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25220053HYDROGRAPHICSURVEYINGANDCHARTINGVol125,No12Mar1,2005:2005201211:(19542),,,,,,1,2,1,2,3,4,3(11,;21,100083;3191561,510320;41,430079):;,;,,:;;;:P229:A:167123044(2005)02200012051,,[1];,,,[2,410],,1m,5cm,(),,,,,,,DGPS,2,:(1);(2);(3);(4),,;(5),,3(1):(1);(2);(3);(4),,GPS,,(x,y),11954:X54=xp+ysinT,Y54=yp+xsinT(1),T;xpypGPS1954©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.();;GPS;(/);;/;;GPS;;;;;;;;1311(T2)(T1),2,1500m/s,V,d=S/2,H2(T2),H1T1,T1T2,H1H2,()P2P3,()T1H2(T2T1,),2P1P2P3,H1=P1P2,S=2P2P3,:H1=H22-S22(2)S=Vt(3)t=H1+H215002H21500(4)H1=H22-H21500V2=H21-11500V2(5)d=H22-H21=Vt/2=VH21500(6),:d=H2sin2(7)30kn75m,0177m,0101m,30kn75m,,(5)(6),(6)(7)():V=1500tan2(8)12,(8)157166m/s,306kn,,,,,,,(,)2312:GPS();,3,L1,A1,GPS,s,A2,V,()V10kn,011s,:V=1018523600012=1103(m)2'1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(A)(B),L2,L1A1B1,1m,,2m,,3AB,:x=0,y=V(9)313GPSGPS1m,2m,44A,B,:x=Ssin,y=Scos(10),S;314,GPS,5GPSL,H,,S,h,P1P2P3,:P1P3=L+H(11)S=P1P3sin=(L+H)sin(12)P1P2=P1P3cos=(L+H)cos(13)h=P1P3-P1P2=(L+H)-(L+H)cos=(L+H)(1-cos)(14)4(A)(B)()52571015,(12)(14)2,7,20m,3m,012m,,,,[6,7]3'1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()571015ShShShSh501870104112201071173011521590134101131010611830111216001233188015120211801103104011941340138614701853031050113412701266108015391061119403192011751480134718101681116511535041800121617001419155018414124118775619801309175016013189112120171217310091160140121800178181231160271183158L=5m,m315,,GPS,1cm[5],,,,,,,,,,,(DGPS+)[5]31631611,,,,[5,13]31612,,,(,),,[5,1114]31613(),0152m,,,,,[5][7][10]316141954WGS84,474,,,,(12)(14),,,,GPS,,[5],[10],GPS[57],[12]:[1]1[J]1,2001,(6):681[2]1[M]1:,19931[3],1[N]1,2001242101[4]1[J]1,2000,(9):14.[5].DGPS[D].:,1999.[6],,.DGPS[J].,2001,(1):1519.4'1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[7],.[J].,2001,(3):1926.[8]TomVandeWiele.AspectsofAccuracyAnalysisforSoundings[J].TheHydrographicJournal,2000,95(1):2324.[9]BradScarfe.MeasuringWaterLevelCorrections(WLC)UsingRTKGPS[J].TheHydrographicJournal,2002,104(4):1215.[10].[J].,1988,(2):2224.[11],.SDH213D[J].,2002,22(2):5556.[12]Gibeaut,JC,Gutierrez,etal.IncreasingtheAccuracyandResolutionofCoastalBathymetricSurveys[J].JournalofCoastalResearch.1998,(14/3):10821098.[13]ChenYQ,LiuYC.CorrectionfortheSeabedDistortioncausedbytheAngularBeamwidthofEchosounders[J].TheHydrographicJournal,1997,84(1):1519.[14],.[M].:,1993.AnalysisforErrorFactorinSoundingLINHui1,WULi2xin2,FANGZhao2bao1,2,3,LIUJi2yu4,LIHong2bing3(11JointLaboratoryforGeoinformationScience,ChineseUniversityofHongKong,HongKong;21ChinaUniversityofMining&Technology,Beijing,100083;3191561Troops,Guangzhou,Guangdong,510320;41SchoolofGeodesyandGeomatics,WuhanUniversity,Wuhan,Hubei,430079)Abstract:Depictingthebasiccharacteristicsonmodernbathymetricsurveying,qualitativelyandquantificationallyanalyzingtheerrorscausedbythebathymetricsurveyingenvironmenteffect,whichincludesvesselspeed,wave,eccentricityofpositionalantennacenterandsoundingdelay,thispaperestablishesthemathematicmodeloferrorcorrectionforbathymetricsurveying.Theresultsofcomputersimulationindicatethatthewaveisthemainfactorcausingtheerrorsinbathymetricsurveying.Aimingatcharacteristicsofeffectswithbathymetricsurveyingenvironments,someschemesandadvicesarerecommendedforincreasingaccuracyofsoundingsinabathymetricsurvey.Keywords:bathymetricsurveying;errorfactor;bathymetricsurveyingenvironmenteffect;errorcorrection,,,(CJFD)(CAJCED),,()6,36:40,300061;:022-84685080,84685059;:0251-85080,85059()5'1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.