一种ka波段宽带SIW腔背槽天线阵列

2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE) Pub Date : 2018-12-01 DOI:10.1109/ISAPE.2018.8634154

Guo-peng Yang, Jin-ping Zhang, Yi Yang, Zhipeng Zhou

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引用次数: 3

摘要

提出了一种工作在Ka波段的宽带基板集成波导(SIW)腔背天线。所提出的SIW腔是八角形的，上面有两个梯形槽。在空腔上附加衬底作为阻抗变压器。然后设计了$2\ × 2$天线阵列，进一步提高了天线增益。仿真结果表明，所设计天线的$\vert \mathbf{S}_{11}\vert < -10\ \mathbf{dB}$阻抗带宽达到30.2% (23.0-31.2 GHz)，天线阵列在整个工作带宽内获得20.2% (24.5-30.0 GHz)的阻抗带宽和稳定的增益，峰值为13.8 dBi。

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A Ka-Band Wideband SIW Cavity-Backed Slot Antenna Array

A wide band substrate integrated waveguide (SIW) cavity-backed antenna operating in Ka band is presented in this paper. The proposed SIW cavity is octagonal with two trapezoidal slots on it. Additional substrate is added upon the cavity as an impedance transformer. Then a $2\times 2$ antenna array is designed to further increase the antenna gain. Simulated results demonstrate that the $\vert \mathbf{S}_{11}\vert < -10\ \mathbf{dB}$ impedance bandwidth of the proposed antenna reaches 30.2% (23.0-31.2 GHz), and the antenna array achieves 20.2% (24.5-30.0 GHz) impedance bandwidth and stable gain throughout the operating bandwidth with a peak of 13.8 dBi.

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来源期刊

2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE)

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