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
- 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。 - So the vector sum method can be widely used in practice.
因此该方法在工程实践中有望得到广泛的应用。 - At present, the whole back soil pressure of the retaining walls with equilibrator is regarded as the vector sum of upper 'and bottom' soil pressure after they are calculated seperately.
目前对衡重式挡土墙的土压力计算采用将上、下墙段分开计算，取矢量和作为墙背总土压力的方法。 - Only if the component vectors are on a straight line will the length of the vector for the sum be equal to the sum of the lengths of these components or to their difference.
只有当几个分矢量在一直线上，那么表示其和的矢量长度才会等于这些分量的长度和或它们的差。 - The theory of the imaginary part matrix of the complex matrix is put into two vector product sum by using the elementary transformation of the matrix of unchanging the matrix rank.
将复数矩阵的虚部矩阵应用矩阵的初等变换不改变其秩的理论，分解成两个向量乘积之和分解式。 - To solve this problem, a new method of direct gray-scale feature extraction based on the circular projection algorithm and the vector sum for testing the quality of the pressed character is presented.
提出了利用圆周投影和矢量和直接获取灰度压印字符的质量判别特征值，以标准压印字符为模板进行快速的标牌压印字符在线检测。 - 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。 - Locating a Center-point of the Circular Projection Based on a Gray-scale Image and Vector Sum
基于灰度图像和矢量的圆心定位 - The time and observation updates produced, respectively, the vector sum and intersection of two ellipsoids.
算法的时间更新和量测更新过程分别产生两个椭球的向量和与交。 - 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；