【作者】 张仁斌； 王鹿； 李钢；

【Author】 Zhang Renbin Wang Lu Li Gang (School of Computer and Information Hefei University of Technology Hefei 230009 China)

【机构】 合肥工业大学计算机与信息学院；

【摘要】 导航星库按照分天区的方法存储既能方便管理又能加速观测星图的查找匹配过程,但是按照传统的分天区存储方法构建的导航星数据库,要求星敏感器CCD视轴每次落在天区的中心,这是难以实现的。通过改进的方法建立的导航星数据库,能够从根本上消除CCD视场跨天区而导致的观测星图无法识别的问题。另外,还根据导航星库的特点,提出了一种新的观测星图快速识别方法。仿真实验表明,相比传统三角形识别算法,该算法所需要的导航星数据库较小,准确率较高,识别过程需要的时间也较少。更多还原

【Abstract】 Storing the guide star catalog in the celestial areas can both make the management convenience and speed up the match of observation star map.But it is hard to achieve that the traditional method requires the axis of CCD locate at the center of celestial area every time.The method of funding the guide star catalog which is improved by this thesis can basically solve the problem of cannot identify the observing star pairs caused by the over vision of CCD view field.In addition,a new method of observation star map identification according to the characteristics of the structure of guide star database is proposed by this thesis.Simulation experiment shows that compared with the traditional triangle algorithm,the new algorithm requires a smaller database of guide star pattern,the recognition accuracy is higher,and the identification process takes less time.更多还原