vector sum
英 [ˈvektə(r) sʌm]
美 [ˈvektər sʌm]
矢量和
英英释义
noun
- a vector that is the sum of two or more other vectors
双语例句
- A Matrix Expression of the Vector Sum of Internal Forces in a Particle System Equals to Zero
合内力为零的矩阵表示 - The dominant orientation of a joint group is the corresponding occurrence of the vector sum if some of the upward unit normal vectors are reversed. comparing NW component with vector sum of SN and WE in NW orientation, the errors are small.
对某组节理面向上的单位法向量进行部分反向后，其矢量之和对应的产状即为该组节理面的优势方位。NS向、EW向与NW向的比测误差基本正常； - All of them have the characteristics of good unbias ( s) edness, powerful unimodality and high sensitivity, etc., and can be applied to evaluation of defocusing and motion blurring. The vector norm sum of gray gradient is the best among them.
它们都有无偏性好、单峰性强、灵敏度高等特点，可用于离焦模糊和运动模糊情况的评价，且灰度梯度向量模方和最理想。 - The vector sum of the angular momentums of each component particle of an extended body.
动量矩伸展体的每个组成微粒的角动量的矢量值。 - Photonic RF phase shifters based on OTTD ( optical true time delay), heterodyne mixing technique and vector sum technique were introduced. The principles and features were proposed and analyzed.
介绍了基于光实时延迟线、基于外差混频技术和基于矢量和技术的光子射频移相器，对其工作原理和技术特点作了分析。 - This paper firstly proposed some clarity-evaluation-functions of out-of-focus blurred image, they are the sum of square of gray-level gradient vector module, the sum of Roberts-gradients, and the sum of Laplacian operator.
本文首次提出了用图像灰度梯度向量模方和、Roberts梯度和与拉普拉斯（8邻域微分）算子和作为由于离焦产生的模糊图像的评价函数。 - In so far as linear motion is concerned, a body is in equilibrium if the vector sum of the forces acting upon it is zero.
就线性运动而论，如果作用于严格物体上的诸力的矢量之和是零，那么这个物体就处于平衡状态。 - But if you wanted to create a vector to sum each row, you might be inclined to try the following
但是，如果希望创建一个向量来求每行的总和，您可能会编写下面这样的代码 - Moreover total virtual alternation force of the entities is the vector sum between all intersected cubes on two kinds of FV and EE basic contact modes.
而其实体的总的虚拟交互力是在FV和EE两种基本接触模式下所分割的所有立方体间的矢量和。 - Multi-factors Risk Analysis for Investment Project& Weighted Vector Sum
投资项目多因素风险分析与加权矢量和