低旁瓣圆极化发射阵列天线的幅相解耦超表面设计

2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI) Pub Date : 2023-07-23 DOI:10.1109/USNC-URSI52151.2023.10238234

Jingwen Wang, Weidong Chen, Jun Ding, Chang Chen

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引用次数: 0

摘要

针对圆极化入射波，提出了一种幅相去耦的透射超表面。交叉极化传输幅值和相位由不同的结构参数独立控制。在此基础上，设计了一种低旁瓣电平(SLL)的发射阵列天线。与纯相位调制的发射阵列天线相比，同时进行幅度和相位调制的发射阵列天线的SLL降低了5.1 dB，验证了所提出的设计方法。

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Amplitude and Phase Decoupled Metasurface for Low Side-Lobe Circularly Polarized Transmitarray Antenna Design

This paper proposes a transmissive metasurface with decoupled amplitude and phase for circularly polarized (CP) incident waves. The cross-polarized transmission amplitude and phase are independently controlled by different structural parameters. Then, a transmitarray antenna with a low side-lobe level (SLL) based on the proposed metasurface is demonstrated. Compared to transmitarray antenna with phase-only modulation, the SLL of the proposed transmitarray antenna with simultaneous amplitude and phase modulation is reduced by 5.1 dB, which validates the proposed design methodology.

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2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI)

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