对目标弹道受力进行分析，考虑J2摄动的影响，并包含短周期项，弹道预报方法使用数值积分法(The force of the target trajectory is analyzed, considering the influence of the J2 perturbation, and contains the short term term, the trajectory prediction method using numer

使用数值积分法进行弹道预报，弹道建模时考虑进J2摄动项的影响，并包含短周期项(The numerical integration method is used to predict the trajectory, and the influence of the J2 perturbation term is considered when the trajectory is modeled, and the short term te