电磁涡旋波在粗糙海面上的散射

2019 International Applied Computational Electromagnetics Society Symposium - China (ACES) Pub Date : 2019-08-01 DOI:10.23919/ACES48530.2019.9060757

Shaoqing Guo, Zi He, Rushan Chen, Jianxiao Wang

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引用次数: 1

摘要

本文研究了携带轨道角动量的电磁涡旋波照射在粗糙海面上的散射问题。这种特殊的相位特征有助于提取更多的海面信息。由于粗糙海面的电尺寸较大，矩量法(MOM)或时域有限差分法(FDTD)等模拟方法难以处理这一问题，因此引入了物理光学(PO)方法。仿真结果表明，不同模式下的散射场变化不大，为OAM域海面探测提供了一种新的思路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Scattering from Rough Sea Surface by Electromagnetic Vortex Wave

The scattering from rough sea surface illuminated by electromagnetic (EM) vortex wave carrying orbital angular momentum (OAM) is studied in this paper. The special phase characteristic may be helpful to extract more information of the sea surface. As the electric size of the rough sea surface is huge, the simulation method such as the method of moments (MOM) or finite difference time domain method (FDTD) can hardly handle this problem, then the physical optics (PO) method is introduced. Simulation results indicate that the scattering field of different mode are quietly different which provides an new idea for the detection of sea surface in OAM domain.

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2019 International Applied Computational Electromagnetics Society Symposium - China (ACES)

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