1822023RadioEngineeringVol.53No.1doi:10.3969/j.issn.1003-3106.2023.01.024引用格式:王东杰,梁晓东,张磊,等.环境自适应相位噪声抑制的光载时频传递技术[J].无线电工程,2023,53(1):182-187.[WANGDongjie,LIANGXiaodong,ZHANGLei,etal.Time-frequencyTransferoverFiberTechnologyBasedonAmbientAdaptivePhaseNoiseSuppression[J].RadioEngineering,2023,53(1):182-187.]环境自适应相位噪声抑制的光载时频传递技术王东杰1,2,梁晓东2,张磊1,2,刘彦丹1,2,于文琦1,2,邢贯苏1,2,李少波1,2,罗青松2(1.中国电子科技集团公司第五十四研究所,河北石家庄050081;2.河北省光子信息技术与应用重点实验室,河北石家庄050081)摘要:高精度、高稳定、高可靠的时间频率基准在导航定位、测量测控和协同组网等军民应用领域有着重要应用。基于光纤链路的时频传输能够有效突破传统微波链路精度低的技术瓶颈,而静态或动态的温度、振动等环境变化将引起传输光信号的相位抖动。高精度相位稳定纠正通常借助于比例-积分-微分(PID)反馈控制来实现,但常规PID存在参量不可在线调整、稳定性差等缺陷,尤其是瞬态强变化将导致系统难以工作。创新性地提出了一种基于单神经元的自适应PID控制器,实现了高精度光载时频传递的主动控制,通过自主在线学习可实现对环境变化的自适应纠正,恢复时间小于40个控制周期。关键词:光载时频传递;微波光子;环境自适应PID控制;相位噪声抑制中图分类号:TN252文献标志码:A开放科学(资源服务)标识码(OSID):文章编号:1003-3106(2023)01-0182-06Time-frequencyTransferoverFiberTechnologyBasedonAmbientAdaptivePhaseNoiseSuppressionWANGDongjie1,2,LIANGXiaodong2,ZHANGLei1,2,LIUYandan1,2,YUWenqi1,2,XINGGuansu1,2,LIShaobo1,2,LUOQingsong2(1.The54thResearchInstituteofCETC,Shijiazhuang050081,China;2.HebeiKeyLaboratoryofPhotonicInformationTechnologyandApplication,Shijiazhuang050081,China)Abstract:Highprecision,highstabilityandhighreliabilitytime-frequencyreferencehasimportantapplicationsinmilitaryandcivilianapplicationfieldssuchasnavigationandpositioning,measurementandcontrol,collaborativenetworkingandsoon.Time-frequencytransmissionbasedonopticalfiberlinkcaneffectivelybreakthroughthetechnicalbottleneckoflowprecision...