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Low-cost high gain printed log-periodic dipole array antenna with dielectric lenses for V-band applications

机译:具有V波段应用介电透镜的低成本高增益印刷对数周期偶极子阵列天线

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摘要

Three different V-band high gain printed log periodic dipole array (PLPDA) antenna prototypes are proposed. The antenna prototypes are fabricated and tested. A good agreement between the experimental and simulated results is obtained. Results show that those antenna prototypes can operate from 42 to 82 GHz with a fractional impedance bandwidth of 64.5% covering the whole V-band (50–75 GHz). At 60 GHz, the three antenna prototypes have peak gain of 12.64, 23.31 and 26.79 dBi with a gain variation of 3.5 dBi across the whole V-band with stable radiation patterns over the operating band. The proposed PLPDA antenna prototypes achieve good side-lobe suppression, excellent front-to-back ratio in both - and -planes and low cross-polarisation levels over the entire frequency range.
机译:提出了三种不同的V波段高增益印刷对数周期偶极阵列(PLPDA)天线原型。天线原型被制造和测试。实验结果和模拟结果之间取得了良好的一致性。结果表明,这些天线原型可以在42至82 GHz的频率范围内工作,其部分阻抗带宽为64.5%,覆盖整个V波段(50-75 GHz)。在60 GHz时,这三个天线原型的峰值增益分别为12.64、23.31和26.79 dBi,在整个V波段上的增益变化为3.5 dBi,并且在整个工作频段上具有稳定的辐射方向图。拟议中的PLPDA天线原型实现了良好的旁瓣抑制,出色的前后平面比以及在整个频率范围内的低交叉极化水平。

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