制导弹药末段目标截获概率研究
Research on Target Acquisition Probability in the Terminal Guidance of Guided Munition
查看参考文献11篇
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文摘
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针对末制导弹药对地面目标攻击时是否加入中制导环节,研究其末段飞行过程中与目标的几何位置关系,采用快速计算与解析方法分析其打击地面固定目标时导引头对目标的角度截获.通过空中散布椭球和地面散布椭圆的近似计算得到视场角计算公式,进而建立一般的数学模型,并从统计概率角度,得到末制导目标截获概率,根据3σ原则判断是否加入中制导环节.同时研究了零控脱靶量与末制导修正距离,结果表明末制导修正能力满足零控脱靶量.仿真发现导引头开机位置距离目标逐渐变小时,视场角的置信区间先减小、后增大.计算了不同干扰因素对视场角置信区间的影响,结果表明水平风对视场角分布的影响比侧风的影响要大. |
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其他语种文摘
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The addition of the midcourse guidance in the guided munition attack and the geometrical position between the missile and the target during the missile flight are studied. The key analysis focuses on the angle of the target intercepted from the seeker when the missile attacks the ground fixed target. The fast calculation method and the analytic method are put forward. In the result of the approximate calculation which is from the space distribution ellipsoid and the ground distribution ellipse, the view angle calculation formula is derived. Furthermore, a general mathematical model to get the target acquisition probability from the view of statistical probability is created. According to the 3σ principle, whether to add the midcourse guidance is decided. The zero-effect miss and the maneuvering ability of the guided munition are researched. The results show that the maneuvering ability of the guided munition covers the zero-effort miss. The confidence interval of the view angle first decreases and then increases when the distance between the seeker and the target decreases. Finally, the influences of different disturbance factors on the view angle's confidence interval are calculated. The calculated results show that the wind in x direction has more influence on the view angle than the wind in z direction. |
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来源
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兵工学报
,2015,36(2):287-293 【核心库】
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DOI
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10.3969/j.issn.1000-1093.2015.02.014
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关键词
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兵器科学与技术
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末制导
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目标探测
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蒙特卡洛法
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截获概率
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地址
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北京理工大学, 飞行器动力学与控制教育部重点实验室, 北京, 100081
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-1093 |
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学科
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武器工业 |
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文献收藏号
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CSCD:5471575
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