带反射腔开式套筒天线方向图计算

The Calculation of the Pattern of Sleeve Dipole Antenna With Reflective Cavity

采用电磁场数值领域中的矩量法对带反射腔的开式套筒天线进行分析，并通过计算机编制程序计算出了该天线的方向图以及半功率波瓣宽度，结果与有关单位提供的实测基本吻合。

This paper analyzes the sleeve dipole antenna with reflective cavity with MM algorith in the electromagnetic field, and presents the radiation pattern and some performance parameters by the calculation of computer. Its theoretical calculation are basically in accordance with the result of the actual tests.