摘要
随着机载天线的广泛应用,电磁兼容问题的分析非常重要。针对机载天线的特点,首先对机载天线电磁兼容的核心问题和主要解决途径进行了简要介绍,论述了机载天线隔离度的定义及计算方法,对常用的有限元法、物理光学、几何光学和几何绕射理论等天线电磁兼容技术分析方法进行了比较,最后结合飞机系统的具体情况提出采用混合方法分析机载天线电磁兼容技术问题。
With the wide application of airborne antennas,it＇s becoming more and more important to analyze the electromagnetic compatibility of airborne antenna.Considering airborne antenna＇s characteristics,first this article introduces the core problems and key solutions of the electromagnetic compatibility of airborne antenna;discusses the definition and calculation method of the airborne antenna isolation;then compares several methods for analyzing the antenna electromagnetic compatibility,such as finite element method,physics optics,geometrical optics and geometrical theory of diffraction.Finally,based on the airplane＇s practical situation,this article proposes a combined method to solve the problems of the electromagnetic compatibility of airborne antenna.
出处
《无线电通信技术》
2011年第4期40-42,共3页
Radio Communications Technology
关键词
机载天线
电磁兼容
数值计算法
有限元法
高频方法
airborne antenna
electromagnetic compatibility
numerical method
finite element method
high frequency method
