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首页> 外文期刊>IEEE Transactions on Antennas and Propagation >Backscattering enhancement and clustering effects of randomly distributed dielectric cylinders overlying a dielectric half space based on Monte-Carlo simulations
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Backscattering enhancement and clustering effects of randomly distributed dielectric cylinders overlying a dielectric half space based on Monte-Carlo simulations

机译：基于Monte-Carlo模拟的分布在介电半空间上的随机分布介电圆柱体的反向散射增强和聚类效果

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摘要

Backscattering enhancement can exist in volume-surface interactions where a double bounce can arise from one volume scattering and one surface scattering. An important quantity to be determined in backscattering enhancement is the angular width. The authors study backscattering enhancement of the volume-surface interaction by performing Monte-Carlo simulations of scattering by vertical dielectric cylinders overlying a dielectric half space using the Foldy-Lax multiple-scattering equations. The results indicate that the angular width of backscattering enhancement for a scattering layer with a small optical thickness is of the order of the wavelength divided by the layer thickness giving an appreciable angular width of the order of 10-30 degrees that can be important for remote sensing applications. The effects of clustering of scatterers leading to collective scattering and absorption effects are also studied.
机译：体积-表面相互作用中可能存在反向散射增强，其中一个体积散射和一个表面散射可能会引起两次反弹。在反向散射增强中要确定的重要量是角宽度。作者通过使用Foldy-Lax多重散射方程对垂直电介质圆柱体覆盖电介质半空间的散射进行蒙特卡洛模拟，研究了体积-表面相互作用的反向散射增强。结果表明，具有较小光学厚度的散射层的反向散射增强角宽度约为波长除以层厚度，从而可得到约10-30度的可观角宽度，这对于远程测量很重要。传感应用。还研究了散射体聚集导致集体散射和吸收效应的影响。

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