Quantum technology have been exploited to increase the performance of classical devices in science and engineering fields,such as electronic information and computer technology.Radar,as a typical electronic information system,suffers more and more challenge in target detection,for the widespread applications of stealth and electronic countermeasure technology.The system models of target detection,and the related research advance of the combination of quantum technology and radar technique were overviewed.The basic concept,classification and typical instances of quantum radar system were introduced.The significant research progress of how quantum phenomena enhance the radar target detection performance was analyzed.Directions of future work including key technologies and main problems in the realization of quantum radar were presented.%量子技术与传统技术相结合以提升经典系统性能是近年来电子信息、计算机技术等众多科学领域研究热点。由于隐身和电子对抗技术的进步和日益成熟，雷达作为一类典型的电子信息系统，其目标探测受到了越来越多的挑战。从雷达目标探测角度出发，介绍了量子雷达的基本概念与分类、若干实现模型，重点剖析、归纳了量子纠缠等量子效应增强雷达目标探测性能的物理机理与研究现状，指出了量子雷达研究和实现中的关键技术与研究方向。
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