基于象散波束追踪的UTD方法  

A Study of UTD Based on Astigmatic Beam Tracing

作　　者：陈晨 郭晓娟 许家栋[3] 

机构地区：[1]中国电子科技集团公司第二十研究所 [2]航空工业第一飞机设计研究院 [3]西北工业大学电子信息学院

出　　处：《安全与电磁兼容》2018年第2期58-62,共5页Safety & EMC

摘　　要：提出以一致性几何绕射理论为基础,采用象散波束追踪法的高频近似分析方法,旨在解决离散平面片建模的飞机、舰船等复杂天线系统辐射分析问题。该方法能够实现任意复杂形体的射线追踪及UTD应用,应用范围广、计算速度快、适用于电大复杂系统。This paper presents a high-frequency asymptotic numerical approach to solve the problem of radiation analysis for complex antenna systems such as aircraft,ships which are modeled by planar facets.This approach is based on the uniform geometrical theory of diffraction,using the advanced astigmatic beam tracing theory as its ray tracing method.This approach can solve the ray tracing and UTD application problem of any complicated system,so it has the advantages of wide application,fast calculation speed,and can be applied to electrical large systems.

关 键 词：一致性几何绕射理论 射线追踪 象散波束追踪法 离散平面片 天线系统 

分 类 号：TN820[电子电信—信息与通信工程]