一种稳健的循环时空波束形成算法  

A ROBUST CYCLOSTATIONARY SPACE-TIME BEAMFORMING ALGORITHM

作　　者：吕泽均[1] 肖先赐[1] 南建设[2] 甘建超[1] 

机构地区：[1]电子科技大学电子工程学院,成都610054 [2]中国电子科技集团公司第十研究所,成都610036

出　　处：《电子与信息学报》2003年第6期741-746,共6页Journal of Electronics & Information Technology

基　　金：国家部级基金

摘　　要：该文提出了一种新的基于信号平稳特性的自适应波束形成算法—稳健的循环时空波束形成算法。该算法在利用信号的谱相关特性的同时使用了多个时延,将波束形成技术从空域扩展到了时空域,弥补了空域信息的不足,充分利用了信号的循环统计信息和信号的时域特征,提高了信号的选择能力和对干扰、噪声的抑制能力。仿真实验结果验证了该算法的有效性和稳健性。This paper deals with the problem of adaptive array beamforming for cyclosta-tionary signals-a novel robust cyclostationary space-time beamforming algorithm. In this algorithm, multiple lag parameters and the spectrum correlation property are used to exploit the cyclic statistical information and time domain characteristics of signals sufficiently and effectively. Moreover, this method remedies the lack of space domain information, and it is an extension from space domain to space-time domain. Therefore the ability to select the desired signals and supress the noise and interfering signals is improved. The simulation results show the effectiveness and robustness of the algorithm.

关 键 词：自适应波束形成 阵列信号处理 信号平稳持性 循环时空波束形成算法 循环平稳 

分 类 号：TN911.7[电子电信—通信与信息系统]