双极化赋形波束波导缝隙阵列天线研究

Journal of Telemetry,Tracking and Command(2014)

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Abstract
设计一种双线极化的赋形波束波导缝隙驻波天线阵,它是由两个极化相互正交的线阵交错排列组成的二维阵列.馈电网络通过采用等高不等宽的波导实现相位加权,通过改变缝隙倾角实现幅度加权,从而得到特定的赋形波束.馈电网络置于阵面背后,背馈方式的采用展宽了天线的带宽.脊波导的采用减小了波导的宽边尺寸,避免了栅瓣的出现,使天线结构更加紧凑.加工了天线实物,测试结果与仿真结果在赋形波束主瓣内吻合良好.
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