相位和差单脉冲相控阵天线方向图仿真与性能分析

相位和差单脉冲相控阵天线方向图仿真与性能分析

内容简介：以相位和差相控阵为例对和差方向图仿真进行研究,给出了相位和差单脉冲相控阵天线方向图仿真模型。以幅度加权为例,给出了和差方向图的数值仿真结果,并分析了方向图波瓣分布特点。对相位和差相控阵单脉冲测角原理、测角性能曲线和测角误差原因进行了分析。天线方向图计算机数值仿真方法可以为天线系统设计和天线参数测试提供参考。实践证明该仿真方法是非常有效的,并在实际天线测试和性能分析中得到应用。

Abstract：Based on phase sum-difference phased array,sum-difference antenna pattern simulation is studied.Numerical simulation model of phase sum and difference mono-pulse phased array antenna pattern is proposed.Based on a phased array radar antenna of amplitude weighted,numerical simulation pattern of sum-difference antenna pattern is presented,and beam lobe scatter characteristic is analyzed.Phase sum-difference mono-pulse angle measurement elements,angle measurement performance curve and angle measurement error reason are analyzed.Numerical simulation method of antenna pattern can be used to supply references to phased array antenna design and antenna performance test.The study shows this method presented is very efficient,which is applied in antenna test and performance analysis in practice.

作者：李文臣, 李青山, 马飞,

关键词：相位和差单脉冲, 天线方向图, 相控阵雷达, 测角性能曲线, 幅度加权,