So, we want to decompose the position vector into a sum of simpler vectors.
故我们是把位置向量，分解为简单向量的和。
We have the cross-product of the position vector to this point times the force.
我们用这个点的，位置向量，乘以这个力。
So, the velocity vector is the derivative of a position vector with respect to time.
速度向量，是位置向量关于时间的导数。
So, it's the second derivative of a position vector.
它是位置向量的二阶导。
So, the position of this point, p, is going to be the same as OP knowing the vector OP from the origin to this moving point.
点p的位置就是，从原点指向这个运动点的向量。
Well, it might be good to think of, maybe, the position vector, and maybe its variation.
这还是比较容易想到的，假如这是位置矢量，这是它的变化量。
And this, now, is the position vector of the center of mass.
现在，这里是，物体的矢量中心。
r So, if we wait a certain amount of time, we'll have a vector, delta r, which is the change in position vector a various interval of time.
那么如果过一段时间，这就有一个向量△,它是位矢经过一段时间的改变量。
Using correlation calculation to further subdivide gray project data, precision of image motion characteristic position information was improved, and sub pixel image motion vector could be gotten.
而通过采用相关计算进一步细分灰度投影数据，可以提高图像运动特征位置信息的精度，获得亚像元级的图像运动矢量。
Based on the vector bender principle of the numerical pipe-bending machine, use PLC and position module to finish the design of bender's control system.
基于数控弯管机的矢量弯管原理，利用P LC和定位模块控制单元相结合的方法来实现弯管机控制系统的设计。
Magnetic field vector is a function of the position where the satellite stays. Thus autonomous navigation for small satellite can be achieved by measuring the magnetic field vector.
地磁场矢量是卫星所在位置的函数，通过对地磁场的测量，即可实现对近地小卫星的自主导航。
This kind of method describes the position and attitude of objects by utilizing Cartesian coordinates of reference base points and Cartesian components of reference base vector.
这种方法是利用参考基点的笛卡尔坐标和参考基矢量的笛卡尔分量描述物体的位置与姿态。
Objective to investigate the application of position vector in balance evaluation of stroke patients with hemiplegia.
目的探讨位置矢量分析在偏瘫患者平衡功能评定中的应用。
The singular position of similar platform 3upu reached by algebraical method is identical to the position of general 3upu analysized by vector method.
通过代数法得到的相似平台3upu并联机构奇异位置，与用矢量法对一般3upu并联机构所作的分析一致。
The servo control system combines position loop, speed loop, current loop with algorithm of space vector pulse width modulation(SVPWM).
系统采用位置、速度和电流环三环控制，并结合空间矢量脉宽调制（SVPWM）算法。
The effects of the joint clearance variables to the position repeatability of the robot end effector are analyzed using a two-dimensional vector method to define the joint clearance variables.
对关节间隙变量采用二维矢量表示法，分析了机器人关节间隙对机器人末端位置重复精度的影响。
With the aid of vector method, constraint equation, kinetic energy consideration, the inverse position model, Jacobian matrix and mass matrix have been developed.
本文取得如下成果：借助矢量法、约束方程和动能定理分别构造出机械手的位置逆解模型、速度雅克比矩阵、质量惯性矩阵。
Angular momentum: the vector product of the position vector (from a reference point) and the linear momentum of a particle.
角动量：(有参照点)的矢量和粒子线性动量的向量积。
The collection position vector of the actuator end of the manipulator was solving with Monte Carlo method.
采用蒙特卡罗方法求解机械手末端执行器的位置向量集合；
In this paper, the formulas of working angles of the cutting tool for tool nose locating position changes are derived from vector method.
本文用矢量代数法推导出刀具刀尖安装得较高或较低时工作角度的计算公式。
Finally, in order to fix on the position of nonzero lattice vector effectively, that is, to deal with zero lattice vectors effectively, the concept of significant map is introduced into.
最后为了有效确定非零格点的位置，也就是为了有效地处理零格点，又引进了重要图的概念。
Position vector of a PSO is wight vector of trained FNN, and fitness function of the PSO is object function of trained FNN, the FNN is then trained by evolving the PSO.
PSO的位置向量对应模糊神经网络的权值向量，而PSO的适应函数对应模糊神经网络的目标函数，然后，通过演化PSO达到训练模糊神经网络的目的。
Provision may be made for the clock patterns to be selected taking into consideration the instantaneous rotary angle position of the phase vector.
也可以规定在考虑相矢 量的瞬时的旋转角度位置下选择该节拍模式。
This paper gives out a kind of vector regression formulas used for solving the problems of position analysis in spatial mechanism.
本文给出一种失量回归公式，用来解决空间机构位置分析问题。
The method employed high-frequency voltage-signal injection to make motor form a high-frequency current-vector, of which the negative component current contained rotor space-position information.
该方法采用高频电压载波注入方式形成高频电流矢量，其负序分量包含了转子空间位置信息。
The method employed high-frequency voltage-signal injection to make motor form a high-frequency current-vector, of which the negative component current contained rotor space-position information.
该方法采用高频电压载波注入方式形成高频电流矢量，其负序分量包含了转子空间位置信息。
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