Satellite guidance, navigation and control (GNC) the task is complex and changeable, the system real-time performance, reliability and high precision.

• 详细说明： 嫦娥一号卫星是中国首颗月球卫星。卫星制导、 导航与控制 (GNC)任务复杂多变 ,对系统实时性、 可靠性和精度要求较高。