星图模拟方法在星敏感器技术研究中的应用

摘要

Star sensor is an attitude-measuring instrument with high accuracy.Star map simulation with the aid of computer can offer abundant star image data.Firstly,the principle and methods are discussed of simulating the imaging of star sensors and producing simulated star maps,which are realized by the extended programming on optical design software.Then,programming design results of star map simulation are given together with the applications of star map simulation method in optical system evaluation,star image extrac-tion algorithm and star identification algorithm,and calibrating system errors.The study proves that star map simulation serves as an important support to the study of star sensor technology.%　　目前，星敏感器是一种高精度的姿态测量设备，利用计算机开展星图模拟能提供丰富的星图数据。文章讨论了利用光学设计软件，通过扩展编程模拟星敏感器成像，输出模拟星图的原理和方法，给出星图模拟程序设计结果，讨论星图模拟方法在评估光学系统、星像提取算法、星图识别算法性能以及标定系统误差等方面的应用。研究表明，星图模拟为促进星敏感器技术的研究提供了重要支持。