同步轨道共位卫星位置确定技术

·2012257ElectronicSci.＆Tech./July.152012—。。1975—。。121.4500472.27450015±0.1°。。。V443+.4A1007－7820201207－136－04PositionDeterminationforColocatedGeostationarySatellitesHUJuan1CHENWenquan21．DepartmentofElectronicandCommunicationEngineeringZhengzhouInstituteofAeronauticalIndustryManagementZhengzhou450047China2．The27thResearchInstituteofChinaElectronicsTechnologyGroupCorporationZhengzhou450015ChinaAbstractBycolocatedgeostationarysatellitesismeanttwoormoresatellitesplacedinthe±0.1°windowofthegeostationaryorbit．Thepaperintroducesthenecessityofcolocatedsatellitesinthegeostationaryorbitandtheprincipleofconnected-elementinterferometrymeasurement．Analysisofthemeasurementaccuracyofdeterminationpositionshowsthattheconnected-elementinterferometrytechnologycanmeettherequestofpositiondeterminationofthecolocatedsatellitesinthegeostationaryorbit．Keywordsgeostationarysatellitecolocatedsatellitesconnected-elementinterferometrysamebeaminter-ferometry“”、、、、、。200560km11201。。。“”、±0.1°2。208090ESAOlympus、3。19927。。1。、、。。、。CEI。CEI。DORθ631·。CEI。RrRr1r2。。1CEICEI、、、。CEI。CEI2ΔDORΔDOD。2CEICR1AR2A12R1BR2B12τc1、τc212τS1A、τS2A、τS1B、τS2BB12、τd1A、τd1B、τd2A、τd2B1、2A、B。12ρ1A、ρ2Aρ1A=R1A+CτS1A+τc1+τd1A1ρ2A=R2A+CτS2A+τc2+τd2A212ρ1B、ρ2Bρ1B=R1B+CτS1B+τc1+τd1B3ρ2B=R2B+CτS2B+τc2+τd24ADORADORA=ρ1A－ρ2A=R1A－R2A+cτS1A－τS2A+τc1－τc2+τd1A－τd2A5DORB=ρ1B－ρ2B=R1B－R2B+cτS1B－τS2B+τc1－τc2+τd1B－τd2B6ΔDOR=DORA－DORB=ΔRAB+cτS1A－τS1B－τS2A－τS2B+τd1A－τd1B－τd2A－τd2B7ΔRAB=R1A－R2A－R1B－R2B。α、β10°τS1A≈τS1BτS2A≈τS2B。ΔDOR≈ΔRAB7ΔDODΔDOD=dΔDORdt≈ΔR·AB820kmCEI70nrad7。。CEIGPS。1m。GPSCEI100km300nrad6。GPSCEICEI。SBI。4。SBICEI731·。±0.1°＜0.2°。。SBI。22.1100kmGPSCEICEIRlmxyzxyz=RlRmRn9l、m、n3R。9CEI102x+2y+2槡z=R2+2Rα2+2槡2RR槡α10RR50000kmαCEI。GPSCEI6300nrad。2m1mm＜10m。31.21m。2.2VLBI36prad5。VLBI。CEI。5SBI。、、、、、。、。36000kmCEI45°。C10m1s。GPS。GPSC30mm。GPS40mm。。5SBI1。1/mm0.0065/mm0.14/mm0.0997/mm0.01/mm0.18875/mm0.01/mm0.25579。、。err_relative_position=2xAB+2yAB+2z槡AB≈δR2AB+2R2AδαAB2+2ΔR2δα槡211xAByABzABA、Bxyz。2mδR1m。。δRAB=δRA－δRBδRAδRBA。RAAΔRABδαABSBIδα。100km45°δα300nradδαAB3.6nrad。RA50000kmΔR＜300m300m。CEISBI1.5m。10km10＜15m。141831Sn－58Bi·。3。。。。6%～8%5%。1．AlSn－58BiJ．20082911－4．2MILADGMARTINJ．Electrolessnickel/immersiongoldsolderabilityandsolderjointreliabilityasfunctionsofpro-cesscontrolJ．CircuiTree20001056－62．3．J．2005726－27．4．J．200635636－46．5．J．2009303檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪181－184．1383“”。CEI100kmGPS＜50m。SBIm。、。。1．GEOJ．2007338－41．2．J．1997373－80．3STTDENLA．M．．1999．4CATHERINELTHORNTONJSB．M．．2005．5FOLKNERWMBORDERJS．Orbiter－orbiterandorbiter－landertrackingusingsame－beaminteiferometryR．TaipeiTDAProgressReport42－1091992．6．GPSCEIJ．2003420－24．7THURMANSW．Informationcontentofasinglepassofphase－delaydatafromashortbaselineconnectedelementinterferometerR．TaipeiTDAProgressReport1990．8．BRTCEI．J．2004231檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪6－10．2012《》52－246141