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1、ShenzhenplaneMetroLineGPSControlNetworkandAccuracyAnalysis[Abstract]TheShenzhenMetroLineacomprehensiveintroductiontoGPShorizontalcontrolnetworkthelayoutoptions,includingGPScontrolnetworkTechnologydesign,fieldobservation,thebaselinevectorsolver,controlnetworkadjustmentandprecisionanalysisan
2、dreliabilityoftheinspection.AtthesametimeonthemetroGPShorizontalcontrolnetworkissuesrelatingtotheestablishmentofsomesuggestions.[Keywords:]baselinevectorsolver;networkadjustment;accuracyofanalysis;reliabilitytest1anoverviewoftheShenzhenMetroaircraftShenzhenMetroLineprojectbeganwiththeiniti
3、alconstructionlinesHonglingRoadstation,stopatLongXingStreetStation,alongtheroutethroughtheregionbytheeastgateofLuauDistrict,water,shellfish,PoSamArea,LongingDistrict,Fujitown,Hengyangtown,LongingTown,LongingCentralCity,and.Linelengthis32.91km,whichplacesofftheassemblylinelength692km,overhe
4、adwirelength25.71km.Acrosstheboardestablishedatotalof21stationsandadepot,inwhichclothheartHonglingRoadStationtoStation6stationsforundergroundstations,FujiStreet,TaiKookTzu,theJointInspectionStationtoStation14forhighstations,TongHangsemi-undergroundstation.TheprojectislocatedinSpecialEconom
5、icZoneacrosstheboard,especiallyinsomeofHonglingRoadofftheassemblyline-Lao,Cai-EastGateRoadthreepointsfromthetwodistricts,downtowncommercialareathroughtheEastGateStreet,skyscrapers,streetsarenarrowwithheavytraffic,urbanradiointerferenceseriously,toGPSmeasurementdifficult.2GPSControlNetworkD
6、esign2.1TheprincipleofclothNetwork GPSControlNetworkforthisprojectunderthe"undergroundrailroad,lightrailtrafficengineeringmeasurementstandards","CitySurveynorms"and"GlobalPositioningSystemTechnicalSpecificationforUrbanSurvey"intherelevanttechnicalrequirementsoffabricnetwork.GPSnetwork
7、waszonaldistributionalongthesubwayline,usingedgeconnectiontypeStructurenetworkusedbythegeostationaryearthquadrilateralortriangularmeshcomposedofnetworkoverlapofthefourcitieswithinthesecondcontrolpoints,andincludingthepointofconvergence,includingthecontrolofnet
