基于液晶光阀的星模拟器研究
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摘要
星模拟器是卫星控制系统中姿态测量关键部件——星敏感器的一项重要地面试验设备。星敏感器地面标定试验精度的高低,将直接影响卫星在轨道上的工作精度。本文实现在地面上模拟卫星在太空中所看到的恒星,研究了一种卫星试验用星模拟器,解决了星敏感器地面模拟试验测试的问题。
     本文论述了星模拟器的组成、总体结构和星模拟器的基本功能,并对星模拟器光学系统、液晶光阀星图显示、系统精度进行了深入的研究。提出了一种基于液晶光阀的高精度星图模拟方法。液晶光阀是星模拟器中最重要的部件,通过对星光模拟和星等分等设计,利用液晶光阀实现高质量的星图动态显示。通过星间角距和星等的检测与分析验证了星模拟器的精度的准确性,为星模拟器的研究提供了设计依据。
The star simulator instrument is an important test equipment on the ground of star sensitivity instrument which is a stance test key component in planet control system. Whether star sensitivity instrument demarcate test precision high or not, will directly affect work precision work the planet on the orbit. to simulate the earth on the ground which can be seen in firmament, This paper advances a miniature collimating infrared star simulator design , solves the star sensor ground simulation test question.
     This paper introduces the compose, integer structure, star simulator, and based function of the star simulator instrument and shows a detailed exposition about optical system design liquid crystal light valve display and system accuracy. This paper presents a liquid crystal light valve based on the high-precision satellite image simulation methods. LCLV is the most important components of star simulator, through sub-stars such as simulation and design, use of high-quality liquid crystal light valve dynamic display the star map; via satellite from the angle between the satellites and the detection and analysis of test the accuracy of the satellite simulator the accuracy of satellite simulator for the study of the design basis.
引文
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