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cylinder scattering
相关语句
  柱体的电磁散射
     The finite-difference frequency-domain method with multifrontal algorithm is presented for two-dimensional cylinder scattering problems.
     引入多波前算法,提出了结合频域有限差分法分析二维柱体的电磁散射问题。
短句来源
     The finite-difference frequency-domain method with preconditioned conjugate-gradient technique is presented for two-dimensional cylinder scattering problems.
     本文引入预条件共轭梯度法 ,提出了结合频域有限差分法结合分析二维柱体的电磁散射问题。
短句来源
  “cylinder scattering”译为未确定词的双语例句
     A Fast Algorithm on Electrically Large Conductive Cylinder Scattering
     电大尺寸导体柱电磁散射问题的快速算法
短句来源
     Aualysis of Two-dimensional Cylinder Scattering Problems with Finite-difference Frequency-domain Method
     结合频域有限差分法分析二维柱体电磁散射
短句来源
     Analysis of Two-dimensional Metal Cylinder Scattering Property
     二维导体柱电磁散射特性分析
短句来源
     Evaluation of cylinder scattering in half-space using the boundary integration method
     用边界积分法计算半空间中圆柱体的散射声场
     In this paper, the random facet model is employed to establish the rough cylinder scattering theory,which is used to calculate the intensity distributions of the scattered laser from random rough cylinder surfaces, and this provides useful model for the most engineering design.
     利用随机面元模型 ,详细分析了刚性随机粗糙柱形表面的激光散射特点 ,建立了实用化的随机粗糙柱面激光散射理论模型 ,并给出了正入射时几种情况下的激光散射图像。 结果表明 ,不管哪种情况 ,正入射时柱面的激光后向散射都很强 ,而偏离后向的激光散射分布与表面的粗糙度及照射光斑与柱面直径的关系等有关
短句来源
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  相似匹配句对
     Visualization of the sound scattering by a cylinder
     柱体散射的声场显示
短句来源
     Scattering of elastic wave by an absorbing cylinder
     弹性波由吸收圆柱的散射
短句来源
     H SCATTERING MATRICES
     H散射矩阵
短句来源
     Inverse Scattering
     电磁逆散射
短句来源
     WATER CYLINDER
     水柱体
短句来源
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Mur′s ABCs are introduced to found FD equations and combined with a fast algorithm to solve electrically large conductive cylinder scattering problems.The enormous searching time of MEI coefficients in general MEI method is avoided.The whole CPU time(including the time to get the equations coefficients matrix and that to solve it)and memory consumption are both proportional to the number of discrete nodes around cylinder surface.Numerical results are in good agreement with the data by MoM and MEI....

Mur′s ABCs are introduced to found FD equations and combined with a fast algorithm to solve electrically large conductive cylinder scattering problems.The enormous searching time of MEI coefficients in general MEI method is avoided.The whole CPU time(including the time to get the equations coefficients matrix and that to solve it)and memory consumption are both proportional to the number of discrete nodes around cylinder surface.Numerical results are in good agreement with the data by MoM and MEI.

引入Mur边界条件建立有限差分方程,结合快速算法计算电大尺寸导体柱的电磁散射问题,避免了计算MEI系数的计算瓶颈,且差分方程系数矩阵的生成、求解时间以及占用内存均与柱体表面剖分点数呈线性关系,极大地缩短了总的计算时间。所得结果与其他方法相比具有较好的一致性。

The finite-difference frequency-domain method with multifrontal algorithm is presented for two-dimensional cylinder scattering problems. The Murs absorbing boundary conditions (ABCs) of the second order and the ABCs based on the concept of field average are applied at the terminating boundary mesh nodes. As the verification example, the scattering by an infinite cylinder of the perfect electric conductor is analyzed. CPU time is greatly reduced by using multifrontal method to solve the finite-difference...

The finite-difference frequency-domain method with multifrontal algorithm is presented for two-dimensional cylinder scattering problems. The Murs absorbing boundary conditions (ABCs) of the second order and the ABCs based on the concept of field average are applied at the terminating boundary mesh nodes. As the verification example, the scattering by an infinite cylinder of the perfect electric conductor is analyzed. CPU time is greatly reduced by using multifrontal method to solve the finite-difference equations. Numerical results demonstrate its accuracy and efficiency.

引入多波前算法,提出了结合频域有限差分法分析二维柱体的电磁散射问题。数值计算过程中利用Murs二阶吸收边界条件和场平均吸收条件截断网格;作为算例,分析了一无限长理想导体柱对平面电磁波的散射,由于使用了多波前算法求解差分矩阵方程,大大地减少了计算时间,数值结果表明了该方法的有效性。

Because of obvious difference between expanding light source and laser source, it appears different scattering peculiarity while they project to a random rough cylinder. In this paper, the random facet model is employed to establish the rough cylinder scattering theory,which is used to calculate the intensity distributions of the scattered laser from random rough cylinder surfaces, and this provides useful model for the most engineering design.

扩展面光源如太阳光与激光光源有明显的差异 ,因此它们照射到随机粗糙柱面后的散射特性也不同。利用随机面元模型 ,详细分析了刚性随机粗糙柱形表面的激光散射特点 ,建立了实用化的随机粗糙柱面激光散射理论模型 ,并给出了正入射时几种情况下的激光散射图像。结果表明 ,不管哪种情况 ,正入射时柱面的激光后向散射都很强 ,而偏离后向的激光散射分布与表面的粗糙度及照射光斑与柱面直径的关系等有关

 
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