| 中低轨红外预警弹道估计及精度分析 |
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| 引用本文： | 李贞杰,易东云,吴翊.中低轨红外预警弹道估计及精度分析[J].弹道学报,2006,18(1):35-37,41. |
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| 作者姓名： | 李贞杰 易东云 吴翊 |
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| 作者单位： | 国防科学技术大学,理学院,长沙,410073;国防科学技术大学,理学院,长沙,410073;国防科学技术大学,理学院,长沙,410073 |
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| 摘 要： | 解决了在一颗中低轨预警卫星的条件下的导弹定位和弹道估计问题,主要以自由段弹道方程式为模板,与观测数据作匹配得到导弹初始观测点参数,确定整个弹道.通过精度分析和仿真实验,证明方法的有效性和可行性.
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| 关 键 词： | 低轨预警卫星 空间跟踪和监视系统 自由段 参数估计 误差传播矩阵 |
| 文章编号： | 1004-499X（2006）01-0035-03 |
| 收稿时间： | 2005-04-08 |
| 修稿时间： | 2005-04-08 |
Trajectory Estimate and Precision Analysis under the Early Warning of Medium or Low Orbit Satellite |
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| LI Zhen-jie,YI Dong-yun,WU Yi.Trajectory Estimate and Precision Analysis under the Early Warning of Medium or Low Orbit Satellite[J].Journal of Ballistics,2006,18(1):35-37,41. |
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| Authors: | LI Zhen-jie YI Dong-yun WU Yi |
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| Affiliation: | Science College, NUDT, Changsha 410073 , China |
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| Abstract: | The missile positioning and ballistic estimate were resolved under the conditions of a single medium or low orbit satellite for infrared early warning. Based on the trajectory formule of free flight period and matched with observation value, the first detected point parameters of missile were obtained, and the total trajectory was also obtained. The presision analysis and simulation test show that the method is effective and feasible. |
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| Keywords: | low orbit satellite Space Tracking and Surveillance system free flight period parameters estimate error diffusion matrix |
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