重庆大学学报2017，Vol.40Issue(7)：72-81,10.DOI:10.11835/j.issn.1000-582X.2017.07.010
大口径宽带数字延时相控阵天线
The large aperture wideband phased array antenna
摘要
Abstract
In contrast to narrow band phased array antenna,spatial dispersion and time dispersion are two dominant issues faced by the large aperture wideband phased array antennas.In this paper,the integral structure design of the subarray and digital delay filter was adopted.Firstly,the large aperture array was divided into a number of smaller size subarrays,and each of them was considered as a traditional narrow band phased array.Then,the beam forming between the subarrays was realized through digital time delay filter.After subarray partition,delay filter design in time domain was described and analyzed.Simulation results of time delay filter validate the correctness of the proposed filter design.Furthermore,system simulations prove that the hybrid structure with subarray and delay filter is able to overcome the spatial dispersion and time dispersion problems.关键词
宽带相控阵/大口径天线/波束形成/数字延时滤波器Key words
wideband phased array/large aperture antenna/beamform/digital time delay filter分类
信息技术与安全科学引用本文复制引用
代才莉,曾浩..大口径宽带数字延时相控阵天线[J].重庆大学学报,2017,40(7):72-81,10.基金项目
重庆市教委科学技术研究资助项目(KJ1602903),中央高校基本科研业务费资助项目(106112016CDJZR165508).Supported by Science Technology Research Project of Chongqing Municipal Education Commission Project (KJ1602903) and the Fundamental Research Funds for the Central Universities (106112016CDJZR165508). （KJ1602903）
