超宽带多功能数字化相控阵雷达系统技术

*付林,唐霜天**(,210003):针对未来高威胁战场环境和复杂的作战使命要求,简要介绍了超宽带多功能数字化相控阵雷达系统技术,分析了影响其性能的几项主要技术,包括超宽带天线技术及波束控制技术宽带信号波束形成实现技术多功能多任务控制与调度技术数字TR技术和DBF技术,以及它们的实现途径:相控阵雷达;超宽带;多功能;数字化:TN958.92:A:1009-0401(2007)04-0001-04ThetechnologiesofultrawidebandmultifunctionaldigitalphasedarrayradarsFULin,TANGShuangtian(NanjingMarineRadarInstitute,Nanjing210003,China)Abstract:Tocopewiththefuturebattlefieldenvironmentofhighthrea,tandtomeettherequirementsofcomplexcombatmissions,thetechnologiesofultrawidebandmultifunctionaldigitalphasedarrayradararebrieflyintroduced.Somemajortechnologiesareanalyzed,whicharerelatedtoultrawidebandantennaandbeamcontro,lwidebandsignalbeamforming,multifunctionalandmultimissioncontrolandscheduling,digitalTR,andDBF.Theimplementationapproachesofthesetechnologiesarealsogiven.Keywords:phasedarrayradar;ultrawideband;multifunction;digitization1引言,,,,,,,,2系统功能与系统设计:,;,,,,;,,,,,,120074***:20071010:,,1975,,,,,;,,,,(DERA),XLK.M.Cuomo,L~SIFF,(VSR),,,TWS,,500km;,200MHz,1m,,,;,;,TR,IFF,,,IFF,,+IFF,,,,TRDBF,,3系统实现的主要技术,TR3.13,,:d!1+sin(),,,3,,,,,,,,,,,,f0,f0f0+∀f∀!f∀!=-∀ff0tan!B!B,,,,,,,,,3.2,220074,,,,,∀A0,,∀fmax∀(∀=1/∀fmax),()!B,,,:DDSD/AA/DFPGA,DDS/,,AN/FPS108,L,200MHzN∀A,,ii∀AN-1,∀A0∀A0-∀A∀!#f∀!#f=-∀ff0(1-∀A∀A0)tan!B,∀A=∀A0,∀!#f=0,N,,,,,∀f#,∀f#!110(∀A0-∀A),,[2,3],,,,DDS,,5m,50∃,0.5ns,100MHz,AD,,[4],,3.3:IFF,,,,,,,:%;%,,;%,;%,,;%;%,;%,,,3,,,;3.4TRDBFTR,TRTR1图1数字TR组件组成框图,DDS,DDST/R,T/R,,,,DBFDBF,DBF;,,/,,DBFAD1000FPGA500MHz,AD2GHz,8bi,tLVDS,DDR,DBF4结束语,,,:[1]DavidD.Curtis,CaptRyanW.Thomas,WilliamJ.Payne.32ChannelXBandDigitalBeamformingPlugandPlayReceiveArray[J].IEEE,2003,205210.[2],.[M].:,2001.[3],.[M].,2001.[4],..[J],2003,25(9):10721073.[5],..[J],2005,25(6):10071011.[6].[M].:,2006.420074