一种解决宽带相控阵雷达瞬时带宽的方法  

A Method Soluting The Instantaneous Bandwidth of Broadband Phased Array Radar

作　　者：顾军[1] 胡瑾贤 李春来 GU Jun;HU Jin-xian;LI Chun-lai(The 723 Institute of CSIC,Yangzhou 225101,China)

机构地区：[1]中国船舶重工集团公司第七二三研究所

出　　处：《舰船电子对抗》2019年第5期95-97,共3页Shipboard Electronic Countermeasure

摘　　要：相控阵天线需要扩展瞬时带宽以满足使用需求,对扩展相控阵天线瞬时带宽的方法进行了分析和研究。首先分析了瞬时带宽的限制因素,根据分析结果仿真计算了阵列各单元或各子阵级别上采用实时延迟线和移相器对提高瞬时带宽的影响。Instantaneous bandwidth expanding of phased array antenna is beneficial to satisfy operation requirement.This paper performs analysis and research to the methods expanding instantaneous bandwidth of phased array antenna,firstly analyzes the factors limiting instantaneous bandwidth,then simulates and calculates the benefit to expanding instantaneous bandwidth by using real-time delay line and phase-shifter in each element or subarray level according to the analysis result.

关 键 词：宽带相控阵雷达 瞬时带宽 波束指向 子阵 

分 类 号：TN958.92[电子电信—信号与信息处理]