1) non-spinning reentry warhead
非自旋再入弹头
2) reentry warhead
再入弹头
1.
The stochastic mathematical model about maneuverable reentry warhead attacking ground target was established.
建立了机动再入弹头攻击地面目标的随机数学模型,根据再入机动弹头攻击目标的要求,选择合理的代价函数和控制量的约束方程,利用随机最优控制理论,结合再入弹头的运动学与动力学方程,获得再入弹头的最优制导律。
2.
In order to hit the target accurately,with minimum velocity losses as its objective,an optimal guidance law in the plane for reentry warhead on angular velocity was deduced according to the theory of sub-parallel approach and optimal theory.
为了使再入弹头的速度损失最小,并能准确击中目标。
3.
The Stochastic mathematic model of maneuvering reentry warhead was proposed, and the rational slide switch surface was chosen based on the desire of attacking ground target.
建立了机动再入弹头随机数学模型,根据攻击目标的要求选择合理的滑模变结构开关面。
3) spinning warhead
自旋弹头
1.
At last,simulation about the three-axis warhead and spinning warhead was conducted and the results validate the feasibility of mass moment control.
5/Simulink环境下,设计开发了六自由度导弹仿真系统,并且针对三轴稳定弹头和自旋弹头进行数值仿真,仿真结果验证了质量矩控制的有效性。
2.
The varying centroid control system was studied,by which a spinning warhead realizing the terminal maneuvering.
对自旋弹头实现末端机动的变质心控制系统进行了研究。
3.
In order to express clearly and directly the relationship between controlled variables and attitude motion of a spinning warhead,the Newton dynamics method is applied to construct its attitude motion model.
为了明确直观地表现自旋弹头姿态运动与控制量之间的关系,采用牛顿力学方法建立了自旋弹头的姿态运动模型。
4) reentry maneuvering warhead
再入机动弹头
1.
Variable structure guidance law of reentry maneuvering warhead with terminal angular constraint
带落角约束的再入机动弹头的变结构导引律
2.
Because perpendicular impact on the target was required for reentry maneuvering warhead,the integrated guidance law with terminal angular constraint,which comprised diving-plane guidance equation and turning-plane guidance equation,was derived.
针对再入机动弹头垂直打击目标的要求,研究了具有末端落角约束的复合导引律。
5) Spinning reentry vehicle
自旋再入飞行器
6) reentrant spin-glass
再入自旋玻璃
补充资料:自旋-自旋弛豫
自旋-自旋弛豫
磁共振成像术语。又称T2弛豫或横向弛豫(transverse relaxation),指垂直于外磁场B0方向的磁化矢量的指数性衰减过程。磁共振成像时,对置于外磁场B0中的自旋系统施加90°射频脉冲,则自旋系统被激励,其净磁化矢量指向与外磁场B0垂直;射频脉冲终止后,被激励的质子与邻近的原子核之间发生相互作用,逐渐失去相位,净磁化矢量指向恢复与外磁场平行,该过程称自旋-自旋弛豫。自旋-自旋弛豫过程无能量交换。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条