阵列单通道轮采式快速高精度定位算法  

Fast High-resolution Passive Localization Algorithm Based on Single-channel Using Switch-antenna Array

作　　者：陈显舟[1] 陈周[2] 杨旭[1] 白琳[1] 方海[1] CHEN Xianzhou CHEN Zhou YANG Xu BAI Lin FANG Hail(Xi＇an Branch, China Academy of Space Technology, Xi＇an 710100, China China Petroleum Pipeline Engineering Corporation, Langfang 065000, China)

机构地区：[1]中国空间技术研究院西安分院,西安710100 [2]中国石油天然气管道工程有限公司,河北廊坊065000

出　　处：《现代雷达》2017年第8期49-53,共5页Modern Radar

摘　　要：基于随机理论和多级维纳滤波(MSWF)思想,提出了一种均匀圆阵列单通道快速高精度测向定位算法。该算法只用一个接收通道,与多接收通道相比,在系统成本和复杂性方面具有显著的优势,并且避免了通道间幅相不一致导致算法性能下降的问题。该算法无需对阵列接收矩阵进行特征分解,减轻了星上处理器的运算负担,星上高精度测向定位的实时性得到保证。仿真实验验证了该算法的可行性和有效性。A novel fast high-resolution passive localization algorithm with single-channel using switch-antenna uniform circular array based on the stochastic theory and multi-stage wiener filter（MSWF） is proposed. Compared with the multiple channels system,the single-channel system has lower hardware complexity and cost,and avoids the performance degradation problem as a result of the amplitude and phase inconsistent between the channel and the channel. The proposed method does not need the eigen-decomposition of large scale array covariance matrix,and reduces the computation burden of the on-board processor. The real-time performance of star ligh-resolution direction-finding is obtained. Numerical results are presented to illustrate the effectiveness and validity of the proposed methodology.

关 键 词：阵列单通道 测向 无源定位 运算复杂度 

分 类 号：TN911.7[电子电信—通信与信息系统]