涡流电磁波在金属板上的散射特性

2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP) Pub Date : 2020-08-04 DOI:10.1109/APCAP50217.2020.9246037

Hongyan Liu, Kang Liu, Yongqiang Cheng, Hongqiang Wang, Yu Wang

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引用次数: 2

摘要

本文研究了涡流电磁波照射金属平板的散射特性。利用物理光学(PO)方法建立了双基地雷达散射模型，推导了双基地雷达截面(RCS)的计算公式。对散射场进行了数值模拟。分析了散射特性，包括强度分布、相位分布、轨道角动量(OAM)谱分布和双基地RCS计算。结果表明，其散射特性不同于传统平面波，散射场具有高纯度的OAM模式，为雷达探测识别提供了新的前景。

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 Characteristics of Vortex Electromagnetic Waves by a Metal Plate

In this paper, the scattering characteristics of a metal flat plate illuminating by vortex EM waves are investigated. The scattering model is established by physical optics (PO) method and the bistatic radar cross section (RCS) calculations are derived. The scattering field is simulated by numerical simulation. The scattering characteristics including intensity distribution, phase distribution, orbital angular momentum (OAM) spectrum distribution and bistatic RCS calculations are analyzed. The results show that the scattering characteristics are different with conventional plane waves, and the scattering field has a high purity of OAM mode, which can provide a new prospect for radar detection and recognition.

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2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)

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