中国激光, 2020, 47 (3): 0304005, 网络出版: 2020-03-12
基于光度数据的低轨空间目标工作状态异常检测方法 下载: 872次
Anomaly Detection Method for Working Status of Low-Orbit Space Objects Based on Photometric Data
图 & 表
图 2. 低轨目标观测。(a) 卫星星下点轨迹;(b) 不同窗口的观测几何条件随时间的变化
Fig. 2. Low-orbit objects observation. (a) Track of subsatellite point; (b) observation geometry of different windows varies with time
图 3. 不同观测几何条件下的空间目标OCS曲线。(a)三轴稳定;(b)自旋
Fig. 3. OCS curves of space objects at different observation geometry. (a) Three-axis stabilization; (b) spinning
图 6. 空间目标异常工作状态示意图。(a)偏转30°;(b)偏转90°;(c)偏转130°;(d)绕Z轴自旋;(e)对日定向
Fig. 6. Schematic of space object with abnormal working status. (a) Offset of 30°; (b) offset of 90°; (c) offset of 130°; (d) spinning about body Z; (e) sun alignment with nadir constraint
图 7. 三种空间目标模型。(a)风云;(b) GPS;(c)天宫
Fig. 7. Three space object models. (a) Fengyun; (b) GPS; (c) Tiangong
图 12. 风云的异常工作状态检测。(a)指向异常;(b)旋转异常
Fig. 12. Abnormal working status detection of Fengyun. (a) Abnormal pointing; (b) abnormal rotation
图 13. GPS的异常工作状态检测。(a)指向异常;(b)旋转异常
Fig. 13. Abnormal working status detection of GPS. (a) Abnormal pointing; (b) abnormal rotation
表 1卫星表面材料的改进Phong模型参数
Table1. Improved Phong model parameters of some satellite surface materials
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表 2各工作状态对应的异常识别率
Table2. Anomaly recognition rate corresponding of each working state
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汪夏, 徐灿, 张峰, 李鹏. 基于光度数据的低轨空间目标工作状态异常检测方法[J]. 中国激光, 2020, 47(3): 0304005. Wang Xia, Xu Can, Zhang Feng, Li Peng. Anomaly Detection Method for Working Status of Low-Orbit Space Objects Based on Photometric Data[J]. Chinese Journal of Lasers, 2020, 47(3): 0304005.