數(shù)字地面模型（DTM）模擬中國古地形再造的理論與應(yīng)用研究.pdf

1、同濟(jì)大學(xué)博士后學(xué)位論文數(shù)字地面模型（DTM）模擬中國古地形再造的理論與應(yīng)用研究姓名：劉春申請學(xué)位級(jí)別：博士后專業(yè)：海洋地質(zhì)學(xué)指導(dǎo)教師：王家林20040301AbstractBasedontheworkduringthePHD，crossresearchworkisdoneinthispapercombinesomeissuesinthesubjectofoceanscienceBythewaytheworkinthispaperissu

2、pportedbythenationnaturesciencefoundandtheHongKongPolytechnicUnivemityfoundThedigitalelevationmodel(DEM)isadoptedtosimulatethethreedimensionalpalaeogeographicreconstructionsMeantime，somespecialtheoryissuesisinvolveddeepI

3、y，anddemilisfollowlistas：1，F(xiàn)romthepointoftheelementaryfeatureofGIS，somecombinedtechnologiesareanalyzedfortheirrelationAndsometypesofGISapplicationarelisttogeneralizethehotspotandthedevelopmenttrendofGISfromtheoryandappli

4、cation2Basedontheanalysisandgeneralizationofthreedimensionalpalaeogeographie，palaeogeographicreconstructionsandthereversalofthetopographictrendduringtheCenozoic，theideatosimulatethepalaeogeographicusingdigitalelevationmo

5、delisgivenThetopographicdataCanbecollectedfromreconnoitermaterialbytopographicconstitutionandaggradationsbasin，andsomepalaeogeographiedatacanalsobeattainedfromancientgeographymapwithdifferentgeologyagesThethree—dimension

6、alpalaeogeographlcisthendescdbedwithtechnologyofDEMduringtheCenozoicandMesozoic3DigitalElevationModel(DEM)findsitswidelyusingintheareasofGeographylandscapeandregionalplanningHoweversomesystemshavetheirdifferentrequestoft

7、hedatavolumeunderdifferentscalefortheinfluenceonthespeedofopermionandanalysisBesidescartographygeneralizationofthecontourcanberealizedbythegeneralizationofDEMSothegeneralizationmodelonDEMgriddataisgivenbyusingthemulti—ba

8、ndwaveletanalysis，andacasestudyisputforwardtogivethedetailexplanationMeantime，itsreliabilityisdescribedfromthepointofdatavolume，profileoftheelevationandchangeofcurvesurfacearea43Dvisualizationoflandscapeisrealizedbythefu

9、sionofseveralinformationtechnologies3DvisualizationisdiscussedaSelementarycontentsinthispaperbasedontheapplicationinHongKongIslandSothedatasources，datacollectingprocedure，effectofthevisualizationanditsapplicationareinvol

10、vedinthispaperBesides，thedataqualityofthedatacollectingisalsoanalyzedasakeyissue5，F(xiàn)orthefeatureofthedistortionoftheIKONOSimagesismainlyfromthegeometric、thetechnologyofspatialvisualization『oftheaccuracydeterminationandthe

11、wholeexpressionareputforwardSotheconfoml8ltransformationmodeIfortheimagerecertificationjstakenasabeginningtodeducetherelationbetweentheaccuracyofallarbitrarypointandtheaccuracyofcontrolpoints，besides，accordingtosuchrelat

12、ion，theInverseDistancePowermethodisusedtogivethespatialinterpolationfortheimagerecertificationaccuracy’whichalsoachievedtheinterpolationvaluejnxorYdirectionsBasedonabove，thevisualizationsofaccuracyareusedtogivethedetaild

13、escriptionofthequalityofimagerecertificationThecaseIKONOSimageisalsoadoptedinthispapertogivetheexplanationforthespatialvisualizationsofaccuracyandalsosomehelpfulconclusionisobtainedforitsavailabilitvKeywords：GeographicIn