用箭遥数据计算三轴稳定卫星初始姿态

在卫星发射中,利用星箭分离时刻的火箭遥测数据来确定卫星在入轨时的初始姿态,是主动段测控任务中准实时工作很重要的一环。文中从初始姿态确定的原理入手,对数据的选取和坐标系的定义进行描述,并对计算方法和步骤进行了讨论。通过实际应用,指出应注意的事项。

Initial Attitude Determination of the Three-axis Stabilized Satellite with Rocket Telemetry Data

The initial attitude determination of the satellite in the orbit-insertion point with rocket telemetry data measured at the time when the satellite separates from the rocket is proved to be very important in satellite maritime tracking and controlling tasks.Starting with the principle of satellite initial attitude determination,this paper introduces the selection of data and the definition of coordinate system,gives a detailed discussion of the calculation methods and process,and points out some problems that should be paid attention to.