机载雷达地杂波仿真分析

,(,100094):;,:;;:TN959173:A:100920401(2002)0220011206AnalysisonGroundClutterofAirborneRadarbySimulationLUXiao2ying,HUANGHui2ming(BeijingInstituteofTrackingandCommunicationTechnology,Beijing100094,China)Abstract:Thecharacteristicofgroundclutterofairborneradarisanalyzedinthispaper.Accord2ingtothedifferentparametersthataffectthegroundclutter,suchastheairplanesvelocity,heightandtheanglebetweentheairplanesdirectionandthemainbeamofantenna,computersimulationismade.Keywords:airborneradar;groundclutter;simulation1,,,,,,,:,7090dB:,:2002204205:(1976-),,,,1993,,19971120022©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(1)(2),,,,,,,,1DdAdA=Rcos()ddRcos()=RdRd(1),R,(),dAdc=dAo()RdRd2120022©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),,,o:o()=sin,(570)RCS,dPc=PtGt(,)Gr(,)2o()LdRd(4)3R3(2),Pc,,Pt,GtGr,Lfd=2Va(cosDcoscos+sinDsin)(3)d=2VacosDsincosdfd(4),Va,fd,D,(2)dPcdfd=Pt3G2(,)o()LdR(4)3R32VacosDsincos(5)(3)sin=1-cos2=1-fd-2VasinDsin2VacosDcos2(6)(5),,dPc2,dPcdfd=Pt3G2(,)o()LdR(4)3R3VacosDcos1-fd-2VasinDsin2VacosDcos2(7)R,S(fd,R)=Pt3G2(,)o()L(4)3R3VacosDcos1-fd-2VasinDsin2VacosDcos2(8),(8)Rfd(8)3,31©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1):,o=o(),o=o(,):,(2):(10cm),,,:,,,(3)::(PRF),,,,,,,,,,,,:,,,,,,:,4120022©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(4),,4,,:(1)240459020345,,,,,,,,(DPCA)(2)5,3km6km10km,,,,(3)6,400km/h480km/h540km/h,,,51©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()::UHF:4kW:2115dB:300Hz4,,,:[1],1PD[M]1:,19891[2]1[M]1:,19981[3]WilliamC1Morchin1AirborneEarlyWarningRadar[M]1ArtechHouse,199016120022©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.