第52卷第6期测绘学报Vol.52,No.62023年6月ActaGeodaeticaetCartographicaSinicaJune,2023引文格式:王潜心,胡超,王泽杰.顾及载体航向约束的单站BDSG3相位测速模型[J].测绘学报,2023,52(6):871G883.DOI:10.11947/j.AGCS.2023.20220355.WANGQianxin,HUChao,WANGZejie.SinglestationvelocitydeterminationofBDSG3carrierphaseobservationswiththeconstraintsofheadingangle[J].ActaGeodaeticaetCartographicaSinica,2023,52(6):871G883.DOI:10.11947/j.AGCS.2023.20220355.顾及载体航向约束的单站BDSG3相位测速模型王潜心1,胡超2,王泽杰11.中国矿业大学环境与测绘学院,江苏徐州221116;2.安徽理工大学空间信息与测绘工程学院,安徽淮南232001SinglestationvelocitydeterminationofBDSG3carrierphaseobservationswiththeconstraintsofheadingangleWANGQianxin1,HUChao2,WANGZejie11.SchoolofEnvironmentandSpatialInformatics,ChinaUniversityofMiningandTechnology,Xuzhou221116,China;2.SchoolofSpatialInformaticsandGeomaticsEngineering,AnhuiUniversityofScienceandTechnology,Huainan232001,ChinaAbstract:Velocityinformationisoneofkeystaterepresentationsofthevehiclemotion.ThehighGaccuracyandreliablevelocitybasedonBDSG3observationistherequirementsofBDSG3highperformance.ToovercomeimpactsoferroraccumulationandobservationenvironmentonthetraditionaltimeGdifferencecarrierphase(TDCP)model,asinglestationvelocitydeterminationofBDSG3carrierphaseobservationswiththeconstraintsofheadingangleisproposed.Firstly,thedifferentialfunctionoftheundifferencedobservationequationisconstructedbesidethetraditionalBDSG3TDCPmodel,whichiscombinedtosimultaneouslyestimatethedisplacementincrementoftwoadjacentepochs.Secondly,thecorrelationbetweendisplacementincrementsofhorizontalplaneandheadingangleisusedtoconstructtheconstraintsofNandEdirections.Thirdly,thecombinationofthreegroupsofindependentfunctionequationsisusedtoobtaintheincrementaldisplacementofvehicleepochbyepoch.Accordingtostaticandkinematicexperiments,itisindica...