The ballistic category of atmospheric vehicles includes missiles, launch ve- hicles, and entry capsules. Some missiles and launch vehicles incorporate fi ns as aerodynamic stabilizing and control surfaces. The spacecraft are also catego-

scaling behvior of the surface in ballistic deposition

关于弹道目标实时跟踪，有详细的模型和算法策略.-Real-time tracking of ballistic target, have a detailed strategy model and algorithm.