MATLAB在反射面天线三维方向图中的应用  

Application of MATLAB in 3D-pattern of Reflector Antenna

作　　者：刘国玺[1,2] 毛贵海[1] 耿京朝[1] 

机构地区：[1]中国电子科技集团公司第五十四研究所,河北石家庄050081 [2]哈尔滨工业大学,黑龙江哈尔滨150090

出　　处：《无线电通信技术》2011年第3期36-38,共3页Radio Communications Technology

摘　　要：提出了一种反射面天线三维方向图的绘制方法。介绍了分析反射面天线辐射场的方法,并将表面电流法和口径场法进行了比较。给出了计算抛物面上的电流分布公式,论述了表面电流法的基本原理。运用MATLAB软件对反射面天线的辐射场进行了数值计算,阐述了程序主要语句格式和功能以及计算的流程图,得到了天线的二维和三维方向图,直观清楚地表现出辐射方向图的特点,为绘制反射面天线的方向图提供了一种方法。In this paper,a method of drawing 3D-pattern of reflector antenna is presented,and a method of analyzing its radiation field is introduced.A comparison is made between surface current method and caliber field method.The basic theory of surface current method is described.Numeric calculation of the radiation filed of antenna is performed by using MATLAB software,the main block format and calculation flow chart of program are described,and the 2D-pattern and 3D-pattern of reflector antenna are worked out.The characteristics of radiation pattern are shown clearly.The paper provides a method for drawing 3D-pattern of reflector antenna.

关 键 词：反射面天线 表面电流法 MATLAB 三维方向图 

分 类 号：TN820.12[电子电信—信息与通信工程]