执行2009版_全球定位系统_GPS_测量规范_若干问题的研究_谭世波

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38320153GEOMATICS&SPATIALINFORMATIONTECHNOLOGYVol.38No.3Mar.20152014-01-221971-。2009《GPS》1211.8300172.430079《GPS》GB/T18314—2009、、GPS。GPSGPSP228.4A1672-5867201503-0095-03ResearchonSomeProblemofExecutingSpecificationsforGlobalPositioningSystemGPSSurveys-2009EditionTANShi-bo12WANGWen-bin11.XinjiangGeologicalMineralSurveyingandMappingInstituteUrumqi830017China2.WuhanUniversityStateLaboratoryofInformationEngineeringinSurveyingMappingandRemoteSensingWuhan430079ChinaAbstractCombinedwiththedifferentunderstandingsofthetechnicalstaffintheimplementationofGB/T18314-2009specifica-tionsforglobalpositioningsystemGPSsurveys.Toexplorethetheoreticalanalysisanddiscussiononthepracticeofthestandarddeviationofbaselinesurveyloopclosurestandarddeviationofbaselinecomponentscometoconclusionthespecificationcangetabetterimplementation.KeywordsGPSspecificationreceivernominalaccuracystandarddeviationofbaselinesurveystandarddeviationofbaselinecom-ponentsloopclosureGPSnetworkadjustment0GB/T18314—2009《GPS》4。、、、、、、、、DEGPS1、、、。。。12001σ=a2+b×d×10-6槡21ab。12.2.5σGPS1。GPSA+B×DABppmDS823mm+1ppm×D、5mm+1ppm×D。σEGPS。1σabAB“”。。GPS。dXdYdZdBdLdH、。GPS、26.3.1m0=±A+B×D2GPSσ2。EGPS3kmσ=3+1×3=6mmσ=5+1×3=8mmσ=σ2+σ槡2=10mm3。1σ=9+槡9=4.2mm。σ。GPSnmn+m“”n+m“”。n“”σ。2Wx=Wy=Wz槡35σ1σ=4.2mmWxWyWz1.5mm3σ=10mmWxWyWz3.5mm310mm。“”“”。GPS、。GPS。3GPS。3GPSLXL^。GPS。LL^。XYZ。1。1Fig.1PointinspacediagramofthecartesiancoordinatesystemXOYXOZBLH。D、20mm40mm45mm5km1/1111115.2.3D1×10-5。5.2.22。ΔxΔyΔzΔxΔyΔzXYZ。XY、ZXYZZ1。XYZδxδyδzδ2s=δ2x+δ2y+δ2z692015δ2s=δ2+δ2。2δ=δ2s/槡5δ=2δ2s/槡5。EGPScosaGPSCGCS20001。1Tab.1BaselinecomponentsandresidualerrorcalculationV_DXcmV_DYcmV_DZcm1-0.14-0.46-0.7720.56-0.66-1.0730.3-0.46-0.44-0.020.580.225-0.320.881.126-0.821.571.7170.15-0.72-0.488-0.51.111.319-1.20.41.4410-1.363.482.6511-1.981.263.34120.08-1.09-0.8813-0.91.462.314-0.521.081.0715-0.80.812.04160.020.14-0.02170.050.440.22180.01-0.90.3719-0.2100.5320-0.182.111.64210.98-0.21-1.3422-0.10.920.8623-0.160.730.6724-0.210.340.2925-0.981.732.5926-0.881.331.5927-0.141.340.7228-0.360.560.58291.56-1.36-2.3130-0.260.790.57311.57-1.56-2.732-0.862.873.04330.29-1.76-1.57341.26-1.67-2.62351.17-3.58-2.2836-0.2-0.11-0.11370.40.290.49380.67-2.27-2.180.771.421.60δs=0.772+1.422+1.60槡2=1.95cmδ=9mmδ=18mm。4GPS10mm20mm。3σ=10mmVΔXVΔYVΔZ3σ。dvΔXdvΔYdvΔZ“≤2σ”≤槡12σ4。3σ=10mmGPS1~3。“≤2σ”。GPS。6GPS。5CGCS2000CGCS2000GPS。、。。。1.GB/T18314—2009GPSS.2009.2.GB/T16818-2008、S.2008.3.GB/T14911-2008S.2008.4.M.2003.5.GPSM.2005.6.GPSJ.2009344103-104.7.J.200339-11.8.TrimbleGeomaticsOfficeJ.200634745-47.7932009《GPS》

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