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六端口技术在波达方向估计中的应用
方新田,张旭春,童创明,吴利楠
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(空军工程大学导弹学院，陕西三原 713800;空军工程大学导弹学院，陕西三原 713800;西安电子科技大学，西安 710071;空军工程大学导弹学院，陕西三原 713800;毫米波国家重点实验室，南京 210096)

摘要:

推导了六端口技术估计波达方向的基本原理，分析总结了4种基于六端口技术的波达方向估计系统，它们与其它波达方向估计系统相比，具有精度高、频带宽、结构简单等优点，具有重要的应用价值。

关键词: 六端口技术波达方向估计反射系数移相器

DOI：

基金项目:毫米波国家重点实验室基金项目资助（K200907）

Application of Six-Port Technology in Direction-of-Arrival Estimation

FANG Xin-tian,ZHANG Xu-chun,TONG Chuang-ming,WU Li-nan

(The Missile Institute,Air Force Engineering University, Sanyuan 713800,China;The Missile Institute,Air Force Engineering University, Sanyuan 713800,China;Xidian University, Xi′an 710071, China;The Missile Institute,Air Force Engineering University, Sanyuan 713800,China;State Key Laboratory of Millimeter Waves, Nanjing 210096,China)

Abstract:

The basic principle of estimating diretion-of-arrival(DOA) with sixport tech nology is d e duced,and four DOA estimation systems based on sixport technology are a nalysed and summarized. Compared with other DOA estimation systems,the systems b ased on sixport technology have such merits as high accuracy,wide bandwith and simple structure,which indicates that they have very important application valu es.

Key words: six-port technology DOA estimation reflection coefficient phase shif ter