光控相控阵雷达光延时技术研究  

Optical controlled phased array radar technology

作　　者：李曙光[1] 薛峰[1] 

机构地区：[1]上海航天技术研究院第八〇四研究所,上海201109

出　　处：《航天电子对抗》2014年第1期29-31,46,共4页Aerospace Electronic Warfare

摘　　要：介绍光控相控阵雷达的基本组成，并提出可编程多通道光纤真时延迟网络结构。制作开关控制的3级光纤真时延迟线结构，实现并验证8个扫描角度的可编程波束成形延迟网络。以2GHz微波信号进行测试，三级延迟线通道间微波相移间隔分别为0．16π、0．32π、0．48π，通过开关控制与组合，实现0．16兀相移量的0～7倍连续可调。最后仿真计算形成的波束方向图。The basic composition of optical controlled phased array radar is introduced, and the structure of programmable fiber true time delay lines with multi-channel is proposed. 3-stage FDLs with DWDM and 2× 2 MEMS switches is achieved, and the programmable beam forming network with 8 steering status is demonstrated. The microwave phase shift with 0.16π, 0.32π and 0. 48π for the three stages is measured for 2GHz microwave source. By controlling the switches, 0 - 7 times for the basic phase shift 0. 16π is demonstrated. Finally, the antenna pattern is simulated.

关 键 词：光控相控阵雷达 波分复用 光纤真时延迟线 光控波束形成 

分 类 号：TN958.92[电子电信—信号与信息处理]