JTIDS信号对抗技术研究

:2003-07-25;2003-11-14:(1965-),,,JTIDS蔡晓霞,陈红,郭建蓬,王可人(解放军电子工程学院,合肥230037):JTIDS是一种旨在各种指挥控制平台及武器平台间交换监视与指挥控制信息以提高各兵种作战能力的通讯领航识别系统在分析JTIDS通信信号特点的基础上探讨了JTIDS对抗中使用的侦察干扰技术:JTIDS;对抗;侦察;干扰:TN975:A1,,,(JointTaticalInformationDistributionSystem,JTIDS)960~1206MHz,,921km,,,C4ISR,JTIDSJTIDS,JTIDS,2JTIDS2.17.8125ms,3.354ms,129,26s,6.4s,26s,19.6s;,13s,6.6s32200ns6.4s,3232chip0.2s,31m132M,,5bit(1),,JTIDS6.4s,5bit,0.2s,3MHz(MSK),10lg32/58dBJTIDS,,JTIDSDSDS,,,DS;,DS,,DS47,2004(4),DS,,2PSK:s(t)=d(t)c(t)cos(ct+0)(1),d(t);c(t);c;0,,n(t)J(t),:sr(t)=(2P)12d(t)c(t)cos(ct+0)+J(t)+n(t)(2),P,xy,Link16:图1DS信号相关检测x:x(t)=s(t)+J(t)+n(t)=(2P)12d(t)c(t)cos(ct+0)+J(t)+nx(t)(3)y:y(t)=s(t-T0)+J(t-T0)+ny(t)=(2P)12d(t-T0)c(t-T0)cos[c(t-T0)+0]+J(t-T0)+ny(t)(4):s(t)=(2P)12d(t)c(t)cos(ct+0)x,nx(t)x,J(t)x;s(t-T0)=(2P)12d(t-T0)c(t-T0)cos[c(t-T0)+0]y,ny(t)y,J(t-T0)y,,:x(t)y(t)=[(2P)12d(t)c(t)cos(ct+0)+J(t)+nx(t)]{(2P)12d(t-T0)c(t-T0)cos[c(t-T0)+0)+J(t-T0)+ny(t)}(5):x(t)y(t)=2Pd(t)c(t)cos(ct+0)d(t-T0)c(t-T0)cos[c(t-T0)+0)]+(2P)12d(t)c(t)cos(ct+0)J(t-T0)+(2P)12d(t-T0)c(t-T0)cos[c(t-T0)+0]J(t)+(2P)12d(t)c(t)cos(ct+0)ny(t)+(2P)12d(t-T0)c(t-T0)cos[c(t-T0)+0]nx(t)+J(t)ny(t)+nx(t)J(t-T0)+nx(t)ny(t)+J(t)J(t-T0)(6)(6),1,xy,,,;23,,,;45,,,;67,,,;8,,,;9,,,,,,,2.2(FH)JTIDS960~1008(48)MHz,1053~1065(12)MHz,1113~1206(93)MHz153MHz,3MHz(),153MHz517.8125ms,3.354ms129,(),,48,2004(4)129,(2)30MHz,26s,JTIDS26s,38461.5/s,10lg51=17.1dB51,图2JTIDS信号在三个时隙的示意图T1fT2FH,51,JTIDS,!!FFT,,,DSP,,51,JTIDS,JTIDSJTIDS,JTIDS,,JTIDS2.3,3.354ms,T1T24.4585msJTIDS300(550km),T22ms,,,T12.4585ms,()(3),JTIDS,,,,,,2.4JTIDS,,(TDMA),;(CDMA),,JTIDSTDMA,CDMA,,,,Link1612.8min,TDMA,64,12s,1536JTIDS,98304,A0B0C0~A32767B32767C32767,()128(1s),12,120,,64(12s),,()(),,49JTIDSJTIDS,JTIDS,(MultipleNetworks),JTIDS,(slot),TSEC,,TSEC,,(TSEC),Link16,(MultipleNetworks),(TSEC)(MSEC),Link16FightertofighterLink16,,Link16:()()()(MM/WC)()Link16(NPG)NPGLink16(,,EW)NPG,,,NPG(Multinet),JTIDS,,,JTIDS,,JTIDS,(StackedNets)(NPG)(Multinet)3JTIDSJTIDS,RS,,,,,JTIDS,JTIDS,,JTIDS,,,,JTIDS,JTIDS3.1JTIDS,JTIDS,,:,8dB17dB2~5dB2~3dB,JTIDS,JTIDS,JTIDS,,,,,,JTIDS50,2004(4)3.2∀#∀#,JTIDS,∀#JTIDSJTIDSP,JTIDS,,,/,/,TDMA,,,,,,,,,,,M,,M,,,M,,∀#JTIDS,,3.3JTIDS,,JTIDS,JTIDS,,,JTIDS,JTIDS,,,,,JTIDS,,JTIDS,,4JTIDSJTIDSCNI,JTIDS,JTIDS,JTIDS,JTIDS,(TDMA)(DTDMA)JTIDS,JTIDS∃:1WilsonJ.ApplyingLayeringPrinciplestoLegacySystems:Link16asaCaseStudy.2于全,陈迎锋.JTIDS系统干扰体制研究[J].系统工程与电子技术,2001(11).3张海翔.美军战术数据链系统的发展与应用[J].电子侦察干扰,2003(1).4WhiteBE.SystemSegmentSpecificationfortheMultifunctionalInformationDistributionSystemLowVolumeTerminal.27March1991.5徐穆询.对JTIDS的干扰[J].通信对抗,1995(3).51JTIDS