unit vector
英 [ˈjuːnɪt ˈvektə(r)]
美 [ˈjuːnɪt ˈvektər]
n. 单位矢量
双语例句
- For drill point with planar flanks, using toolroom microscope, we measure the angles relevant to unit vector on the flanks and transform these data into design parameters.
我们利用工具显微镜，对平面型后刀面枪钻测量有关的角度，确定后刀面法矢方向，并将数据转换为设计参数。 - It's the unit vector in the vertical direction.
即竖直方向的单位向量。 - Suppose A itself is the unit vector in the y direction B Then A dot B is what?
假设A是y方向上的，单位矢量，则是z方向上的单位矢量。，and，B，is，the，unit，vector，in，the，z，direction。，那A点B是多少呢？ - So, let me divide this by rho to get a unit vector.
除以ρ之后，就能得到单位向量。 - A unit vector normal to the plane of T and N, which is the plane of curvature.
垂直于T和N所构成的平面的单位向量，该平面为曲率所在的面。 - How to choose appropriate unit vector to establish new inequalities.
如何选择合适的单位向量来创建新的不等式。 - But if I want a unit vector, then I should scale this down to length one.
如果要得到单位向量，需要除以它的模长。 - So, if you want a unit vector that goes in the same direction, 1 all you have to do is rescale it, so, at its length becomes one.
如果你希望一单位矢量沿同一方向，你只需要缩放速度，让它的模为。 - And so that means that any vector u, any unit vector tangent to the level set of g is going to be perpendicular to the gradient of f.
也就是说，任何向量u，任何与g的水平集相切的单位向量，应该要与f的梯度垂直。 - "Roof" always means unit vector.
^总表示单位矢量。 - It is not a unit vector.
它不是单位向量。 - Now, another useful notion is the unit vector to the trajectory.
还有一个有用的概念就是轨道的单位矢量。 - OK, so if I give you a unit vector, you can ask yourself, if I move in the direction, how quickly will my function change?
也就是，如果我给你一个单位向量，试问，我沿着这个方向移动，我的函数值会变化得多快呢？ - I take my point on the surface and build a unit vector that is standing on it perpendicularly.
在曲面上固定一点，找出此点垂直的单位向量。 - A unit vector in the direction of the projection of normal to T.
沿着方向上的单位向量，与T垂直。 - It has a hat because it's a unit vector, and T because it's tangent.
这上面有一个帽子表示它是单位矢量，T表示它是切线。 - And this is the unit vector in the y direction and this is the unit vector in the z direction.
这则是y轴，方向的单位矢量，这是z轴，方向的单位矢量。 - You'll see why very soon, in such a way that the derivative is this given unit vector u hat.
你很快就会明白为什么，导数dr/ds等于给定的单位u向量。 - So, I'm going to draw it in red. OK, so that's a unit vector that goes along the curve, and then the actual velocity is going to be proportional to that.
现在画成红色，这就是，沿曲线的单位速度向量，实际中的速度向量与它成比例的。 - So, that means this actually should be the unit vector.
这意味着这一项就是单位向量。 - Now, how do we get this unit vector?
那我们怎么得到这单位矢量呢？ - Ax which is the unit vector in the x direction, y plus Ay y roof Z plus Az Z roof.
，乘以向量x，Ax，times，x，roof，也就是x方向的单位矢量，加上Ay乘以向量，加上Az乘以向量。 - The method of rotation vector and software of MATLAB were used to analyze the displacement of the spatial 7R mechanism and confirm every pole and connection direction unit vector.
利用向量回转法和MATLAB软件对空间7R机构位置问题进行了分析研究，确定了各杆长和副长方向的单位向量，列出了机构的向量封闭方程，以及各杆位置方程； - This article presents the unit vector method for the full shaking force balancing of multi-loop spatial linkages.
本文提出了多环空间连杆机构摆动力完全平衡的单位向量法。 - The mathematical model of steam vane is established with 2 × 3 degree nurbs method to improve the quality and efficiency of vane machining. The expression of three-dimensional point and unit vector matrix are put forward and the numeric show of vane is realized.
为了提高汽轮机叶片数控加工的质量和效率，用2×3次非均匀有理B样条方法，建立了叶片的数学模型，推导了其三维点和法矢量矩阵表达式，实现了叶片的数字化表示。 - Under the precondition of the optimization of performance criterion, the computation of the switch function was accomplished; and the unit vector method was adopted to realize a completely new design method for gun control system.
在性能指标优化的前提下完成切换函数的计算，并采用单位向量法，实现了全新的炮控系统设计。 - The application of the complex pole unit vector rotation method in the force analysis of a planar linkage
复极单位矢量旋转法在平面机构力分析中的应用 - H is a unit vector of R~ m.
这里H是Rm中单位向量。 - The stiffness can be considered as the weighted square root of six dimensions unit vector of deformation in the six-axis of hyperellipsoid.
并将其看作六维变形单位向量在六根超椭球轴上投影的加权平方和的根。 - Applying GA as evolution algorithm, the novel approach builds an one-one correspondence between an arbitrary n-dimension vector and its unit vector and modulus so as to construct a real-code whose redundancy is zero.
该方法采用遗传算法作为进化机制，建立了n维向量与其单位向量和模的一一对应关系，构造了一种冗余度为0的编码。