微波光子成像雷达技术发展综述

Overview of Microwave Photonic Imaging Radar Technology

随着隐身化、无人化以及微型集群化目标的快速发展,精确获取目标形状和形态的情报需求,对微波成像雷达提出了大带宽和多频段的现实要求。得益于微波光子技术的低相噪、大带宽、宽调谐等显著优势,微波光子成像雷达技术已得到快速发展。本文对微波光子成像雷达研究现状进行了总结,对其典型系统架构和主要工作原理进行了研究分析,进一步结合系统能力优势给出了主要应用方向和相关成像实验结果,最后提出了进一步发展仍需解决的问题。

Along with the rapid development of stealth,unmanned or microcluster targets,the extraction of precise information about their shapes or morphology information impose provides the large bandwidth and multiband requirements on microwave imaging radar.Benefiting from the significant advantages of microwave photonic technique,such as low phase noise,large bandwidth and excellent tuning capabilities,great progress has been made in microwave photonic imaging radar techniques.The research status of microwave photonic imaging radars is summarized and their typical system architectures and principle are analyzed.Then the main applications and relative imaging results of these systems according to the ability advantages are showed.Finally,the issues that still need to be resolved for further development are discussed.