一种改进的波束空间自适应波束形成算法  

Improved adaptive beam-forming algorithm in beam-space

作　　者：张孟达[1] 朱子平[1] 岳玫君[2] 

机构地区：[1]中国电子科技集团公司第38研究所,合肥230088 [2]电子工程学院,合肥230037

出　　处：《空军预警学院学报》2014年第5期331-334,共4页Journal of Air Force Early Warning Academy

摘　　要：在数字阵列雷达中,自适应波束形成(ADBF)算法常被用来抑制副瓣干扰.针对当阵元数较多时ADBF算法运算量很大问题,采用子阵空间或波束空间的方法进行降维处理.通过引入部分自适应阵方法对经典波束空间自适应波束形成(A-ADBF)算法进行了改进,改进后的算法不仅具备波束空间和子阵空间算法的优点,而且更加适合工程实现.仿真结果表明,该算法能有效地在干扰方向形成零点.In digital array radar, the adaptive beam-forming （ADBF） algorithm is commonly used for suppressingthe side-lobe interference. In view of the large computation of ADBF algorithm while the number of arrayelements being great, this paper proposes a method of lowering the dimensions using the sub-array space orbeam space. By introducing partial adaptive array, the typical beam space ADBF （A-ADBF） algorithm is improved,and the improved one is not only of the advantages of the algorithm of beam space and sub-array space,but also more applicable for engineering implementation. Simulation results show that this proposed algorithmcan form a null point effectively in the direction of interference.

关 键 词：自适应波束形成 子阵空间 波束空间 干扰抑制 数字阵列雷达 

分 类 号：TN957[电子电信—信号与信息处理]