常用大地坐标系的分析比较

256200511HYDROGRAPHICSURVEYINGANDCHARTINGVol125,No16Nov1,2005:2005205210:(19562),,,,GPS(92899,315200):,:;;;:P226+13:B:167123044(2005)06200712041,,,,:1954(),19801954(),2070,,:1978(DX-1)1988(DX-2),1984(WGS84)(ITRS),GPS2211,,:(1);(2);(3);(4),,21221211195419541942,,1942,,19541954::a=6378245m:f=129813::b=6356863101877m,19541954:;,80%5m,5m,10m,1219m,15,011mm2121219801980(GDZ80)1980©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(1),1980(2)1980,(3)19751,,(4)1980JYD196810,(5)1980:;;;,;19563311,,(CIO),,,,,,,,,,,,,,:(1);(2);(3);(4),,,312312111972(WGS72)WGS72WGS72EGM(1972)WGS7219782GPS,WGS721987,GPSWGS84197821987GPSWGS72,1987GPSWGS84312121984(WGS84)WGS84,,Z1984,X1984,YZXWGS84,NSWC9Z-2,31213(ITRS)(ITRS),(IERSConventions,1996):;m(SI),;27'1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(ITRF)(IERS),,,,,,GPSITRFA(30)B(800)GPSITRFITRF,,,,285BGPS,200km,,21:,(19781988),(19541980())313313111978(DXZ78)197811,1954,()DX-1,DX-1,1978(DXZ78)1978DX-1(XYZ)DX-1,DX-11954DXZ78313121988(DXZ88)19791985,,198037,19801982(WDC),1985,,,5,,,1988DX-2,195419801988DX-21988(),ZBIH1968CIO(),XBIH1968mDX-234:(1)MX-1502NNSS(37);(2)(WDC,7);(3)(1980(GDZ80))DX-27(3)(3)(1)DX-2DX-254DX-280,BJZ54GDZ801988(DXZ88),DXZ88NNSSGPSWGS844,,,,,,411,,41111:;,;37'1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,,:;;:;:xk=0,yk=0:,xk=XX00000,yk=X0000041113(1);,,;(2);(3);(4),;:,0,41114(1),;(2),;(3),,,;(4),,41115H0,:H0=H0+0,0,,041116(E0),,E0,,5,,195419801954()WGS84ITRF,,,,:[1].[M].:,1986.[2],,,.GPS[M].:,1997.[3].GPS[M].:,2002.[4],.[M].:,1993.[5].[M].:,1990.[6].GPS[M].:,2001.AnalysisandComparisononGeneralGeodeticCoordinateSystemsXUJia2kun(92899Troops,Ningbo,Zhejiang,315200)Abstract:Thispapersummarizesseveralkindsofgeneratingmethodsforgeodeticcoordinatesystemindailysurveyingwork.Itgivesawholeviewofthedevelopmentandstatusofgeocentriccoordinatesystem,ellipse2centeredcoordinatesystemandworldgeodeticsysteminChina.Keywords:geodeticsurveying;geodeticcoordinatesystem;ellipse2centeredcoordinatesystem;geocentriccoordinatesystem47'1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.