| 空间目标TLE天基光学混合状态SPKF拟合方法 |
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| 引用本文： | 张涛,陈荣利,张寅生,程洪玮.空间目标TLE天基光学混合状态SPKF拟合方法[J].光子学报,2009,38(12). |
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| 作者姓名： | 张涛 陈荣利 张寅生 程洪玮 |
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| 作者单位： | 1. 北京跟踪与通信技术研究所,北京,100094
2. 中国科学院西安光学精密机械研究所,西安,710119 |
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| 摘 要： | 针对天基光学监视应用中空间目标两行轨道根数拟合估计问题,通过引入UT变换和混合状态空间,将简化的常规摄动预测模型嵌入跟踪滤波过程,提出两行轨道根数拟合估计的天基光学混合状态Sigma点卡尔曼滤波方法.仿真结果表明,该方法可利用仅测角观测资料实现对空间碎片等非合作目标的两行轨道根数序贯滤波拟合估计.
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| 关 键 词： | 双行根数 空间目标 仅测角 跟踪 |
TLE Conversion of the Non-cooperative Space Object Using Bearing-only Measurements |
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| ZHANG Tao,CHEN Rong-li,ZHANG Ying-sheng,CHENG Hong-wei.TLE Conversion of the Non-cooperative Space Object Using Bearing-only Measurements[J].Acta Photonica Sinica,2009,38(12). |
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| Authors: | ZHANG Tao CHEN Rong-li ZHANG Ying-sheng CHENG Hong-wei |
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| Abstract: | In order to solve the TLE conversion problem in space-based optical surveillance,the UT and mixed-state space are introduced,and the SGP4 propagator is embedded in the tracking filtering.This new TLE conversion method is called mixed-state SPKF.Simulation results indicate that the new method can utilize the bearing-only measurements to realize the TLE conversion of the space object,especially of the non-cooperative objects. |
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| Keywords: | UT Two-Line-Elements Space-object Bearing-only Tracking Unscented Transformation(UT) |
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