多层天线罩电性能参数的计算与结构优化  

Calculation and structure optimization of electrical performances of multilayer radome

作　　者：苏京文 邓晖[1] 董金明[1] 

机构地区：[1]北京航空航天大学电子信息工程学院,北京100191

出　　处：《电子测量技术》2014年第7期40-43,48,共5页Electronic Measurement Technology

摘　　要：运用传输线理论分析多层天线罩电性能参数,并使用遗传算法对其功率传输系数在频率范围2～18 GHz,入射角范围为0°～45°内进行优化,得到最佳设计厚度.并按实际项目要求,选择对垂直极化入射时天线罩的功率传输系数、功率反射系数、插入相位移进行计算.结果表明,该夹层天线罩在设计要求范围内功率传输系数、功率反射系数、插入相位移处于较优水平.In this paper,it can be shows that the best designing thickness by optimizing the thickness of the multilayer radome in the frequency range of 2～18 GHz and incident angle range of 0°～45° on the basis of genetic algorithm.And,according to the requirements of actual project,the power transmission coefficient,the power reflection coefficient and the insertion phase delay of the incident electromagnetic wave which in perpendicular polarization are computed.The results show that the power transmission coefficient,the power reflection coefficient and the insertion phase delay of the sandwich antenna radome wall are all in an optimum level within the scope of designing requirements.

关 键 词：天线罩 遗传算法 功率传输系数 

分 类 号：TN820.8[电子电信—信息与通信工程]