Because of its special antenna structure , testing the antenna ’ s performance is necessary to prove its theory . auto measurement system of cfa array annates can measure the annates ’ s amplitude - phase character and resistance matrix quickly and effectively 舰载超视距雷达使用交叉场天线cfa ( crossedfieldantenna )作为阵列天线阵元,由于其特殊的天线结构,对其特性的理论研究也需要测量数据来验证。