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Millimeter Wave Planar Full-range Switched Beam Grid Array Antenna and its Smart Car Radar Applications

机译:毫米波平面全范围开关梁栅格阵列天线及其智能汽车雷达应用

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In this paper, a patented compact planar full-range switched beam grid array antenna (GAA) is proposed for millimeter wave applications. By positioning the feeding points properly, the GAA is able to generate full-range switched beams with a specific coverage, for example, a GAA with 17 feeding ports generates 17 beams within a solid angle of θ = 14.1° to 26.3° with the directivity range from 15.3 dBi to 18.3 dBi at 93 GHz. For the 77-GHz smart car radar application, the GAA can produce 4 beams with ±15° scanning range and peak gain >18 dBi. The GAA on low cost printed circuit board (PCB) is with extremely compact structure, namely, its size is 1/70 of a conventional transmit-array.
机译:本文提出了一种专利的紧凑型平面全范围开关梁栅格阵列天线(GAA),用于毫米波应用。通过适当地定位馈电点,Gaa能够产生具有特定覆盖的全范围切换光束,例如,具有17个进料端口的Gaa在θ= 14.1°的实心角度下产生17个光束,具有方向性从93 GHz的15.3 dbi到18.3 dbi的范围。对于77-GHz智能汽车雷达应用,GAA可以产生4个具有±15°扫描范围和峰值增益> 18 dBI的光束。低成本印刷电路板(PCB)上的GAA具有极其紧凑的结构,即其尺寸为传统发射阵列的1/70。

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