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Local bifurcation in power systems:theory,computation,and application.

本文课题获国家自然科学基金和上海市青年启明星计划的资助。

In this work, we mainly study the numerical analysis of bifurcation theory, especiallythe numerical computation of Takens-Bogdanov point in delay differential equations.

本文中，我们主要考虑分支理论的数值方法，具体而言，时滞微分方程中Takens-Bogdanov点的数值计算方法。

Secondly, we discuss the boundary value problem of two dimensional biharmonic equation in a rectangular field and its variational problem,discretize it by using dual tensor product of and the direct product and lining up of matrices, we get some special matrices which are the presupposition in exploring the fast computation, then solve the system of linear equations.

其次本文讨论了矩形域上二维双调和方程边值问题及其相应的变分问题，利用二元张量积小波分析和矩阵的直积、拉直技巧将变分问题离散化，从而使求解偏微分方程问题变为求解线性方程组的问题。一维情况两组基的张量积下得到的系数矩阵分别为块状七对角阵和稀疏矩阵。这些特殊结构为以后快速算法的研究打下一个基础。

The course of logic operations of carry lookahead adder for binary number is introduced into optical computation. The carry lookahead by optical parallel processing is proposed.

将二进制数的先行进位全加器的逻辑操作引入到光计算中，提出了用光学并行处理方法实现先行进位全加器逻辑操作的建议。

In the elliptic curve binary field,it needs less computation amount for that the Montgomery algorithm only computes the x coordinate in the whole course and gets the y coordinate in the last step.

在椭圆曲线二进制域上，Montgomery算法利用在计算kP过程中只需计算x坐标，在最后才恢复y坐标的特性，使该算法的计算量更少。

It was given by the Biot-Savart law that the magnetic fields of single magnetic dipole. For the case of multi-dipole, it can be gotten by vector computation from single dipole.

以一种比较方便的离散的形式描述比奥-沙伐定理（Biot-Savart law），给出磁偶极子周围任意一点的磁感应强度公式，并将其扩展到多个磁偶极子的形式。

In order to resolve the conflict between excessive data storage, time expensive computation and real-time image processing, a method is proposed based on distance transfer with chamfer to extract the position and scale features of each objects, then a five points square predictor is used to estimate the position of objects next time and compute the velocity. Finally, objects are associated using improved weighed nearest neighbor. The algorithm is implemented on the platform of Xilinx XCV300E+ADI Blackfin 532 DSP.

为了解决多目标跟踪中数据存储量、运算量大与实时处理之间的矛盾，提出了一种基于倒角算子距离变换的多目标分离方法，分别提取出各个目标的位置和大小信息，再采用五点二次预测估计出下一场目标的位置从而得到目标的运动速度，最后由改进的加权最近邻算法进行目标特征关联。

Must carry on the blanking force and the center of pressure computation once more.

再次要进行冲裁力和压力中心的计算。

The velocity distribution curve by numerical computation near the wall is the same as the Blasius theoretical curve, and it approved that the numerical simulative solution is correct. Obtained the time dependent interface and pressure distribution, but also obtained the time dependent velocity distribution on the cross section. It is a new way to study the gas-liquid two-phase flow.

直接数值模拟圆管中气液两相分层流动不仅能得到相界面、压力分布随时间的变化情况，而且能得到圆管中各截面上速度分布随时间的变化情况，这为研究管道中气液两相流动提供了一个新的研究方法。

In this paper,a distributed parallel computation,which is based on the domain spliting and the block chaotic relaxation methods,is discussed under the network environment.

本文讨论网络环境下的分布式并行计算，以区域分裂法与混乱块迭代为基础，在Novell网上利用多台微机作分布式计算。

Now he worked in ajoint venture.

现在他在一家合资企业工作。

More troops in Afghanistan won't change any of the foregoing.

更多的在阿富汗的军队也不会改变之前的状况。