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星敏感器是以恒星为参照系,以星空为工作对象的高精度空间姿态测量装置,提供准确的空间方位和基准,具有高精度、无漂移、工作寿命长等特点,可与惯性仪表组成复合导航。针对小体积、高精度的应用需求,重点概述了星敏感器小型化分体式结构设计、光学系统设计、星像提取和星图识别等关键技术,为小型化星敏感器研制提供了设计思路。
Star sensor is a star as the reference system, the sky as the object of high-precision space attitude measurement device to provide accurate spatial orientation and benchmark with high precision, drift-free, long working life and other characteristics, can be combined with the inertial meter composition navigation. In view of the demand of small volume and high precision, the key technologies of miniaturized split-type structure design, optical system design, star image extraction and star image recognition of star sensor are summarized, which provide the design ideas for miniature star sensor development.