Study on the phase analysis of vortex electromagnetic wave

2018 11th UK-Europe-China Workshop on Millimeter Waves and Terahertz Technologies (UCMMT) Pub Date : 2018-09-01 DOI:10.1109/UCMMT45316.2018.9015672

Z. Cao, Guoqing He, Ziyao Lu, Qian Zhang, Jingtian Li

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Abstract

The electromagnetic wave with orbital angular momentum (OAM) has a helical phase structure, the special phase structure makes the OAM formed with plane electromagnetic wave in the huge difference, at the same time it makes the OAM wave have great potential in the field of communication and electromagnetic wave detection. In this paper, the HFSS software is used to generate vortex electromagnetic waves by using a uniform antenna array. On the same receiving surface, The field intensity distribution and the corresponding phase distribution of the vortex electromagnetic wave in the air, the object in the air, the vertical incident and the oblique incidence in the air are simulated. Export the corresponding data and verify with MATLAB, Then, the distribution of field strength and phase distribution under different conditions are compared. Through comparison, it is found that vortex electromagnetic wave has the research significance in object detection, and the electromagnetic vortex has the potential to get the radar targets.

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涡旋电磁波的相位分析研究

轨道角动量电磁波(OAM)具有螺旋相位结构，这种特殊的相位结构使得形成的OAM与平面电磁波具有巨大的差异，同时也使得OAM波在通信和电磁波探测领域具有巨大的潜力。本文采用HFSS软件，利用均匀天线阵产生涡旋电磁波。在同一接收面上，模拟了涡旋电磁波在空气中、空气中物体、空气中垂直入射和斜入射的场强分布和相应的相位分布。导出相应的数据并用MATLAB进行验证，比较了不同条件下的场强分布和相位分布。通过比较，发现涡流电磁波在目标检测中具有研究意义，电磁涡流具有获取雷达目标的潜力。

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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2018 11th UK-Europe-China Workshop on Millimeter Waves and Terahertz Technologies (UCMMT)

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