis of ballistic missile movement data in free phase measured by radar, the method dealed with the data with the sliding window midpoint smoothing means, reused the range information to dynamically differential correct the orbital elements, improving the utilization of measured data and the accuracy of trajectory prediction. Simulation results show that the method is evidently better than the basic elliptical trajectory, and greatly enhances the accuracy of trajectory prediction.
- trajectory prediction /
- free phase /
- rang adjusting /
- sliding window

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参考文献(20)

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