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A high-gain and low cross-polarized printed fractal antenna for X-band wireless application
International Journal of Communication Systems ( IF 1.7 ) Pub Date : 2021-04-21 , DOI: 10.1002/dac.4807 Kalyan Sundar Kola 1 , Anirban Chatterjee 1
International Journal of Communication Systems ( IF 1.7 ) Pub Date : 2021-04-21 , DOI: 10.1002/dac.4807 Kalyan Sundar Kola 1 , Anirban Chatterjee 1
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This paper presents a newly introduced fractal microstrip patch antenna for X-band wireless application. The proposed fractal printed antenna possesses a fourfold centrosymmetric structure and gives considerably high gain with relatively low cross-polarization along the entire half-power beamwidth (HPBW) region of its radiation pattern. The proposed structure has been derived through selectively etching intersection parts between 4 symmetric lens and 13 circle geometries. In order to resonate the structure as well as to reduce the cross-polarization, three diagonal slots have been etched from its ground plane. The fabricated prototype resonates at 8.49 GHz and gives a gain and impedance bandwidth of 6.98 dBi and 494 MHz, respectively. The measured cross-polarization of the antenna along the direction of the main beam is −34.28 dB. The measured radiation efficiency and the computed aperture efficiency of the prototype are 91.96% and 78.25%, respectively. The fabricated prototype shows a very good agreement between its simulated and measured results and hence is a suitable candidate for X-band-related wireless applications.
中文翻译：
一种用于X波段无线应用的高增益低交叉极化印刷分形天线
本文介绍了一种新推出的用于 X 波段无线应用的分形微带贴片天线。所提出的分形印刷天线具有四重中心对称结构，并在其辐射方向图的整个半功率波束宽度 (HPBW) 区域提供相当高的增益和相对较低的交叉极化。所提出的结构是通过选择性蚀刻 4 个对称透镜和 13 个圆形几何形状之间的交叉部分得出的。为了使结构共振并减少交叉极化，从其接地平面蚀刻了三个对角槽。制造的原型在 8.49 GHz 谐振，增益和阻抗带宽分别为 6.98 dBi 和 494 MHz。沿主波束方向测得的天线交叉极化为−34.28 分贝。原型的实测辐射效率和计算孔径效率分别为91.96 %和78.25 %。制造的原型在其模拟和测量结果之间显示出非常好的一致性，因此是 X 波段相关无线应用的合适候选者。
更新日期：2021-06-03
中文翻译：
一种用于X波段无线应用的高增益低交叉极化印刷分形天线
本文介绍了一种新推出的用于 X 波段无线应用的分形微带贴片天线。所提出的分形印刷天线具有四重中心对称结构，并在其辐射方向图的整个半功率波束宽度 (HPBW) 区域提供相当高的增益和相对较低的交叉极化。所提出的结构是通过选择性蚀刻 4 个对称透镜和 13 个圆形几何形状之间的交叉部分得出的。为了使结构共振并减少交叉极化，从其接地平面蚀刻了三个对角槽。制造的原型在 8.49 GHz 谐振，增益和阻抗带宽分别为 6.98 dBi 和 494 MHz。沿主波束方向测得的天线交叉极化为−34.28 分贝。原型的实测辐射效率和计算孔径效率分别为91.96 %和78.25 %。制造的原型在其模拟和测量结果之间显示出非常好的一致性，因此是 X 波段相关无线应用的合适候选者。
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