子阵级ADL-MVDR自适应波束形成算法Adaptive beamforming algorithm based on ADL-MVDR at sub-array level
费晓,张贞凯,田雨波
摘要(Abstract)：
大型面阵的阵元数量较大,导致全自适应波束形成的计算量显著增长,通过子阵级波束形成则可以进一步降低算法运算量。研究常规面阵的非均匀子阵波束形成技术,在常规MVDR算法的基础上,引入自适应对角加载ADL技术,提出基于MVDR-ADL的子阵波束形成算法,避免栅瓣的产生,进一步抑制噪声的影响。仿真结果表明,所提算法在降低方向图旁瓣电平的同时,进一步减少了算法的运行时间。
关键词(KeyWords)： 子阵;面阵;旁瓣;自适应对角加载;波束形成;栅瓣
基金项目(Foundation): 国家自然科学基金项目(61401179);; 江苏省研究生科研与实践创新计划项目(SJCX17_0592)P~~
作者(Author): 费晓,张贞凯,田雨波
DOI: 10.16652/j.issn.1004-373x.2018.15.016
参考文献(References)：
- [1]NICKEL U R O.Subarray configurations for digital beamforing with low sidelobes and adaptive interference suppression antenna[C]//1995 IEEE International Conference on Radar.Alexandria:IEEE,1995:714-719.
- [2]杨小鹏,张宗傲,孙雨泽,等.基于罚函数和特征空间的子阵级自适应波束形成[J].北京理工大学学报,2016,36(5):541-545.YANG Xiaopeng,ZHANG Zongao,SUN Yuze,et al.Adaptive beamforming at sub-array level based on penalty function and function and eigen-space[J].Transactions of Beijing Institute of Technology,2016,36(5):541-545.
- [3]乔永雯,杨益新,孙超.子阵波束域自适应波束形成方法研究[J].船舶工程,2007,29(4):75-78.QIAO Yongwen,YANG Yixin,SUN Chao.Study on self-adapting beam forming in the sub-array beam[J]Ship engineering,2007,29(4):75-78.
- [4]赵红,刘桥.一种低旁瓣的子阵级数字波束形成方法[J].兵工自动化,2009,28(11):65-68.ZHAO Hong,LIU Qiao.Subarray digital beamforming method with a low sidelobes[J].Ordnance industry automation,2009,28(11):65-68.
- [5]葛佩,李明,刘翔.一种低旁瓣子阵级自适应波束形成方法[J].雷达科学与技术,2012,10(5):519-523.GE Pei,LI Ming,LIU Xiang.An adaptive beamforming method at subarray level for planar array with low sidelobes[J].Radar science and technology,2012,10(5):519-523.
- [6]曾操,陈昊,何学辉,等.相控阵子阵级和差多波束测角方法[J].西安电子科技大学学报(自然科学版),2013,40(1):19-25.ZENG Cao,CHEN Hao,HE Xuehui,et al.Monopulse angle estimation using sum-difference multi-beamforming based on the phasedarray at the subarray level[J].Journal of Xidian University(natural science edition),2013,40(1):19-25.
- [7]张小飞.阵列信号处理的理论和应用[M].北京:国防工业出版社,2014.ZHANG Xiaofei.Theory and application of array signal processing[M].Beijing:National Defence Industry Press,2014.
- [8]潘点飞,程乃平,郝建华.平面阵子阵级自适应波束形成方法研究[J].雷达科学与技术,2014,12(3):304-310.PAN Dianfei,CHENG Naiping,HAO Jianhua.Research on adaptive beamforming method at subarray level for planar array[J].Radar science and technology,2014,12(3):304-310.
- [9]朱承龙.基于子阵列的阵列发射波束形成方法研究[D].成都:电子科技大学,2015.ZHU Chenglong.Research on beam forming method at sub array level[D].Chengdu:University of Electronics Science and Technology of China,2015.
- [10]高杨,李东生.基于改良MUSIC和ADL-LC MV的自适应波束形成算法[J].探测与控制学报,2015,37(3):24-28.GAO Yang,LI Dongsheng.Adaptive beamforming algorithm based on modified music and ADL-LCMV[J].Journal of detection&control,2015,37(3):24-28.