本文讨论了多极化相控阵天线在最佳信号接收,抗干扰及目标识别方面的用途。分析了各种干扰情况下变极化的抗干扰效果。对多极化相控阵天线单元的各种型式、优缺点及目前达到的性能指标作了归纳和比较。讨论了栅格和阵元尺寸选择的方法。对分析阵的扫瞄和极化特性及宽角宽带阻抗匹配的各种方法作了归纳和探讨。比较了两种基本型式的变极化电路,对变极化阵的可能馈电形式进行了讨论。 This article discusses the use of multipolarized phased array antennas for best signal reception, noise immunity, and target identification. The anti-jamming effect of variable polarization under various interference conditions is analyzed. Multi-polarization phased array antenna unit of various types, advantages and disadvantages and the current performance indicators were summarized and compared. Discussed grid and array size selection method. The methods of scanning and polarization analysis of analytical array and wide-angle broadband impedance matching are summarized and discussed. Two basic types of variable polarization circuits are compared, and the possible feeding modes of the variable polarization array are discussed.