一种宽带高效双极化收发天线阵

A Broadband High Efficiency Dual-Polarized Transceiver Antenna Array

设计了一种工作在L波段的宽带宽角扫描阵列天线。针对现有宽带阵面效率低,扫描增益损失大,有源驻波差的问题,采用了金属槽线紧耦合阵加合路网络的形式,工作带宽达到了2.7个倍频程。整阵具备高孔径效率,低有源驻波,双极化以及功率容量大的特点。同时通过合路缩减通道数量并有效控制了系统成本。最终对实物进行了加工与测试,测试结果良好。该阵列在高功率及大型相控阵系统应用中有较大的应用价值。

An L-band broadband wide-scanning antenna array is designed.In order to solve the problems of low efficiency,large scanning gain loss,and high active standing wave of the existing broadband array,a metal slot tightly coupled array connected with combined network is presented.The working bandwidth reaches 2.7 multiplier operating bandwidths.The entire array has many characteristics such as high efficiency,low cost,low active standing wave ratio,dual polarization and large power capacity.Meanwhile,this design reduces the number of channels through combined network for cost control.Finally the proposed array is fabricated and tested,the measured results performed well.This array has a great application value in high power and large scale active phased array applications.