高频地波雷达的阵列互耦校正  

Array mutual coupling calibration for HFSWR

作　　者：龙超[1] 吴雄斌[1] 柯亨玉[1] 徐全军[2] 

机构地区：[1]武汉大学电子信息学院,湖北武汉430072 [2]总参气象水文局,北京100081

出　　处：《华中科技大学学报（自然科学版）》2012年第9期1-5,共5页Journal of Huazhong University of Science and Technology(Natural Science Edition)

基　　金：国家自然科学基金资助项目(60571065);国家高技术研究发展计划资助项目(2012AA091701)

摘　　要：针对分布式高频地波雷达(HFSWR)的工程应用,研究了基于自适应混合算法(AHA)的阵列无源校正方法.该方法将阵列误差估计问题转化为多元参数的联合估计问题,利用改进的混合算法得到了该优化问题的最优解估计.利用海洋回波校正了分布式高频地波雷达阵列幅相误差之后,将该方法应用到雷达系统的阵列互耦误差校正.仿真和现场实验实测数据的分析表明,该方法对空间谱算法性能的改善十分明显,验证了其有效性.A passive array calibration method based on adaptive hybrid algorithm（AHA） was proposed for the applications of distributed high frequency surface wave radar（HFSWR）.The approach converted array error estimation into a joint estimation of multiple parameters which were obtained by using AHA.After the array amplitude and phase calibration of distributed HFSWR by ocean echoes method,AHA method was applied to the array mutual coupling calibration of HFSWR system.The simulation and field experiment results show that the method can effectively improve the performance of spatial estimation algorithm,but the stability of proposed algorithm needs further studied.

关 键 词：高频地波雷达 自适应遗传算法 阵列互耦校正 阵列幅相校正 参数估计 海洋回波 

分 类 号：TN911.7[电子电信—通信与信息系统]