地下二维散射问题是地下电磁勘探技术的基础。
Two-dimensional electromagnetic scattering from an underground cylinder is the foundation of underground EM prospecting.
用平面波谱法，求解圆柱对连续口径天线的二维散射问题，给出圆柱对天线远场的散射影响，得到精确的公式。
With the method of plane wave spectrum(PWS) , a 2-D electromagnetic scattering problem, the influence of a cylinder on a continuous antenna, is solved. The formulae given in this paper are accurate.
利用基尔霍夫近似研究了表面均方根斜率较大的二维粗糙面的多次散射问题。
Multiple scattering from two-dimensional rough surface with large surface root mean square(RMS) slope is studied with Kirchhoff approximation.
本文针对一般fd - TD方法分析计算二维理想导体散射问题所遇到散射体边角处难以精确处理的缺点进行了改进。
In this paper the improved FD-TD method is presented for modeling the edges of perfectly conducting objects accurately when analyzing and computing the two-dimensional 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。
The finite-difference frequency-domain method with multifrontal algorithm is presented for two-dimensional cylinder scattering problems.
研究了二维海洋波导中声波与散射体相互作用的问题。
The interaction of acoustic waves with the scattering object in an oceanic waveguide was examined.
目前这种方法已被应用于随机粗糙面散射问题的分析、随机分布的二维介质柱的散射分析、微带结构的分析、密集封装的互联分析等问题中。
This method has been applied to analyze electromagnetic scattering from random rough surface, two-dimensional random dielectric cylinders, microstrip structures and densely packed interconnects.
利用微扰论中的图形技术讨论了层状准二维无序电子系统中自旋轨道散射效应的有关问题。
Spin orbit scattering effects in a layered quasi 2d disordered electron system have been investigated by the diagrammatic techniques in perturbation theory.
二利用辛几何理论求解电磁波在二维凹面体散射中的传播问题，与经典的GO解比较，特别在焦散区得到较理想的场解。
Second, solve electromagnetic wave propagation of two-dimension concave objects by symplectic Geometrical Theory, and get better field solutions in caustic field2)comparing with classical GO method.
论文研究了一维、二维导体海面与其上方目标高频复合电磁散射问题。
The characteristics of high-frequency composite electromagnetic backscattering from a target above one- or two-dimensional conductor sea surfaces are investigated.
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。
The finite-difference frequency-domain method with preconditioned conjugate-gradient technique is presented for two-dimensional cylinder scattering problems.
将矩量法与迭代物理光学法结合解决带有槽缝结构的二维电大尺寸目标的电磁散射问题，并将解决的问题范围拓展到三维电大尺寸金属目标的情况，为混合方法的研究提供了一定的参考依据。
Finally the scattering problems of complex-shaped electrically-large 2d PEC targets are solved based on the hybrid method of IPO and MoM, which can be easily expanded to the 3-d condition.
用最大熵求解二维时域逆散射问题的层析成像算法反演井间、VSP和SRP中的二维介质波速分布。
The algorithm of solving 2d inverse scattering in time domain using maximum entropy is Proposed for reconstructing the velocity distribution in Corss-hole, VSP and SRP imaging system.
用最大熵求解二维时域逆散射问题的层析成像算法反演井间、VSP和SRP中的二维介质波速分布。
The algorithm of solving 2d inverse scattering in time domain using maximum entropy is Proposed for reconstructing the velocity distribution in Corss-hole, VSP and SRP imaging system.
应用推荐