带末端机动的导弹再入段拦截问题研究

Interceptive Research of Missile with the Mobility of the End Zone at It’s Re-Entry Phase

针对带末端具机动的导弹再入段特点,运用空气动力学理论探索导弹再入段拦截问题。首先通过分析,得到来袭导弹弹道轨迹。其次,根据来袭导弹的不同特点,分别设计了含滑动平均的比例导引律迭代算法和变比例导引律迭代算法,得到了在不同算法下的拦截仿真模型。使用Matlab进行模拟仿真研究,与传统比例算法下的拦截效果相比较,该算法不仅在末端不机动条件下,而且在末端带机动甚至复杂机动时,能够更精确地拦截目标,较好地满足了防御作战中的导弹拦截需求。

Focused on the mobile terminal with characteristics of the missile re-rentry, aerodynamics theory is applied in the field of missile interceptor problem. First, it got the ballistic trajectory of incoming missile though the analysis. Second, according to the different characteristics of it, respectively designed algorithms of the ratio of guidance with overlapping averages and variable ratio of guidance. Then the different simulation models were got under different algorithms. Matlab simulation results indicate that it is more accurate, not only in conditions of un-mobile terminal.but also mobile terminal even complicated mobile terminal, to intercept the target by using these two algorithms rather than the traditional algorithm. It will be more efficient for missile interceptor in warship defense.