矢量计算

The results are displayed vividly in virtual scene which is established with program language of Visual C++ and OpenGL. At present flow field simulation manner mostly has time delay, deficient controllability, so this paper brings forward the methods of drawing flow velocity vector graphics with OpenGL in the 3D virtual scene to simulate and analyze flow field. At the same time cross section and flood analysis are completed. Accordingly, it assists flood flow field visualization and provides the more effective analysis method for the flood mathematics model research and application.

针对目前流场模拟方式大多存在模拟时间滞后、缺乏可控性等问题，本文提出基于水力学模型计算得到的流速数据，在三维虚拟场景中利用OpenGL绘制洪水流速矢量图的方法进行流场动态模拟分析，在流速变化较大区域和需要重点观测区域，提取断面，分析断面和洪水淹没情况，从而解决洪水流场数值可视化的问题，为洪水数学模型的研究与应用提供更加直观有效的分析手段。

In order to analyze the asymmetrical causation of precipitation distribution, NCEP reanalysis data are used to calculate water vapor flux vector of the vertical integration.

为了分析产生降水非对称的原因，又利用NCEP(the National Centers for Environmental Prediction)再分析资料计算了垂直积分的水汽通量矢量。

In order to implement the algorithm, a linearization method is applied in an extremely short sampling cycle to calculate the increments of torque and flux magnitude, to derive the linear equation between the desired stator flux linkage vector increment angle and the increments of torque and flux magnitude, to derive the stator voltage vector reference and to determine the next position of the stator flux linkage vector.

算法的实现运用了线性化的方法，在一个极小的采样周期内，计算出转矩增量和磁通增量，以此推导出所需的定子磁链增量角与转矩增量及磁通增量两者之间的线性方程，进一步导出所需的定子电压矢量，并确定新的定子磁链位置。

After analyzing the current researches on speaker recognition and Ant Colony Optimization algorithm, in this thesis, introducing the ACO to the parameter training process of Gaussian mixture model for building speaker recognition system was proposed.

本论文在分析了说话人识别以及蚁群算法国内外研究现状的基础上，将蚁群算法引入到混合高斯模型的参数训练中，采用TopN方法对特征矢量作识别计算，并以此为基础实现了一个说话人识别系统。

More specifically, the invention relates to an antenna (1) comprising: first (2) and second (3) linear sub-antennas which are equipped with sensors (21-2M, 31-3N) forming first and second line segments and generating a basic signal, the angle between the respective directional vectors of the first and second tangents to the midpoint respectively of the first and second line segments being between 30 DEG and 150 DEG ; an antenna processing device (4, 5) forming combined signals; a signal-processing device (6, 7) generating combined useful signals; a device (8) for calculating the correlation coefficients (Cij between the combined useful signals; and a device (8) for generating a detection signal (Rij when a correlation coefficient exceeds a threshold.

更具体地，本发明涉及一种天线(1)，包括：带有形成第一和第二线段并产生基本信号的传感器(21-2M，31-3N)的第一(2)和第二(3)线性子天线，第一和第二线段各自中点的第一和第二切线的对应方向矢量之间的夹角在30°和150°之间；形成组合信号的天线处理装置(4，5)；产生有用组合信号的信号处理装置(6，7)；计算有用组合信号之间的相关系数(Cij的装置(8)；以及当某相关系数超过阈值时产生检测信号(Rij的装置(8)。

But thevectorial graphical method may be used with advant...

本文对于矢量图解计算的具体程序列举了算例；对于本文给出的一般性解答的应用，也列举了算例。

First, based upon the fields in the single cavities, open and short modes are constructed, whose coupling holes on disks are shorted magnetically and electrically respectively. Second, the whole field in the chain is expanded with the short and open modes. With the Galerkin method and the second vector Green theorem, it is possible to describe the physics problem by a simple general eigenvalue matrix equation. Here, the dispersion curves in periodical structures are available.

它首先利用有限元等方法计算各加速单腔中的电磁场，根据一定规则构造成所需的开模和闭模，然后把整个长腔链加速结构中的场用这些开模和闭模展开，再利用伽略金方法和第二矢量格林定理进行数学变换，考虑各模式在加速腔壁和腔间耦合孔处的边界条件后，就能把加速结构中电磁场用数学上的广义本征值矩阵问题描述，从而能够得到所求的色散曲线和电磁场形态。

The properties of Delaunay triangulation guarantee the following things:Once the fingerprint is given, that is a group of 2-D points are given, the Delaunay triangles are exclusive.

这在我们的应用中也是非常重要的，因为对指纹图像所进行的几何变换量的计算，是基于特征点矢量三角形的，狭长三角形会导致不稳定性甚至产生错误结果。

Firstly, sample data stream by two neighbor windows of given length. Then the sampling data is projected to normalized high dimension feature space and the two minus hypersphere models of two window sampling data sets are constructed respectively. Finally, detect change by computing cosine of inclination angle of two centrals of hypersphere.

该算法首先以给定长度的两相邻时间窗口对数据流取样，然后以支持向量数据描述方法将这两相邻时间窗口取样的数据流子集映射到规范化的高维特征空间，并分别建立描述这两相邻时间窗口取样数据流子集映像的最小超球模型，最后通过计算两超球之间的球心矢量的夹角的余弦，度量该两相邻时间窗口取样数据流子集的相似性检测模式变化。

With the method of vector analysis and coordinate transform,the direct solar radiation angle factor、the earth infra-red radiation angle factor and the reflected solar angle factor by earth are calculated.

在计算中利用矢量分析和坐标变换的方法求解出了太阳直接辐射、地球红外辐射和地球反照的辐射角系数，再根据传热学理论建立了瞬态热平衡方程。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。