| 基于中低轨星座对弹道导弹监视的可探测模型 |
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| 引用本文： | 赵砚,易东云,张倩,李贞杰.基于中低轨星座对弹道导弹监视的可探测模型[J].上海航天,2010,27(2):1-8,33. |
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| 作者姓名： | 赵砚 易东云 张倩 李贞杰 |
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| 作者单位： | 1. 国防科学技术大学,理学院,湖南,长沙,410073
2. 北京航天指挥控制中心,北京,100094 |
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| 基金项目： | 国家自然科学基金，航天支撑技术基金项目 |
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| 摘 要： | 分析了中低轨卫星及星载红外传感器对导弹目标的可探测性因素,提出了几何可见、光学可见和设备可见的概念,建立了单星对导弹的可观测模型。对Walker-δ星座的3*7,7*3两种构型进行了仿真,讨论了传感器工作模式和作用距离的影响,以及可见率的数值特性,并演示了3个任务对单弹道接力跟踪的典型情形。
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| 关 键 词： | 弹道估计 天基监视 红外传感器 几何可见 光学可见 设备可见 |
Detectability Model for Ballistic Missile Surveillance Based on MEO and LEO Constellation |
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| ZHAO Yan,YI Dong-yun,ZHANG Qian,LI Zhen-jie.Detectability Model for Ballistic Missile Surveillance Based on MEO and LEO Constellation[J].Aerospace Shanghai,2010,27(2):1-8,33. |
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| Authors: | ZHAO Yan YI Dong-yun ZHANG Qian LI Zhen-jie |
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| Institution: | ZHAO Yan~1,YI Dong-yun~1,ZHANG Qian~2,LI Zhen-jie~1(1.School of Science,NUDT,Changsha Hunan 410073,China,2.Beijing Aerospace Comm, , Control Center,Beijing 100094,China) |
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| Abstract: | The ballistic missile surveillance based on MEO and LEO constellation with infrared sensors was analyzed in this paper. The detectabilities of geometry, optics and equipment were put forward. The model of the single satellite for the missile was established. The ballistic missile surveillance with two structures 3＊7,7＊3 of Walker-δ constellation was simulated. The effectiveness of the sensor operation mode and operation distance and the numerical characteristics of the detectable ratio were discussed. The relay trackings of the single trajectory for three missions were displayed. |
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| Keywords: | Trajectory estimation Space-based surveillance Infrared sensor Geometry detectability Optics detectability Equipment detectability |
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