A Wideband and Dual-Polarized Ridged Open-Ended Waveguide Antenna
A Wideband and Dual-Polarized Ridged Open-Ended Waveguide Antenna
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宽带双极化脊状开口波导天线
DOI：
10.1109/apmc46564.2019.9038259
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发表时间：
2019
期刊：
影响因子：
--
通讯作者：
T. Hong
中科院分区：
文献类型：
--
作者：
Tian Zhou;T. Hong
本文在开口圆波导天线的基础上，通过添加特殊的倒脊结构，提出了一种宽带双极化开口波导。可用于近场测量。该天线工作在6至15.3 GHz的宽带宽范围内，|S11| < −10dB。与标准开口圆波导相比，由于孔径尺寸为0.43λmax，因此具有较小的散射。在6 ~ 15.3GHz范围内，隔离度大于45 dB，交叉极化鉴别度大于40 dB。天线增益为5.4 ~ 11.4 dB，波束宽度为40° ~ 100°。
In this paper, a wideband dual-polarized open-ended waveguide based on the open-ended circular waveguide antenna by adding special inverted ridge structure is proposed. It can be applied to Near-Field measurements. The antenna operates a wide bandwidth ranged from 6 to 15.3 GHz with| S11| < −10dB. Compared to the standard open-ended circular waveguide, it has less scattering due to the aperture size of 0.43λmax. The isolation is greater than 45dB and the cross-polarization discrimination is greater than 40 dB across 6-15.3GHz. The antenna gain is from 5.4 to 11.4 dB and beamwidth is from 40° to 100° over the entire band.