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When computing the diagonal elements of the Galerkin matrix, one will encounter the integral of Hankel function, the Green's function of 2-dimensional Helmholtz equation and the cosine weighting function, whose integrand is singular in the integration range. A new approach is proposed to deal with this kind of singular integrals, which is pivotal but have not been reported so far.

首先建立了透镜边缘上任一点的电场满足的边界积分方程，然后选择适当的正交模式函数展开端口上的电场分布，采用边界元法的思路及Galerkin法将该积分方程离散化为—矩阵方程求解即可得到透镜的多模式散射参数。

The proposed detector uses singular values and singular vectors of the signal subspace in a linear MMSE multiuser detector for the DS-CDMA system.

这种新方法通过信号子空间的奇异值和奇异向量得到CDMA系统的线性最小均方误差多用户检测器。

The proposed detector uses singular values and singular vectors of the signal subspace in a linear MMSE multiuser detector for the DS CDMA system.

提出了一种基于奇异值和奇异向量的盲自适应多用户检测方法。

This method was mainly built on the operator matrix's singular value decomposition in the first class of operator equations, and then the best regularization parameters were selected in accordance with the characteristics of singular value so as to identify filter function, thereby removing noise of the function.

该方法主要建立在第一类算子方程的算子矩阵进行奇异值分解的基础上，然后根据奇异值的特征选取最佳正则化参数确定滤子函数，从而达到对该类函数的噪声去除效果。

They are divided into two modes of singular legislation and non—singular legislation to regulate the system of Soil Protection in the countries of the world currently.

当前，世界各国采取了独立的立法模式和附属性立法模式规范土壤污染防治制度。

Explicit definition of internal forces in parallel mechanisms was proposed. The distribution of this kind of forces in singular and non-singular configurations of normal parallel mechanism, redundant parallel mechanisms was discussed.

明确给出了并联机构的内力定义，并对非冗余机构非奇异位置、非冗余机构奇异位置和冗余机构三种情况的内力状况分别进行了说明。

This limitingmodel of a singularly perturbed system is of the form of the singular systems ,while nowadays, the theory of singular systems is well developed and thus pavesthe way to develop a possible new synth.

通过对奇异摄动系统状态解极限性质的深入研究，本论文探讨了广义系统理论与方法在奇异摄动系统分析与综合中的适用性问题。

On the basis of Nagumo′s existence theorem for the singular case, we obtain the existence of solutions of singular equations satisfying nonlinear boundary value conditions and periodic boundary value conditions by means of approximations.

在Nagumo型存在定理的基础上，我们应用逼近的方法给出了奇性方程满足非线性边值条件和周期边值条件的解的存在性。

In this thesis we show distribution of direct singular positions in the workspace and also several singular configurations.

本文绘出奇异位置在工作空间内的分布及数个奇异构形。

In the past, there exists difficulty for calculating nearly singular integrals arising from boundary element analysis of the problems of thin body. However, by now, the difficulty of nearly singular integrals has been resolved by analytical integral algorithm, which has been put into uses in analyzing the conventional structures and thin body structures in the potential problems.

过去边界元法求解薄体结构存在着几乎奇异积分的困难，目前几乎奇异积分问题已得到成功解决，解析积分算法也已成功应用于分析二维位势问题常规结构和薄体结构。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。