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Radial line slot array antenna with vertical waveguide feed for F-band communication

机译:具有垂直波导馈送的径向线缝隙阵列天线,用于F波段通信

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摘要

The authors present concentrically arrayed radial line slot array antenna for operation at 106 GHz. For compact design, they propose a vertical waveguide feeding with a cross-slot structure at the waveguide to cavity transition. Aperture design and optimisation are carried out using particle swarm optimisation with the goal to minimise the cross-polarised radiation. Antenna prototypes were fabricated using a slotted plate with nickel and radial line cavity with copper. Fabricated aperture showed 72% peak radiation efficiency at 106.3 GHz with a gain bandwidth of 8.5% and 3-dB axial ratio bandwidth of 18%.
机译:作者提出了同心排列的径向线缝隙阵列天线,工作频率为106 GHz。对于紧凑型设计,他们提出了一种垂直波导,该波导在波导到腔的过渡处具有交叉槽结构。使用粒子群优化技术进行光圈设计和优化,以最小化交叉极化辐射。使用带镍的开槽板和带铜的径向线腔制造天线原型。制成的孔径在106.3 GHz处显示72%的峰值辐射效率,增益带宽为8.5%,3 dB轴向比率带宽为18%。

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