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A Dual-Polarized Cylindrical Conformal Array Antenna Suitable for Unmanned Aerial Vehicles

机译:适用于无人机的双极化圆柱共形阵列天线

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摘要

A dual-polarized X-band conformal array antenna is presented for unmanned aerial vehicles with polarimetric radars/sensors. Starting from the planar structure, the array antenna consisted of sixteen 2×2 subarrays is conformal to the cylinders with various curvature radii to fit the payload box of the airborne vehicle. The return losses are almost constant even if the curvature radius changes. Measured radiation patterns are compared with various curvatures at the same frequencies. The array can be easily placed on the aircraft payload or fuselage due to its ultra thin thickness, ultra lightweight, and conformal structure, which has potential airborne applications in polarimetric radar surveillance, remote sensing, and wireless communications.
机译:提出了一种双极化X波段共形阵列天线,用于带有极化雷达/传感器的无人机。从平面结构开始,由16个2×2子阵列组成的阵列天线与具有各种曲率半径的圆柱体共形,以适合机载车辆的有效载荷箱。即使曲率半径变化,回波损耗也几乎恒定。将测得的辐射方向图与相同频率下的各种曲率进行比较。该阵列具有超薄的厚度,超轻的结构和保形结构,可以轻松地放置在飞机的有效载荷或机身上,在极化雷达监视,遥感和无线通信中具有潜在的机载应用。

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