| 半主动激光导引头光学系统设计及线性度分析 |
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| 引用本文： | 蒲小琴, 董全林, 余子箫, 等. 半主动激光导引头光学系统设计及线性度分析[J]. 航天器环境工程, 2020, 37(3): 303-309doi:10.12126/see.2020.03.016 |
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| 作者姓名： | 蒲小琴 董全林 余子箫 张斯明 邵静怡 刘业楠 王军伟 |
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| 作者单位： | 1.北京航空航天大学 仪器科学与光电工程学院，北京 100191;2.中国空间技术研究院;3.北京卫星环境工程研究所：北京 100094 |
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| 摘 要： | 文章阐述半主动激光导引头的工作原理，分析四象限探测器输出信号与目标位置之间的关系，并对四象限探测器光斑能量分布关系与线性度进行推导；设计单片透镜、双片透镜组、三片透镜组3款不同的光学系统，以光斑能量照度信息为基础，分析特定视场角范围内光学系统的线性度，最后得到在±15°视场角中线性视场可达±8°的光学系统。
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| 关 键 词： | 激光导引头 光学系统 能量分布 线性度 |
| 收稿时间： | 2019-08-27 |
| 修稿时间： | 2020-05-22 |
Design of optical system for semi-active laser seeker and related linearity analysis |
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| PU X Q, DONG Q L, YU Z X, et al. Design of optical system for semi-active laser seeker and related linearity analysis[J]. Spacecraft Environment Engineering, 2020, 37(3): 303-309doi:10.12126/see.2020.03.016 |
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| Authors: | PU Xiaoqin DONG Quanlin YU Zixiao ZHANG Siming SHAO Jingyi LIU Yenan WANG Junwei |
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| Affiliation: | 1. School of Instrumentation Science and Opto-electronics Engineering, Beihang University, Beijing 100191, China;2. China Academy of Space Technology;3. Beijing Institute of Spacecraft Environment Engineering: Beijing 100094, China |
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| Abstract: | Based on the working principle of the semi-active laser seeker, this paper analyses the relationship between the output signal of the four-quadrant detector and the position of the target. The distribution of the spot energy detected by the four-quadrant detector is obtained, and its linearity is analyzed.Three different optical systems featured by a single-lens, a double-lens group, and a triple-lens group are designed, respectively. Taking the spot illumination information as a reference, the linearity of the optical system in a certain scope of view angle is analyzed. Finally, an optical system with a linear field view up to ±8° at a view angle of ±15° is developed. |
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| Keywords: | laser seeker optical system energy distribution linearity |
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