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电子学报  2014 

基于阵面变形误差的有源相控阵天线电性能分析

DOI: 10.3969/j.issn.0372-2112.2014.12.027, PP. 2520-2526

Keywords: 有源相控阵天线,变形误差,电性能,耦合分析

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Abstract:

有源相控阵天线(ActivePhasedArrayAntenna,APAA)阵面安装产生随机误差,振动冲击、热功耗等引起阵面变形,二者产生的阵面结构变形误差会导致天线电性能的下降,已成为实现高性能APAA的难点之一.将阵面变形误差作为附加的相位因子引入到天线方向图函数中,建立了平面矩形APAA阵面变形误差与电性能之间的结构-电磁耦合模型,并仿真分析了天线阵元个数变化时,阵面变形误差对天线电性能的影响规律.

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