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文章介绍了一种光学遥感卫星杂散光扫描测试系统,用于发射前整星条件下对光学载荷杂散光抑制能力的模拟、分析及验证测试。根据卫星的杂散光测试特点,对杂散光扫描测试系统进行了安全性、有序性、有效性、准确性、重现性、完整性和通信控制等测控设计,并推导了光束扫描子系统的控制方程。对杂散光扫描系统的控制准确性进行检测,结果表明:光束扫描位置精度优于10 mm,方位角精度优于0.2°,俯仰角精度优于0.1°。
This paper introduces an optical remote sensing satellite scanning system for stray light, which is used to simulate, analyze and verify the stray light suppression capability of optical load before the launch of the whole satellite. According to the characteristics of satellite stray light test, the stray light scanning test system is designed with the safety, orderliness, validity, accuracy, repeatability, integrity and communication control. Control equations. The control accuracy of the stray light scanning system was tested. The results show that the beam scanning position accuracy is better than 10 mm, the azimuth accuracy is better than 0.2 ° and the pitch angle accuracy is better than 0.1 °.