CATIA AIDED RADOME ANALYSIS USING GEOMETRIC OPTICS METHOD  

作　　者：Li Gaosheng Jia Lei Ming Yongjin Cao Qunsheng 

机构地区：[1]College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics

出　　处：《Journal of Electronics(China)》2012年第6期562-566,共5页电子科学学刊（英文版）

基　　金：Supported by the National Natural Science Foundation of China (No. 61172024)

摘　　要：In this paper, the Geometric Optics (GO) method using the approximate ray paths coupled with the Computer Aided Tri-dimensional Interface Application (CATIA) meshing modeling are implemented to analyze the performance of electric large three-dimensional dielectric radome-enclosed antenna of arbitrary contour shape. The surfaces of the radome are approximated by planar triangular patches, the influences of various number of patches on power transmission coefficient and Insertion Phase Delay (IPD) via an ogive and a conical radome are discussed by the hybrid method. The simulation results indicate that computational error from planar triangular patches can limit in one percent, meeting the engineering application requirements.In this paper, the Geometric Optics （GO） method using the approximate ray paths cou- pled with the Computer Aided Tri-dimensional Interface Application （CATIA） meshing modeling are implemented to analyze the performance of electric large three-dimensional dielectric radome-enclosed antenna of arbitrary contour shape. The surfaces of the radome are approximated by planar triangular patches, the influences of various number of patches on power transmission coefficient and Insertion Phase Delay （IPD） via an ogive and a conical radome are discussed by the hybrid method. The simulation results indicate that computational error from planar triangular patches can limit in one percent, meeting the engineering application requirements.

关 键 词：Geometric Optics (GO) Computer Aided Tri-dimensional Interface Application (CATIA) RADOME Power transmission coefficient Insertion Phase Delay (IPD) 

分 类 号：TN82[电子电信—信息与通信工程]