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183 Vol.18№.320096 ENGINEERINGOFSURVEYINGANDMAPPING Jun.,2009 WGS-8480———C、DGPS高永甲,臧登峰(兵团勘测规划设计研究院,新疆乌鲁木齐830002) :C、DGPS、GPS2000、,Bursa,WGS-8480。:WGS-84;80;;;;:P226+.3 :A :1006-7949(2009)03-0055-03TheconversionmethodandaccuracyanalysisbetweenWGS-84coordinatesystemandXi'an80coordinatesystem———BasedontheresultsofGPSnetworkoforderC.D.inXinjiangConstructionGroupGAOYong-jia,ZANGDeng-feng(ConstructionGroupDesign&PlanningSurveyResearchInstitute,Urumchi830002,China)Abstract:Basedonthetriangularcontrolpoints,GPS2000netjointpingpoint,andastronomicalpoint,thepaperaccomplishesthecalculationandaccuracyanalysisfromWGS-84coordinatesystemtoXi'an80coor-dinatesysemusingGaussianplanecoordinateconversionmodelandBursa7parametensconversionmodel.Keywords:WGS-84coordinatesystem;Xi'an80coordinatesystem;conversionmodel;conversionparame-ter;coordinateconversion;accuracyanalysis:2008-04-11:(1978~),,. GPS,GPS。GPS,WGS-84,WGS。1980,IAG-75,,WGS-84(X,Y,Z)(B,L,H)1980,GPS。GPS,1980,。1980(,),,GPS(1980)。1 WGS-84801.1 WGS-84 ,。,,(1980)。GPS,。,,CTS(ConventionalTerrestrialSystem)。,GPSWGS-84(Wor1dGeodeticSystem)。,GPS1984,1985。WGS-84:,z()BIH1984.0(CTP),xBIH1984.0CTP,y。WGS-84:WGS-84WGS-84,IUGG17。WGS-84::6378137±2(m),:1:298.257223563.WGS-8419541980,:,3,7。,73、31。1.2 19801975,“”,1975(lAG-75),。1980,a=6378140m,GM=3986005×108m3/s2,J2=1082.63×10-6,ω=7292115×10-11rad/s.IAG-75,。,1980、,。(7,10GPSC、D。GPS861,GPSC662,GPSD199)C、DGPS,WGS-841980。,x2y2=x0y0+(1+m)cosα-sinαsinαcosαx1y1.。,,,。GPS,Bursa,X1Y1Z1=dxdydz+0-ZYZ0-X-YX0ωXωYωZ+mXYZ+XYZ.:3[dxdydz]T,3[ωXωYωZ]T1m。2 7,114GPSC、D;2-GPSC、D;3、GPSC、D;4GPSC、D;5GPSC、D;6GPSC、D;7185、186、181、184GPSC、D。WGS-841980,GPS,24。,130GPS2000,154。:125;215;333;423;519;616;723。1。1 GPSBursa,:Bursa。Bursa,。WGS-841980。3 ,1980。:1)WGS-84X1,Y1,Z1;·56· 182)():3[dx dy dz]T,3[ωX ωY ωZ]T1m1980X2,Y2,Z2。X2=dx+(1+m)×X1-Z1×ωY+Y1×ωZ,Y2=dy+(1+m)×Y1+Z1×ωX-X1×ωZ,Z2=dz+(1+m)×Z1-Y1×ωX+X1×ωY.:3[dx dy dz]Tm;3[ωX ωY ωZ]Trad;1m。4 WGS-841980 。:1)V()=-。2)XxMX=±[vv]Xn-1,Mx=±[vv]xn-1. 3)YyMY=±[vv]Yn-1,My=±[vv]yn-1. 4)ZHMZ=±[vv]Zn-1,MH=±[vv]Hn-1. WGS-8419801。1 mxy1±0.023±0.031±0.039252±0.123±0.203±0.237153±0.135±0.160±0.209334±0.040±0.031±0.051235±0.058±0.081±0.100196±0.061±0.061±0.086167±0.136±0.134±0.19123Bursa,,C、DGPS1980。2。2 DXDYDZBYGT0.0320.0600.145TLKL-0.021-0.032-0.08010620.0200.030-0.0801100-0.054-0.0510.073WJHZ-0.0190.0340.051LUJA0.0190.0190.111HBXS0.0410.0920.123KLBQ-0.021-0.0410.210SCKD-0.051-0.044-0.074BKER-0.110-0.120-0.198GQTN-0.0210.0430.0925 Bursa,Bursa。,,,。,,WGS-841980。,、。[1].[M].:,1984.[2],, ,.80WGS-84[J].,2002,25(4):34-36.[3],.(CPS)[M].:,1996.[4],,.[M].:,2001:158-175.[5],.()[M].:,2002:148,65,63-80.[6] .[M].:,1988.[:]·57·3 ,:WGS-8480———C、DGPS
本文标题:WGS84坐标系和西安80坐标系转换方法
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