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首页> 外文期刊>Microwaves, Antennas & Propagation, IET >Linearly polarised radial line slot antenna for high-power microwave application
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Linearly polarised radial line slot antenna for high-power microwave application

机译：大功率微波应用的线性极化径向线缝隙天线

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摘要

An all-metal linearly polarised radial line slot antenna without dielectric is proposed in this study. As a result of this study, new design suggestions have been introduced which greatly contribute to the performance improvement of this type of antennas for high power microwave application. An antenna prototype operating at 9.27 GHz was designed with a height of 10 cm and an aperture radius of 25.5 cm. Experimental measurements show that at the centre frequency, the antenna gain reaches 31.3 dBi, an aperture efficiency of 55%, return loss is less than -20 dB. The radiation patterns indicate a reasonable cross-polarisation level more than 30 dB below the co-polarisation. This all-metal antenna efficiency is higher than the traditional one.
机译：本研究提出了一种不带电介质的全金属线性极化径向线缝隙天线。这项研究的结果是，提出了新的设计建议，这些建议极大地改善了用于高功率微波应用的此类天线的性能。设计了工作在9.27 GHz的天线原型，其高度为10厘米，孔径半径为25.5厘米。实验测量表明，在中心频率处，天线增益达到31.3 dBi，孔径效率为55％，回波损耗小于-20 dB。辐射图表明合理的交叉极化水平比共极化低30 dB以上。这种全金属天线的效率高于传统天线。

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