好，既然我们已经知道点的位置，它是一个关于时间的函数，我们就能了解，它在诸如速率或加速度的量中是如何变化的。
OK, so, now that we know the position of the point as a function of time, we can try to study how it varies in particular things like the speed and acceleration.
我来把更一般的形式，写出来吧，在一维空间中，位置和速度，作为时间函数的，一般形式，这里的加速度是一个常数。
I now would like to write down, in most general form the equation for the position and the velocity as a function of time for a one-dimensional motion whereby the acceleration is constant.
本文应用样条函数方法拟定了一个由加速度记录快速计算结构震动反应谱的方法。
This paper proposes a procedure to determine the response spectra by spline function analysis using acceleration record as input.
根据函数随机误差公式，给出了载体质心处线加速度和轴向角速度误差传递公式，有利于惯性系统传感器的选择及系统的组建。
Based on the random error formulas of function, the error transfer formulas of acceleration at the vehicle mass center and axial angular rate were provided which were helpful.
推导了地面简谐运动作用下的加速度和位移的频率响应函数。
The frequency response functions of relative displacement and absolute acceleration are derived under acting of harmonic ground excitation.
为了减少冲击，应尽量使用有加速度控制的位置指令函数。
Positional instruction provided with acceleration control should be advocated to reduce the machine impact.
目标函数是座椅的垂直加速度均方值，还给出一个动力约束条件。
The objective function is the mean square value for the vertical acceleration of driver's seat. A dynamic constraint is given.
本文提出了具有等加速度段的谐波函数供油凸轮的计算准则。
A calculation criterion of harmonic CAM with constant acceleration for fuel injection pumps is presented.
竖向反应谱及竖向与水平向加速度反应谱比是周期的函数、并与场地条件及震源距相关。
The results show that the V/H peak acceleration ratios are reduced as the distance of site to the fault is increased, and the vertical response spectra and …
在外界加速度作用下，直波导和环形波导的耦合系数是两波导间距的函数。
Under the external acceleration, the coupling coefficient is a function of gap spacing between the two waveguides.
提出以人体加速度、速度和动挠度为目标函数的主动控制策略，应用经典线性最优控制理论，分析其可行性和有效性。
An active control strategy based on classical linear optimal control theory is provided, feasibility and effectiveness of which are studied.
定义灵敏度系数，得到相位噪声对于跃迁几率的权重函数，求得相位噪声对于重力加速度测量的具体影响结果。
The sensitivity coefficient describing the relationship between the phase noise and the transition probability is defined. And then, the sensitivity of the interferometer is achieved.
利用加减速位移曲线函数的表达式保证位移、速度、加速度、加加速度曲线的连续性。
The continuity of acceleration deceleration displacement, speed, acceleration and jerk function is satisfied by the form of the acceleration deceleration displacement function.
给出了以自由界面的运载火箭模态参数和自由界面或固定界面有效载荷模态参数构成的耦合频响函数表达式。利用耦台频响函数可以进行不同有效载荷的界面加速度响应之间的转换。
The expressions of coupling FRFs which are formed by the modal parameters of launch vehicle with free interface and of payload with free interface or fixed interface are given.
给出了以自由界面的运载火箭模态参数和自由界面或固定界面有效载荷模态参数构成的耦合频响函数表达式。利用耦台频响函数可以进行不同有效载荷的界面加速度响应之间的转换。
The expressions of coupling FRFs which are formed by the modal parameters of launch vehicle with free interface and of payload with free interface or fixed interface are given.
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