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A Millimeter Wave Transparent Transmitarray Antenna Using Meshed Double Circle Rings Elements

机译:使用啮合双圆圈元件的毫米波透明传输阵列天线

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A novel transparent millimeter wave transmitarray antenna (TA) using three layers of meshed metal double circle rings elements is presented in this paper. A transparent plastic material, polymethylmethacrylate (PMMA) is used as the substrate. In order to promote the transparency, a meshed double circle rings unit-cell is designed using several 50 pm width metal grid lines. Good agreement between meshed and non-meshed unit-cells is reached at Ka-band. A transparent TA with diameter of 9.9 wavelengths is designed and simulated by the commercial software Ansys HFSS at Ka-band using the proposed elements. By moving the feed along the focal plane of TA, beam scanning up to 30° with low side lobe level, low cross polarization level and wideband performance is reached.
机译:本文介绍了一种新颖的透明毫米波传输阵列天线(TA),本文介绍了三层网格金属双圆圈环元件。透明塑料材料,聚甲基丙烯酸甲酯(PMMA)用作基材。为了促进透明度,使用几个50μm宽度金属栅极线设计网状双圆圈单元单元。在KA波段达到网状和非网状单元细胞之间的良好一致性。使用所提出的元件,由KA波段的商业软件ANSYS HFSS设计和模拟直径为9.9波长的透明TA。通过沿着Ta的焦平面移动馈电,光束扫描高达30°,侧瓣液位低,交叉极化水平低,达到宽带性能。

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