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ilted-Beam Antenna Based on SSPPs-TL with Stable Gain
Sensors ( IF 3.9 ) Pub Date : 2021-05-10 , DOI: 10.3390/s21093288
Dujuan Wei 1 , Youlin Geng 1 , Pengquan Zhang 1 , Zhonghai Zhang 1 , Chuan Yin 1
Affiliation  

In this paper, a titled-beam antenna based on spoof surface plasmon polaritons (SSPPs) transmission lines (TLs) is proposed. The parallel SSPPs-TL is a slow-wave TL, which is able to limit waves in the TL strictly. By periodically introducing a set of tapered stubs along the SSPPs-TL, the backward endfire beams are formed by the surface waves in the slow-wave radiation region. Then, through the placement of a big metal plate below the endfire antenna, the backward endfire beams are tilted, and the tilted angle of the beams are steered by the distance of the metal plate and antenna. Over the band of 5.7 GHz~7.0 GHz, the tilted antenna performs constant shapes of radiation patterns. The gain keeps stable at around 12 dBi and the 1-dB gain bandwidth is 20%. The measured results of the fabricated prototypes confirm the design theory and simulated results.

中文翻译:

增益稳定的基于SSPPs-TL的ilted-Beam天线

在本文中,提出了一种基于欺骗表面等离子体激元(SSPPs)传输线(TLs)的标题波束天线。并行SSPPs-TL是一种慢波TL,能够严格限制TL中的波浪。通过沿 SSPPs-TL 周期性地引入一组锥形短截线,后向端射光束由慢波辐射区域中的表面波形成。然后,通过在端射天线下方放置一块大金属板,使向后的端射波束倾斜,波束的倾斜角度由金属板和天线的距离控制。在 5.7 GHz~7.0 GHz 频带内,倾斜天线执行恒定形状的辐射模式。增益稳定在 12 dBi 左右,1-dB 增益带宽为 20%。
更新日期:2021-05-10
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