基于纠缠的量子雷达生存性策略及性能仿真  

The Strategy and Performance Simulation of Quantum Entangled Radar′s Survivability

作　　者：李旭[1] 聂敏[1] 杨光[1,2] 裴昌幸[3] 

机构地区：[1]西安邮电大学通信与信息工程学院,西安710061 [2]西北工业大学电子信息学院通信工程系,西安710072 [3]西安电子科技大学综合业务网国家重点实验室,西安710071

出　　处：《光子学报》2015年第11期144-148,共5页Acta Photonica Sinica

基　　金：国家自然科学基金(Nos.61172071;61201194);陕西省自然科学基础研究计划资助项目(No.2014JQ8318);陕西省国际科技合作与交流计划项目(No.2015KW-013)资助~~

摘　　要：为了研究量子雷达在不同干扰背景下的生存性,基于量子保真度定义了干扰等级,提出了探测光子的生存函数,并根据不同干扰等级下的量子损伤模型建立了量子雷达生存函数,分析了不同干扰等级与量子生存系数对量子雷达生存性的影响.仿真结果表明:若设定目标被探测到的点数为40,当干扰等级为2时,量子雷达的生存函数为0.9,干扰等级为6时,生存函数降到0.5;若探测环境中量子生存系数为0.9,生存函数可达0.9;而当生存系数降到0.5时,生存函数降为0.6.因此,量子雷达生存函数可以作为一种研究量子雷达生存性的依据,结合各种量子干扰对量子传输的影响,设定适当的参量,可以提高量子雷达的生存性和目标探测能力.In order to study the quantum radar′s survival performance in different quantum interference,the interference level was defined based on quantum fidelity,detected photon′s survival function was proposed.According to the quantum damage model of different interference level,the survival function of quantum radar was established.The influence of different level of interference and quantum survival factor on the quantum radar′s survivability was analyzed.The simulation results show that when the detected points of target is 40 and the interference level is 2,the quantum radar′s survival function is 0.9;when disturbance level is 6,the survival function decreases to 0.5.When the quantum survival coefficient is 0.9,survival function can reach 0.9.When survival coefficient dropped to 0.5,the survival function decreased to 0.6.The quantum radar′s survival function can be used as the basis of researching quantum radar survivability.According to the influence of various quantum interference and setting the appropriate parameters,the survivability of the quantum radar can be improved.

关 键 词：量子通信 量子纠缠 保真度 雷达 目标探测 

分 类 号：O413.3[理学—理论物理] O413.1[理学—物理]