运载火箭的双星定位方法研究

一般地，仅凭两颗ＴＤＲＳ跟踪测距信息无法确定空间运动目标的三维位置，必须借助其它辅助信息。文章总结了可供借用的６类辅助信息；并以动载火箭为研究对象，构造了借助理论弹道解算火箭飞行轨迹的计算方法，分析了测距 理论弹道偏差对定位的影响；并通过仿真计算验证了该方法的有效性。

Using Two TDRS to Determine Trajectory of a Carrier Rocket

Generally,it is impossible to determine the 3 dimensions location of a moving body only by two TDRS's tracking distance data.In order to do this work,some accessory information must be given.In this paper,six kinds of condition are summarized and a series of locating algorithms are constructed,based on the theoretical trajectory of rocket .The influence of tracking error and the bias of the theoretical trajectory departure is discussed,also.At the end of this paper,some simulation is done.The simulation results show that these location algorithms given in this paper is efficient.