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The inverse acoustic scattering problem is a typical Math-matical Physics inverse problem. 声波反散射问题是一个典型的数学物理反问题。
The numerical solution of acoustic scattering problem with two-dimension penetrable boundary condition was discussed. 摘要讨论了二维可穿透边界条件声波散射问题远场模式的数值计算方法。
Another numerical result with the boundary absorption is compared with the theoretical solution of scattering problem for a vertical cylinder. 具有岸边吸收作用的数值结果和具有边界吸收的圆柱绕射问题的分析解进行比较。
WANG Lian-tang.On invorse acoustic scattering problem by an obstacle[J].Journal of Engineering Mathematics,2000,(Sup.),21-27. [1]王连堂.;关于声波障碍反散射问题[J]
A successive over-relaxation technique for solving the wave scattering problem in the inhomogeneous and isotropic medium is studied in this paper. 研究非均匀各向同性介质弹性波散射的逐次超松驰计算方法。
The scattering problem of elastic wave by arbitrarily shaped cavities in an infinite anisotropic medium is investigated by the boundary intcgral equation (BIE) method. 本文借助于广义格林公式导出了用位移表示的各向异性介质中SH波入射时的边界积分方程.
The main works of this dissertation are as follows:1. The numerical algorithms of the direct acoustic scattering problem with the Neumann boundary condition is studied. 数值求解Neumann边界条价下的声波障碍散射正问题,这是声波反问题研究的基础。
A combination of finite element method (FEM) and fast multipole algorithm (FMA) is proposed to analyze the scattering problem of electrically large coated cylinders. 采用有限元-快速多极混合算法分析了介质涂层电大尺寸导体柱的电磁散射特性。
The antiplane scattering problem by a cylindrical canyon in a half-space is taken as an example to demonstrate the construction principle and pattern of auxiliary functions. 以半空间凹陷地形出平面散射问题为例讨论辅助函数的构造原则和正确方式；
Abstract： A combination of finite element method (FEM) and fast multipole algorithm (FMA) is proposed to analyze the scattering problem of electrically large coated cylinders. 摘要：采用有限元-快速多极混合算法分析了介质涂层电大尺寸导体柱的电磁散射特性。
In this paper, the Electric Field Integral Equation (EFIE) in conjunction with the moment method is used to analyze the electromagnetic scattering problem of rivet on the conducting plate. 摘要利用电场积分方程(EFIE)的矩量法分析了导体平板上有铆钉的电磁散射问题。
To solve these problems, this paper presents two new schemes for numerically treating acoustic scattering problems. 针对这些问题,提出了两种处理声波散射问题的新方案。
The PMCHWT equation for solving dielectric scattering problems is derived and applied to the scattering analysis of inhomogeneous dielectric objects. 推导了一种求解介质目标的PMCHWT方程,并应用到非均匀介质目标的电磁散射问题中。
In this paper the widely concerned FD-TD method is employed in analyzing Electromagnetic scattering problems of aerocraft basic parts(square cylinder? circle cylinder?flat board). 采用电磁工作者广为关注的FD-TD方法,对飞机的基本构成部件(方柱、圆柱、平板)的电磁散射问题,进行了研究。
The finite-difference frequency-domain method with preconditioned conjugate-gradient technique is presented for three-dimensional electromagnetic scattering problems. 引入预条件共轭梯度法,提出了结合频域有限差分法分析三维电磁散射问题。
I look at this problem from a different viewpoint. 我从不同的观点来看这个问题。
Aim To recover the impedance coefficient from the far field pattern of the scattered wave of the acoustic scattering problem with impedance boundary condition. 目的从阻尼边界条件声波散射问题的散射场的远场模式出发去反演阻尼系数。
She skirted round the problem of the high cost. 她避而不谈巨额费用问题。
Small villages scatter at the foot of the mountain. 村庄零零落落地散布在山脚下。
It may take a long time to find a solution to the problem. 也许要花很长时间才能找到解决这个问题的办法。