结构变形对测向天线精度的影响  

Influence of Structural Deformation on Accuracy of Direction Finding

作　　者：李聪聪[1] 刘国玺[1] 毛贵海[1] 

机构地区：[1]中国电子科技集团公司第五十四研究所,河北石家庄050081

出　　处：《无线电通信技术》2010年第1期35-36,57,共3页Radio Communications Technology

摘　　要：主要研究了结构变形对测向精度的影响。通过测向天线采用五阵元体制算出了间距误差对相位的影响,分析了测向天线的测向算法。通过自重和风负荷的受力计算,给出了天线变形计算。通过计算有间距误差和无误差时的相位,得出了在受力变形时与理论相位差之间的误差。对于天线受力变形所引起的测向误差也给出了结果。为今后对测向天线进行机电综合分析提供了一种方法。In this paper, the influence of structural deformation on the accuracy of direction finding is studied, The effect of distance error on phase was calculated via 5 array elements method, and the direction finding algorithm is analyzed.The antenna structural deformation is presented through gravity and wind load calculation. The phase error for case of theoretical distance and case of deformation are given ; Result of direction finding error caused by antenna deformation is also given. The paper puts forward a method for integral electric and mechanical analysis for direction finding antenna.

关 键 词：干涉仪 相位差 变形 误差 

分 类 号：TN82[电子电信—信息与通信工程]