任意通道数超分辨测向算法  

Super-resolution direction finding algorithm for arbitrary number of channels

作　　者：李竞翔[1] 赵亮[1] 葛宪生[1] 赵良羽[1] 孙中森[1,2] 

机构地区：[1]中国电波传播研究所,山东青岛266107 [2]电子信息系统复杂电磁环境效应国家重点实验室,河南洛阳471003

出　　处：《电波科学学报》2013年第4期771-774,共4页Chinese Journal of Radio Science

基　　金：国家重点实验室开放课题(CEME E2012K0106B);国家科技重大专项课题(2010ZX03006-002)

摘　　要：提出了一种可适用于任意通道数的超分辨测向算法.通过多路开关切换实现对协方差矩阵的测量,进而重新构造了天线阵列导向矢量,实现超分辨测向.当前的算法只能用于通道数等于1或天线阵元数的情况,新算法突破了该限制,拓展了超分辨测向算法的适用范围.对算法进行了详细的理论推导.计算机仿真结果表明该算法性能优于单通道算法,接近经典测向算法.A super-resolution direction finding algorithm for arbitrary channel num- ber condition is proposed. Switching to measure the covariance matrix by multiplex switch, and then reconstructs the array steering vector, to achieve super-resolution direction finding. The current algorithm can only be used for the channel number which is equal to 1 or the number of antenna array elements. The new algorithm o- vercomes the limitation, expanding the scope of application of the super resolution direction finding algorithm. The algorithm is deduced in detail. The results of com-puter simulation show that this algorithm is better than the single channel algo-rithm, close to the classical algorithm for direction finding.

关 键 词：超分辨测向 任意通道数 天线阵列导向矢量 

分 类 号：TN971.1[电子电信—信号与信息处理]