position vector
英 [pəˈzɪʃn ˈvektə(r)]
美 [pəˈzɪʃn ˈvektər]
网络 位置矢量; 位矢; 位置向量; 位臵矢量; 位置矢量法
双语例句
- 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 I can rewrite this in vector form as the gradient dot product the amount by which the position vector has changed.
可以把这些用向量形式重新写下来，就是梯度向量和位置改变量的点积。 - 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。 - And, that's also the position vector r of t.
同时它也是位置向量r关于t的函数。 - And therefore, when I solve the equations, vA I get both vP and vA because those are the situations that the velocity vector is perpendicular to the position vector.
因此，当我解方程时，分别得到vP和，因为速度向量，垂直于方向向量。 - But now we have a third term, namely this position vector, and this force, and so now we're going to-get this distance which is d cosine alpha times this force.
第三个量，也就是位置向量，这个力，现在我们要，这个距离-，等于dcosα，乘以这个力。 - R One is the position vector, r.
一边是位矢。 - And let's say that the position vector, R which should be aiming for the origin, R is here.
而且方向向量，指向原点，这是。 - 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。 - So, if you just look at the position vector, and the velocity vector for any motion at any given time, then together, they determine some plane.
如果你看一下任何时刻运动时的，位置矢量和速度矢量，它们决定了某个平面。 - M If this object has a mass little m, mg there is a force mg, r and here is the position vector r of P, and so it's clear that there is a torque relative to point P.
若物体质量，存在重力，这是P的位置向量，很明显，到点P有个力矩。 - So, it's the second derivative of a position vector.
它是位置向量的二阶导。 - Because if I have this force here and this position vector, Mg then I have Mg.
因为若这里有力，这是位置向量，那就是。 - And, the way we can get it, so, it's called usually V, so, V here stands for velocity more than for vector. And, you just get it by taking the derivative of a position vector with respect to time.
根据它的原理，我们通常用v表示，这里的V更代表速率而不是矢量，你能通过，对一个关于时间的位置向量求导得到它。 - 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。 - And, we look at how the position vector changes.
来看看位置矢量的改变。 - The Strategy to Evaluate Position Vector in Particle Swarm Optimization
粒子群优化算法中的位置矢量的评价策略 - Or, maybe I should insteadthink of it in terms of a position vector if it helps you.
也许我应该用位置矢量来考虑，如果你们觉得有帮助的话。 - Well, I claim that the position vector is in the plane.
我断言，这个位置矢量在平面上。 - You could say the position vector at another time, or at any time, but in fact, what's also true is that the velocity vector is in the plane.
你可以说，位置矢量在另一个时间或在任何时间，无论如何，位置矢量始终在这个平面上。 - This is the position vector, b which has magnitude b.
，这是方位向量，大小为。 - So you see the little m going in orbit; rq you see the position vector r of q.
所以可逆看到m在轨道中移动；，看到方位向量。 - 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。 - OK, so, in fact, what Kepler's second law says is that the acceleration is parallel to the position vector.
所以，开普勒第二定律说，加速度平行于位置矢量。 - 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。 - The classification of the singularities of Stewart platform is first described, and the kinematics Jacobian matrix is then deduced with the position vector.
阐述了Stewart型平台奇异性的分类，利用位置向量关系推导了其Jacobian矩阵。 - This paper analyzes demands and characteristics of robot's trajectory planning, Depending on position vector and attitude transformation metrix of robot's end effector, it gets a kind of new trajectory planning method.
本文分析了机器人轨迹规划的要求和特点，根据机器人末端执行器的位置矢量和姿态变换矩阵，推出一种轨迹规划的新方法。 - By establishing an orthogonal curvilinear coordinates system ( exponent coordinates system) this article describes the angular position vector of the particle position and the angular displacement vector of particle motion, and builds up the equation of angular displacement vectors of a pyramid.
通过建立一种正交曲线坐标系，即指数坐标系，定义了描述质点位置的角位置矢量和描述质点运动的角位移矢量，并得出了棱面角之间存在的数学关系。 - First of all, it extracts the edge points of template image using Canny operator, then using the Sobel operator filters images. The results are the template image position vector and the gradient vector of edges, that is the template shape model.
首先采用Canny算子提取模板图像边缘，随后使用Sobel算子对图像进行滤波，最终生成模板图像的边缘点位置向量和梯度向量，即模板形状模型。