散射

Iterative method of integral equation is used to solve electromagnetic scattering from multiple conducting cylinders in this paper.

提要 本文用积分方程的迭代求解方法处理二维多导电柱体的电磁散射问题。

Using the surface integral equation analysis of complicated target scattering, impedance matrix Z is a dense matrix.

利用表面积分方程分析复杂目标电磁散射特性时，得到的阻抗矩阵Z是一个稠密矩阵。

In this paper, electromagnetic scattering characteristics by general hi-isotropic objects are investigated based on the surface integral equations.

本文基于球面积分等式研究广义双各向同性物体的电磁散射特征。

In this paper,the singularity in the integrand of electrical field integral equation for 3-dimensional vector fields scattering is first analyzed.

本文研究了电场积分方程中被积函数奇异性的处理方法，特别是三维矢量散射分析中出现的高阶奇异性，给出了两种解决积分方程奇异性的数值方法。

Dept.of Microwave Eng.,UEST of China,Chengdu 610054,ChinaAbstract:In this paper,the singularity in the integrand of electrical field integral equation for 3-dimensional vector fields scattering is first analyzed.

本文研究了电场积分方程中被积函数奇异性的处理方法，特别是三维矢量散射分析中出现的高阶奇异性，给出了两种解决积分方程奇异性的数值方法。

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 RBS data were fitted with SIMNRA 6.0,and the results show the atomic interdiffusion in Fe/Si systems.

用能量为3MeV的C离子进行了卢瑟福背散射测量，并用SIMNRA6.0程序分析了测量结果，给出了界面附近Fe原子与Si原子间互扩散的完整图像。

This paper presents the principle of real-time measurement of the object angular vibration by laser speckles and analysis of interference pattern.

论述了利用激光散斑实时测量目标散射面角振动的原理，并从干涉条纹的角度对仿真参数进行了分析。

The effects included in the intensity calculation are direct exposure, mid-leaf and interleaf transmissions, rounded leaf-end, tongue-and-groove, extra-focal source distribution, and scatter from the leaves.

强度计算中考虑了直接辐射、一个叶片中间和叶片间透射、弧形端面、凸凹槽效应、焦点外源分布和来自叶片的散射等因素。

Using the semiclassical rescattering model, we have studied the effect of molecular internuclear distance on non-sequential double ionization.

利用半经典再散射模型，我们研究了激光强度在一定范围内时分子核间距对非时序双电离过程的影响。

Recall that, in the Kolmogorov axiomatization, measurable sets are the sets which have a probability or, in other words, the sets corresponding to yes/no questions that have a probabilistic answer.

延期开工的Kolmogorov宣布要衡量所有套职能有限许多坐标限制在于衡量子寅。换句话说，如果是/否的问题回答f可看的价值观念在许多最有限坐标，然后它有一个概率的答案。

The experimental results showed that the algorithm can filter singular points and remain fixity of the target edge.

实验表明：基于模糊理论的图像智能滤波方法比常规图像滤波方法运算量小，它既能去除奇异点，又能保持图像中目标的边缘不变性，具有很好的滤波效果。