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以X射线脉冲星或其他宇宙X射线源辐射的X射线光子作为观测信号,通过X射线探测器获取脉冲到达时间/方向等观测量,经过数据处理自主确定航天器位置、姿态和时间等参数的方法或过程。
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feathery sea hare
feature
feature-based design
feature-based manufacturing
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feature-based reverse engineering
feature coding
feature coding of remote sensing image
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feature description method
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feature dimenionality reduction
feature driven development
feature driven development, FDD
featured village
feature editing
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feature extraction of remote sensing image
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