论文部分内容阅读
星敏感器焦距和主光轴偏心等参数对整个系统产生较大的影响。该文定量地分析了星敏感器星点坐标处理精度、主光轴位置和焦距误差对星图识别的影响,利用观星实验设计了一种自主进行参数校正的方法并给出了设计原则。对APS CM O S星敏感器进行了参数校正,并利用校正后的参数进行观星实验,星图识别成功率达到100%。理论分析和实验结果表明,该方法可用于星敏感器的系统设计和参数的自主校正。
Star sensor focal length and the main optical axis eccentricity and other parameters have a greater impact on the entire system. This paper quantitatively analyzes the processing accuracy of star point coordinates, the main optical axis position and the influence of focal length error on the recognition of asterisk. By using stargazing experiment, a method of independent parameter correction is designed and the design principle is given. The parameters of APS CM O S sensor were calibrated and stargazing experiments were carried out with the calibrated parameters. The success rate of star chart recognition was 100%. Theoretical analysis and experimental results show that this method can be used in the system design of star sensor and the autonomous correction of parameters.