矢量计算

Probability: Studies on the emerged accident probability of major hazard carrying the Markow process; Severity: By applying the grey system theory , on the base of the same kinds of accident-economy cost, establishes self-adapting GM (1,1) forecasting model and the model with the residual error being amended in a bid to calculate accident-economy cost; Safety management: Establishes the dynamic comprehensive analytical method on major hazard and safety management of the major hazard by applying the grey system theory and fuzzy math theory.

其次，针对重大危险源原有的二维评价方法所存在的局限性，建立了以可能性、严重性、安全管理水平为三维矢量的评价方法，并对这三个矢量进行了定量计算：可能性：运用马尔可夫过程计算了重大危险源发生事故的概率；严重性：运用灰色系统理论，根据已有的同类事故经济损失的统计资料，建立自适应性GM(1，1)模型及残差修正的模型，预测重大危险源发生事故的经济损失；安全管理水平：运用模糊数学理论和灰色系统理论，建立了重大危险源安全管理水平动态综合分析法。

The paper discusses the theory of speed controlling after interpolating and how do the factor that mostly include cutting speed,time constant of speed controlling and vector angle of conterminous CNC segment affects arriving precision.

文章论述了后加减速的原理及进给速度、加减速时间常数、上下程序段之间的矢量夹角对轮廓误差的影响，给出了数据采样插补应用后加减速时依据矢量夹角控制轮廓误差的一种方法，并对矢量夹角的计算给出了详细解析。

The norm and the angle made with the center line by the vector of the codeword are computed for each codeword off-line firstly, then the codewords are ordered according to the ascending order of their norm.

文章提出了一种改进的等范数最近邻码本矢量搜索算法，该算法预先离线计算好各码本矢量的2-范数和它与中心线的矢量夹角，再根据各码本矢量的2-范数进行升序排列。

Using the powerful calculation capability of MATLAB for matrix,and adopting vector ring and vector chain equation,the paper calculates and imitates the characteristic of kinematics and kinetics about equivalent force model of plane machinery.

利用MATLAB软件对矩阵强大的计算能力，采用矢量环与矢量链方程对平面机构的等效力学模型的运动学特性和动力学特性进行计算仿真，主要针对机构的速度波动特性进行了仿真和分析。

Simulation results for both artificial and real data show the generalization performance of our method is a good approximation of SVMs and the computation complexity is largely reduced by our method.

文中最后对人工和实际样本进行了实验，结果说明了线性规划支撑矢量机在推广能力上较好地逼近了原支撑矢量机，而在计算复杂度上明显低于原支撑矢量机。

Based on the maximum margin criterion, a new algorithm of orthogonal optimal discriminant vectors and a new algorithm of statistically uncorrelated optimal discriminant vectors for feature extraction were proposed.

基于最大间距准则(Maximum Margin Criterion， MMC)下，提出一组具有标准正交性的最佳鉴别矢量的计算方法和一组具有统计不相关性的最佳鉴别矢量的计算方法。

Based on the analysis of the affected extent of the neutral-point potential by every space vector on all kinds of voltage and current conditions the concept named neutral point control grade was proposed for the first time in this paper. The calculation formulas of NPCG were presented as well. Based on NPCG, a novel modulation scheme called optimized 3D space vector modulation (O3DSVM) scheme was proposed in a-b-0 coordinates based on the translation principle of axes, by which the space vectors with higher NPCG values are selected to synthesize the object vector to suppress the unbalance of the neutral-point potential.

该文通过对各种电流电压状态下每个三维空间矢量对直流中点电位的影响进行分析，提出了"中点控制度"(neutral-point control grades，NPCG)的概念，并给出了NPCG的计算公式；基于NPCG，在a-b-0坐标系下提出一种基于坐标平移原理的新型"三维矢量优化选择调制策略"(optimized 3D space vector modulation，O3DSVM)，该调制策略能优化选择NPCG值较高的矢量以合成目标矢量，从而达到最大程度控制直流中点电位偏移的目的。

Reducing the complexity of vector quantization is still a main problem. This paper presents a new algorithm of minimum distortion predicting vector quantization based on intraband and interband correlation. Here the whole distortion of the vector is predicted by the part distortion of the lower frequency coefficient components of vector, resulting in a reduction of 76 percent of complexity.

降低矢量量化器的复杂度一直是人们研究的一个主要问题，本文提出一种新的基于带间相关性的最小失真预测矢量量化算法，通过矢量中前面部分低频系数分量失真的计算去预测整个矢量的失真，编码复杂度降低了76％，而解码图像信噪比下降不到1dB。

So far, most research about vectored nozzles is numerical simulations of internal flow field and manuverbility. However, research about their infrared properties, especially systematically research about spectral properties is very sparce.

目前国际上对矢量喷管内流场的数值计算，矢量喷管的机动性能的研究比较多，然而对矢量喷管红外辐射特性的研究非常少，特别是系统地研究矢量喷管壁面和出口平面的光谱辐射特性方面的工作特别少。

The motion vector in outgoing video stream is obtained by adding up base motion vector to delta motion vector. Base motion vector is extracted from input video stream. The search area of delta motion vector is very smaller than previous full-scale full-search area. Therefore, the computational complexity can be reduced and the estimation can be speeded up.

在该模式中，最佳运动矢量由基运动矢量和增量运动矢量相加得到，其中基运动矢量可直接从输入视频流中获得，而增量运动矢量的搜索域比先前全搜索域小得多，从而减小了运动估值搜索域，降低了计算复杂性。

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。