具有全空间独立波束形成能力的反射-发射阵列

2021 13th International Symposium on Antennas, Propagation and EM Theory (ISAPE) Pub Date : 2021-12-01 DOI:10.1109/ISAPE54070.2021.9753555

Hang Yu, Jianxun Su, Zengrui Li

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引用次数: 0

摘要

提出了一种新型的反射发射阵列(RTA)，可以实现全空间的独立波束转向。所提出的单元电池由一个金属耶路撒冷交叉谐振器组成，该谐振器位于一对正交取向的亚波长金属光栅之间。通过调整金属谐振器的长度，产生2位码(包括1位反射和传输相位)。然后，将锥体喇叭天线馈电的整个25x25元阵列进行QR码快速响应，划分为透射分布和反射分布。阵列的整个结构按照朝向θ0= 0°的透射波束和朝向θ0= 160°的反射波束布置。仿真结果验证了该系统的全空间独立波束形成能力。

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A Reflect-Transmit Array with Full-Space Independent Beamforming Capability

A novel reflect-transmit array (RTA) is presented that can enable independent beam steering in full space. The proposed unit cell consists of a metallic Jerusalem cross resonator, which locates between a pair of orthogonally oriented subwavelength metal gratings. By adjusting the length of the metal resonator, 2-bit codes (including '1-bit reflection and transmission phases) are generated. Next, the entire 25x25-element array fed by a pyramidal horn antenna, which is subjected to the quick response (QR) code, is divided into transmission and reflection distribution. The entire structure of the array is arranged in accordance with the transmission beam toward θ0= 0° and the reflection beam toward θ0 = 160°. The simulated results demonstrate the full-space independent beamforming capability.

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来源期刊

2021 13th International Symposium on Antennas, Propagation and EM Theory (ISAPE)

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