摘要
为增强空间场景真实感,反映航天器运行趋势,提出了航天器轨道的可视化方法。基于IAU2006岁差章动模型进行轨道计算以确保计算精度;针对空间态势轨道绘制中多航天器、多时间点同时计算需求,应用平衡查找树和章动近似的方法提高效率;设计了地球固联坐标系和J2000.0协议天球坐标系下的轨道绘制方法获得不同的显示效果。上述方法已成功应用于空间态势系统。
To improve reality of space scene and represent moving trend of spacecrafts, the visualization algorithm of spacecraft orbit was brought forward. Firstly, the calculation method based on IAU2006 precession-nutation model was put forward to achieve high precision. Secondly, for calculating many points on many orbits simultaneously, the balance search tree and nutation approximate technique were applied to improve efficiency. Finally, the rendering methods for J2000.0 conventional inertial system and terrestrial reference system were designed to achieve different display effect. The orbit visualization module implemented has been applied to space situation system successfully.
出处
《计算机应用》
CSCD
北大核心
2012年第A02期255-257,共3页
journal of Computer Applications
基金
国家863计划项目(2011AA7041008)
