雷达科学与技术2025，Vol.23Issue(1)：92-100,9.DOI:10.3969/j.issn.1672-2337.2025.01.010
多波束环形频控阵零陷形成方法
Null Formation Method of Multi-Beam Annular Frequency Diverse Array
摘要
Abstract
To address the issue of high sidelobes at directional positions in point-to-point communication using an-nular frequency diverse arrays(FDA),a multi-beam annular FDA null formation method is proposed.Considering the difficulties in realizing an ideal annular array structure,the method approximates an annular array by combining multi-ple linear arrays.However,the inherent arc structure of the annular array will cause beam distortion,which is corrected by using the phase compensation scheme.To resolve the problem of high sidelobes at directional positions in point-to-point communication,the multi-frequency carrier signals and linear constrained minimum variance(LCMV)method are introduced into the improved beamforming optimization of the annular FDA.By expanding the LCMV constraint matrix with multi-frequency carrier signals and employing an improved two-dimensional LCMV beamforming method in the range-angle domain,nulls are formed in the desired regions.The effectiveness of this method is validated through a sets of simulation examples.关键词
频控阵/环形阵列/多波束/零陷/波束形成Key words
frequency diverse array/annular array/multi-beam/null/beamforming分类
电子信息工程引用本文复制引用
裴昶宇,徐伟,黄平平,谭维贤,高志奇..多波束环形频控阵零陷形成方法[J].雷达科学与技术,2025,23(1):92-100,9.基金项目
国家自然科学基金(No.62071258,U22A2010) （No.62071258,U22A2010）
