上海VRS網(wǎng)中坐標(biāo)轉(zhuǎn)換的研究與應(yīng)用.pdf

1、同濟(jì)大學(xué)土木工程學(xué)院碩士學(xué)位論文上海VRS網(wǎng)中坐標(biāo)轉(zhuǎn)換的研究與應(yīng)用姓名：邱楊媛申請學(xué)位級別：碩士專業(yè)：大地測量學(xué)與測量工程指導(dǎo)教師：王解先20080101AbstractABSTRACTWiththeconstructionofvariousContinuouslyOperatingReferenceStation(CORS)，thenetworkRTKconsistingofmultibasestationsappearsandrav

2、eloutthelimitationsoftranditionalRTKtechnique，whichincludingsomeshortcomingsoferrorincreasingalongwithdistance，dependabilityandfeasibilitydebasingwithbaselineincreasinglimitationofdatatransmissionmethodsBecauseoftheadvan

3、tagesoffargoingoverlayhighpositioningprecisionanddependabilityVRStechniqueisbecomingoneofthemostpopularnetworkRTKtechniquesItisakindofGPSreal—timekinematicpositioningtechniquewhichmakesuseoforiginaldataobservatedbymulti—

4、basestationstosimulateasetofreferencestationdata(includingreferencestationcoordinateandGPS‘冀llTierphaseobservationdata)meal“roverstationConsequentlyVRSiscarryingoutthesimulationandreconstructionofreferencestationdataandr

5、ealtimelyprovidinghighprecisionnavigationinformationShanghaihasalreadyestablishedVirtualReferenceStationnetworksystemcoveredwithnineGPSbasestationsDuetotheVRSpositioningresultsbelongingtoWGS84coordinatesystemandthetopsec

6、recyoflocalcoordinatetransformparameters，projectioncenterandotherimportantinformation，thispapermainlyresearchesthethetransformofWGS一84andlocalplanecoordinate，therealizationofserialportcommunicationbetweenGPSandPDAwhichba

7、sedonWindowsMobile50，thesokectnetworkcommunicationbasedonTCP／IPOnthebaseoftheseresearches，asetofcoordinatetransformservicesystemisdesignedwithapurposeofreal—timelyobtaininglocalcoordinatescalculatedbyserverthroughwireles

8、sinternet(CDMA／GPRS)。Throughthecontinualdesignandexperimentofconnection，clientvalidationanddatatransmissionbetweenserverandclient，thissystemissuccessfultoachievedatatransmissionandreceptionsafelyandstablyThispaperprogram