摘要
我们按照文献[1]提出的方案,研制了一种结构简单的4mm多模圆锥喇叭。通过理论分析,计算出其模比,并推导出其辐射方向图公式。在两个主平面——H平面或E平面上,对其方向图及波束场分布特性进行测试。理论分析及测试结果共同表明,该多模喇叭的主要性能明显优于单模圆锥喇叭。
A multimode conical feedhorn of simple structure in 4MM wave band has been constructed on the basis of the version of References [1]. By means of theoretical analyses, the mode-ratios are calculated and the formulas of patterns are derived. In the two principal planes—H plane and E plne, the patterns and the field distribution characteristic of wave beam are measured. Theoretical analyses and measurements show that the principal performances of the multimode horn has advantage over that of single-mode conical feedhorn.
出处
《微波学报》
CSCD
北大核心
1989年第3期39-45,共7页
Journal of Microwaves
基金
国家自然科学基金
关键词
圆锥喇叭
微波天线
反射镜天线
multimode conical feedhorn, mode-ratio pattern, principal plane field distribution characteristics.
