垂直平面 meaning in Chinese
perpendicular
Examples
- The results show that the acting planes of the bending moments which cause such a stress field that the maximum stress appears in the crack damage area of the case have an angle range of 0 ? to 20 ? against the longitudinal symmetric plane of the car
研究结果表明，最大应力出现在离合器壳体裂纹萌发区域的弯矩载荷，其作用平面相对于汽车纵向垂直平面朝左倾斜约为0 ?至20 ? 。 - Design the optimal climb trajectory of the attack uav in the vertical plane using nonlinear programming . the calculation result states that the final altitude predetermined can be climbed fast and there are beter the profit in performance according to the climbing trajectory optimized
应用非线性规划方法对无人机在垂直平面内的最优上升轨迹进行优化设计，经优化后的爬升轨迹可以快速爬升到预定的终点高度，具有较好的性能效益。 - Second , by computing the trajectory of the missile and the method of analyzing cep , influences that the fighter ' s height , speed , pitch angle , the deflection angle between fighter and target , and the target moving characters make on the times of fighter attack and missile launch are deeply developed . third , by relating the motion of the missile and the fighter , the influences that fighter ' s dive angle and the deflection angle between fighter and target make on the attack field of the fighter are discussed in this paper when the fighter perform vertical and horizontal attack . criterion of attack effect is proposed focusing on attack time of the fighter , trajectory of the missile and destruction probability to the target
本文主要完成了以下几个方面的工作：对导弹可发射区和飞机可攻击区进行建模，通过对导弹弹道的仿真计算，并运用典型的圆概率偏差精度分析方法，详细讨论了飞机实施攻击时，飞机的飞行高度h 、速度v 、俯仰角、与目标的偏离角_ x及目标运动特性等对飞机攻击时机和导弹发射时机的影响；因此，将飞机和导弹结合起来，详细研究了飞机在垂直平面和水平平面内实施攻击时，飞机俯冲角和与目标的偏离角_ x对飞机的攻击范围的影响；以飞机实施攻击的时间t 、弹道特性和对目标的杀伤概率p来评判对地攻击的效果；最后给出典型算例，通过对空地攻击过程的仿真实现，对飞机飞行过载提出要求。 - It is analyzed that the values of external excitation , the internal damping of the shaft and the depth of the crack have effects on the amplitude frequency response curves . in chapter 5 , the bifurcation and chao s of a rotor system are studied . the bifurcation parameter sets of the motion equation are determined by using the theoretical method
从理论上确定了在垂直平面内振动的裂纹转子运动方程的分叉参数集，且用数值方法验证了理论分析的正确性，同时，还利用melnikov函数法给出了系统发生混沌运动的临界条件，最后，利用数值方法研究了考虑涡动影响的转子系统的动力特性。