高精度GPS控制网的优化 设计研究

GPS20090601GPSGPSGPSGPS(1)GPSGPS(2)GPSGPS(3)(4)GPSGPSGPSGPS(5)GPSGPSGPSP2284P221ABSTRACTWith the development of our social economy in recent yearsGPS positioningtechnique has been widely used in establishing many kinds of control networksTheresearches of block adjustment supposed by the GPS data have acquired excitingachievementBecause of hiefficienthi-precisionno distance limitationa11weather operationhighly automated and SO onthe technology of GPS positioning isused in the security monitoring of highwaysOptimization method is a branch of applied mathematics the modem timesis tostudy the discipline may choose one kind of the most rational scheme in the scheme toreach the optimum target from possessionsUnder the control of net meshing beingunder construction is designedpart being entire meshing theoryThe target thatmeshing designs ought to satisfy various call forbeing that accuracylocation aresuitable to lofting among them mainlycoordinating net arrangement of ideasmeshingcost being under constructionstabilizingbuilding and SO onThe reseach jobs in this paper are briefly introduced as follows(1)Analysis of the use of GPS positioning methods and the basic concept ofmeasuring the type of summary view GPS measurement error sourc,esand proposecorrective measures(2)Analysis of the reliability of GPS network in the research and analysis of grosserror exists between the concept of measuring the relevance of a stronggross errorcontentand various types of gross errorssuch as at the same time there is the basis ofthe main features of GPS control network observation data to optimize the research andexamples of verification(3)Number of different baselines or different edge-to-control network baselinequalityAnd examples of proof-shaped control network based on the optimization of thefeasibility and effectiveness of the design(4)Residuals on theory,analysis of gross error on the residual impact and thereliability of GPS network decision factor,derived by summing up the GPS networkreliability indicatorsincluding the GPS baseline vector components of the redundantobservationsthe internal reliability and external reliability indexthe correlationanalysis based on the reliability of the GPS network theory(5)Summed up to improve the reliability of GPS control network of measuresbased on observation of Optimal Design of redundant ideasAnd take for an examplesKEYWORDSGPSControl NetworkGPS net adjustmentReliabilitySensitivitymethods of deployment of networksOptimal Design of Control NetworkCLASSN0P2284P22 1111111112lOO1882fjn1701977197912159(SSGl59)19805471(SSG471)1) 2) 3) 4) 1987SSG471GPS113(GPS)GPS880(NGS)(USCG)(FAA)wS(USACE)137250100-200GPSGIS1992700GPS30GPSGPS100GPS401200GPS30GPSGPSGPS114GPS1991-1997GPS534()GPS19915-19921199234446803xlOGPS19921993199419951997150534lxlOGPS ABAB19911996818GPSA276502xlO7xlOB81815010050-70B012m02m4xlO18xlO()2556GPS1000GPS260(lO)2000235100021GPS1992GPSGPS1998GPS12 6PSGPS21(1)GPS10-61071010GPSGPSlmm(2)GPS20km1520rain15km1- 2min12minGPS(3)NGPS(3000,-50)(4)GPSGPS(5)GPS4GPS()GPS(6)GPSGPSGPSGPSWGS84(7)GPSGPSGPSGPS131-1Figl-I the quality ofthe leverage model(11)l2345GPSGPSGPSIGPSAPQGPSAQGPSAAQPGPSGPSGPSGPSPGPSGPSGPSGPS14 GPSGPS4GPS3GPSGPSGPS(G