建立了预警卫星系统对战术弹道导弹 ( TBM)弹道进行预警的一种数学模型 ,其中包括预警卫星系统信息库的信息模型 ;用预警卫星探测信息确定 TBM坐标的模型 ;确定 TBM发射时刻及发射点坐标的模型 ;确定关机点及对应的关机点弹道参数模型 ;计算预警弹道及落点的模型等。同时对信息库中信息模型的精度、计算发射点坐标及发射时刻模型的精度、计算关机点时刻及参数的精度进行了分析 ,得出了有一定理论意义和工程应用价值的结论 A mathematical model of pre-warning satellite system for early warning of TBM trajectory is established, including the information model of early warning satellite system information base, the model of TBM coordinates with early warning satellite detection information, the determination of TBM launch time and launch point Coordinate model; Determine the shutdown point and the corresponding shutdown point trajectory parameters model; Calculation of warning trajectory and landing point model. At the same time, the precision of the information model in the information base, the precision of calculating the launch point coordinate and launch time model, the time of calculating the shutdown point and the precision of the parameters are analyzed, and the conclusion that has certain theoretical significance and engineering application value is obtained.