velocity of displacement

The roughness length of vegetation cover surface depends on the type, height, coverage of the vegetation, zero-plane displacement height, free velocity, friction velocity and the atmospheric stratification stability.

植被覆盖面空气动力学粗糙度长度取决于植被类型、植被高度、覆盖度、零平面位移高度、自由风速、摩擦速度以及大气层结稳定度。

The berthing velocity, angle and maxi-mal displacement of wharf are monitored.

测试了船舶靠泊时的靠泊速度和角度以及码头的最大位移.

The calculation of these velocity and displacement curves from the accelerogram is not a trivial matter.

要从加速度记录计算速度和位移曲线也不是一件轻而易举的事.

We apply advanced vibration testing system to do field test of the tunnel structures by testing Shanghai railway track and get the time-history response rule of track vibration acceleration, tunnel structure acceleration and velocity, displacement.

以上海轨道交通线路为测试对象，采用先进的振动测试系统对隧道结构的动力响应进行现场测试，获得轨道振动加速度、隧道结构加速度和速度、位移的时程响应规律。

According to the analysis, the displacement and velocity of the building structure can be chosen as the output feedback variables for the controller.

通过分析，大楼结构的位置和速度可选为控制器的输出反馈变量。

A mathematical model is established. Expressions of three pulse control schemes based on the criteria of displacement control, velocity control and acceleration control are given. A corresponding algorithm is designed.

建立和推导了有关数学模型，讨论并给出了基于位移控制、速度控制和加速度控制时，脉冲控制力的表达形式，设计了相应的控制算法。

A recurrence formula for calculating the displacement and the velocity is derived by combining the theorem of impulse with the method of discretized similarity.

通过结合离散相似法和冲量定理，推演出一个计算位移和速度的递推公式。