空间背景光星模拟器系统设计

徐达; 张国玉; 孙高飞

doi:10.11728/cjss2018.04.575

空间背景光星模拟器系统设计

doi: 10.11728/cjss2018.04.575

徐达¹,
张国玉^1,2,
孙高飞^1,2

1. 长春理工大学光电工程学院长春 130022;
2. 吉林省光电测控仪器工程技术研究中心长春 130022

基金项目:

吉林省重点科技攻关项目（20160204008GX）和长春理工大学科技创新基金项目（XJJLG-2016-15）共同资助

详细信息

作者简介:
徐达,E-mail:418168115@qq.com

中图分类号: V416.8;TH744
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- 被引次数: 0
出版历程
- 收稿日期: 2017-02-21
- 修回日期: 2018-01-10
- 刊出日期: 2018-07-15

Design of Star Simulator with Spatial Background Lightormalsize

1. School of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun 130022;
2. Jilin Engineering Research Center, Photoelectric Measurement and Control Instruments, Changchun 130022

摘要

摘要: 为实现星敏感器光信号的高精度标定需求，提出了一种具有空间背景光的星敏感器地面标定系统，解决了空间背景光对星敏感器光信号定标精度的影响，提高了星敏感器的标定精度.对空间背景光对星敏感器标定精度的影响进行分析，给出了具有空间背景光的星模拟器实现方案，设计了能同时模拟空间背景光和星点位置信息的星模拟器光学系统.结果表明，该系统全视场相对畸变小于0.01%，MTF在80lp·mm^-1处大于0.5，达到了高精度指标要求.设计了一套空间背景光系统，通过对电流和可变光阑的控制，实现了亮度2⁶倍变化.提出了一种基于像差补偿的星点位置修正方法，并给出了修正模型.利用徕卡T6100经纬仪和照度计，分别对星模拟器所在的星点位置误差和空间背景光亮度进行测试.结果表明，空间背景光亮度可实现2⁶倍调整，在最高能量和最低能量下星模拟器星点位置误差精度<10"，满足星敏感器地面标定要求.
- 星模拟器 /
- 空间背景光 /
- 光学设计 /
- 星点位置修正
Abstract: In order to satisfy the high precision calibration requirement of the star sensor's optical signal, a star sensor ground calibration system with spatial background light is proposed. It solves the problem of calibration accuracy of the star sensor's optical signal due to the spatial background light, improves the accuracy of star sensor calibration. The influence of spatial background light on the calibration accuracy of star sensor is analyzed. The scheme of star simulator with spatial background light is given. A set of star simulator optical system which can simulate spatial background light and star point position at the same time is designed. The results show that the system distortion is smaller than 0.1%, MTF is larger than 0.5 with 80lp·mm^-1. The system satisfies the high-precision requirements. A set of spatial background light system is designed through the control of the current and the variable iris. The background brightness adjustment is up to 2⁶ times. Finally, a method of correct star point position with aberration compensation is proposed, and the correction model is presented. The star position error and spatial background brightness of the star simulator are tested by using the Leica T6100 theodolite and the illuminometer. The result shows that the spatial background brightness adjustment is up to 2⁶ times and the star position accuracy is better than 10". The star simulator can meet the ground calibration requirement of star sensor.
- Star simulator /
- Spacial background light /
- Optical design /
- Star position correction

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参考文献(13)

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