查询词典 vector density

Results Vector algebra and vector analysis are the production of quaternions and the result of seeking mathematical indication of physical phenomenon, it′s the historic certainty as well as the effect of some accidental elements.

结果现代向量系统是从四元数发展而来的，是寻找物理现象的数学表示的结果；通过对哈密顿四元数与格拉斯曼系统的对比分析指出其历史的必然性。

Vector algebra in 3D, vector- valued functions, gradient, divergence and curl, Taylor series, numerical methods and applications.

三维向量代数、向量值函数、梯度、散度和旋度、泰勒级数、数值方法和应用。

A vector bundle including zero vector must be linearly dependent.

所以，当m为偶数时，此线性方程组有非零解，向量组线性相关

This paper discusses kinematic analysis of plane linkages using matrix methods in combination with vector calculus and presents the methods for solving a set of vector equations using approach methods of linear revision.

本文应用矩阵和向量计算相结合的方法，讨论了平面连杆机构的运动分析，并且给出了应用线性修正方法求解联立向量方程组的方法。

A new dynamic vector Preisach model that takesaccount of the anisotropic characteristics of media and vector reversible component ispresented.

第五章对旋转磁滞问题和交变磁滞问题进行了研究，分析了一些典型的交变磁滞模型，提出了一个新的考虑媒质各向异性及矢量可逆行为的动态矢量Preisach模型。

The paper based on component technology and COM, study and design the vector graph component, realize the function of vector graph, such as the input and output of map, the display of map, mutual plot with mouse, etc.

本文以组件技术和组件对象模型(COM，Component Object Model)为基础，研究和设计GIS矢量图形组件，实现GIS系统的矢量图形功能，如地图的输入输出、地图的显示、鼠标交互绘图等。

The aim of the system is to ameliorate the shortcoming of the computer software used at present. The concepts of COM, WebGIS and vector format are introduced. The system is realized based on MMap, which is a vector map ActiveX component programmed from the bottom.

该系统采用组件化的开发思想，将网络地理信息系统和矢量化的概念引入矿井安全管理之中，在开发的矿井矢量图形控件——MMap(用程序语言从底层自主开发的ActiveX控件)的基础上加以实现。

In order to reduce the cost of matching, we used multiple scale technique. 4. We presented a novel method of searching for similar fragments of 3D curves. with this method, a hash vector is associated with each fixed-length fragments of 3D sherd. Each vector consists of low frequence component of Fourier-Like spectrum for the distance between profile curve and the centroid.

依据样条曲线的基本理论，研究了基于B样条的轮廓曲线的匹配方法，给出了由轮廓曲线不变量曲率和挠率构造的相似不变量的选取以及基于相似矩阵的匹配算法，并对该算法的时间复杂度作了估计，同时，将多尺度技术引入到物体轮廓的匹配问题中。

A vector was introduced to describe the system structure, the complex system was transferred into a network with different node levels. Put pheromone on nodes as strength of attraction to ants. Ants guided by this attraction search in all level to find the vector component.

把系统结构向量化，将复杂系统转化为分级网络，把信息素集中在网络的节点，作为节点对蚂蚁的吸引强度，指导蚂蚁在各级节点内搜索解向量的各级对应分量。

The simulation's results show the method based on the support vector machine and empirical mode decomposition is better than the persistent method or the simplex support vector machine.

仿真结果表明，基于经验模式分解的支持向量机方法比持续法和单纯的支持向量机法的预测效果更好。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。