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A Novel Dual Circularly-Polarized Waveguide Antenna Array

机译:一种新型双圆极化波导天线阵列

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A novel dual circularly polarized (CP) waveguide slot antenna array is presented. The RHCP and LHCP antenna array share a same aperture and adjacent wall. The radiating element is composed of a pair of tilted slots cut in the narrow walls of a ridge waveguide and a longitudinal slot in bottom of the U-shaped wall, which radiate a couple of orthogonal electromagnetic fields. The quarter of wave length depth of the ridge offers 90° phase difference for the two polarized fields. The difference of the RHCP and LHCP is the longitudinal slot offset. The dual CP antenna array obtains high efficiency and simple structure. A simple planar array is simulated to verify the design.
机译:提出了一种新型双圆极化(CP)波导槽天线阵列。 RHCP和LHCP天线阵列共享相同的孔径和相邻的墙壁。辐射元件由一对倾斜槽组成,该倾斜槽切割在脊波导的窄壁中,以及U形壁的底部的纵向槽,这辐射几个正交电磁场。脊的四分之一的波长深度为两个偏振田提供90°相位差。 RHCP和LHCP的差异是纵向槽偏移。双CP天线阵列获得高效率和简单的结构。模拟简单的平面阵列以验证设计。

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