物理学报Issue(23)：1-8,8.DOI:10.7498/aps.63.230701
基于特征基函数的球面共形微带天线阵列分析∗
Analysis on spherical conformal microstrip antenna array by characteristic basis function metho d
摘要
Abstract
Spherical conformal microstrip antenna array which is used widely in the field of aeronautics is analyzed by the full wave analysis in this paper. Using the surface integral equation with spherical dyadic Green’s function can decrease the number of unknowns remarkably, and also reduce the demand of memory as compared with the method using volume-surface integral equation. The curvilinear triangle is proposed to mesh the surface of the microstrip antenna array, which can simulate the characteristic of spherical surface accurately. Firstly, the problem about probe feed model is solved successfully by introducing the half Rao-Wilton-Glisson function and boundary charge, and the image method is used to treat the line integral singularity problem. Then, the characteristic basis function method is employed to further save memory and computation time further by reducing the rank of impedance matrix. Finally, the input impedance and far-field spherical conformal microstrip antenna array of different sizes are analyzed. Results are in good agreement with those in the literature and simulation software, and thus the validity and effectiveness of the analysis method are demonstrated.关键词
球面共形微带天线阵列/面积分方程/曲面三角形/特征基函数Key words
spherical conformal microstrip antenna array/surface integral equation/curvilinear triangle/characteristic basis function引用本文复制引用
于涛,尹成友,刘汉..基于特征基函数的球面共形微带天线阵列分析∗[J].物理学报,2014,(23):1-8,8.基金项目
总装备部预研基金(批准号:51333020201)资助的课题.* Project supported by the General Equipment Department Pre-Research Foundation, China (Grant No.51333020201) （批准号:51333020201）
