摘要
从理论上分析计算了频扫阵列天线慢波线的幅相分布误差对天线方向图的影响 ,给出了几组误差分布条件下频扫天线扫描波束指向偏离和副瓣电平变坏的结果 ,与试验小阵的测试数据比较 ,两者吻合较好 ,这对频扫天线慢波线的工程设计具有重要的指导作用。本文的分析方法也同样可用于相扫。
The effect of amplitude phase errors of the frequency scanning antenna S shaped line on the antenna pattern is theoretically analyzed and calculated in this paper.The results of the beam direction shift of frequency scanning antenna and the side lobe property deterioration under several sets of error distribution are presented.Such results are in good agreement with the test data of the antenna,which plays an important instructive role in the design of the frequency scanning antenna S shaped line.The way of analysis in this paper can also be used in designing phase scan、frequency phase scanning or phased array antennas.
出处
《雷达与对抗》
2000年第4期27-32,共6页
Radar & ECM
关键词
频扫天线
慢波线
辐相误差
天线方向图
radar frequency scanning antenna
S shaped line
amplitude phase errors
antenna pattern
