电磁波在二维随机粗糙理想导体表面的散射:全角强度分布
The Scattering of Electromagnetic Waves from Two-Dimensional Randomly Rough Perfectly Conducting Surfaces: The Full Angular Intensity Distribution
摘要:
用计算机模拟方法研究了$p$ -或$s$ -偏振光在二维随机粗糙理想导电表面上的散射。利用矩量法将表面磁场两个独立切向分量的耦合非齐次积分方程组转化为矩阵方程组,然后采用双共轭梯度稳定化方法求解。的解决方案是用来计算平均微分反射系数给定的入射角和指定的偏振的入射和散射场。通过严格的计算机模拟方法,得到了强随机粗糙表面散射光强度的全角度分布。
英文摘要:
By a computer simulation approach we study the scattering of $p$- or $s$-polarized light from a two-dimensional, randomly rough, perfectly conducting surface. The pair of coupled inhomogeneous integral equations for two independent tangential components of the magnetic field on the surface are converted into matrix equations by the method of moments, which are then solved by the biconjugate gradient stabilized method. The solutions are used to calculate the mean differential reflection coefficient for given angles of incidence and specified polarizations of the incident and scattered fields. The full angular distribution of the intensity of the scattered light is obtained for strongly randomly rough surfaces by a rigorous computer simulation approach.
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