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A Back-Feed OAM Antenna of Planar Integration

机译：平面集成的后馈OAM天线

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摘要

Orbital angular momentum has a broad development prospect as a vector feature of electromagnetic waves. It can not only improve spectrum utilization, but also increase transmission rate. Its good directivity can also play a significant role in the field of wireless transmission security and confidential communication. Therefore, designing an antenna generator capable of generating vortex waves has become a hot topic in the near future. Focusing on the generation of vortex waves, this paper designs an orbital angular momentum antenna consisting of a 4-element microstrip back-feed rectangular patch antenna array, which can generate vortex waves, which works at frequency 7.6GHz with bandwidth 2.5%. Compared with other uniform circular arrays that generate vortex waves, this antenna is simple in structure and easy to be plenary integrated. It also has higher bandwidth and lower mutual-coupling.
机译：轨道角动量具有广泛的发展前景作为电磁波的矢量特征。它不仅可以改善频谱利用率，还可以提高传输速率。其良好的方向性也可以在无线传输安全性和机密通信领域发挥重要作用。因此，设计能够产生涡旋波的天线发生器已成为近期的热门话题。专注于涡流波的产生，本文设计了由4元微带回料矩形贴片天线阵列组成的轨道角动量天线，其可以产生涡旋波，其在7.6GHz的频率下工作2.5％。与产生涡流波的其他均匀圆形阵列相比，结构简单，易于全体全体集成。它还具有更高的带宽和更低的相互耦合。

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