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采用Microsoft Visual Basic5.0for Windows95为工具对MapInfoprofessional4.0作二次开发,实现基于接合表图的数字线划地形图的查找、浏览、查询及实时编辑工作。 相似文献
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SUI Haigang LI Deren 《地球空间信息科学学报》2001,4(3):29-34
1Currentchangedetectiontech niquesAutomaticchangedetectioninimagesofagivensceneacquiredatdifferenttimesisoneofthemostinterestingtopicsofimageprocessing .Itfindsim portantapplicationswithindifferentcontexts,rang ingfromvisualsurveillanceandvideocodingtot… 相似文献
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WENG Xingtao HE Ping''''an LI Song WANG JiyaoWENG Xingtao Professor School of Photoelectric Engineering WTUSM Luoyu Road Wuhan China 《地球空间信息科学学报》2000,3(3):73-75
1 IntroductionThecornercubeprismorretroreflectorisexten sivelyusedinplaceofthemovablemirrorinanin terferometer,orasacooperativetargetinrangefinder.Ithasthreesurfaces,whichareperpendic ulartoeachotherandcalledtherightangularsur faces.Aninclinedisoscelestr… 相似文献
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YEN Gar-onZHAO ShuangmingGONG JianyaZHU Xinyan 《地球空间信息科学学报》2001,4(4):32-36
1 IntroductionInthetraditionalmapandGIS ,accordingtothedifferentgeometricandelementalattributecharac teristicsofspatialobjects,theycanbedescribedaspointsymbol,linearsymbolandsurfacesymbol.Afeatureclassisgivenwithaspecificsymbol.Be causethosesymbolsdonote… 相似文献
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《地球空间信息科学学报》2001,4(3):5-5
Inordertoelectronizetheprocessofediting ,publishingandissuingscientificandtechnologicalperiodi calsaswellastoadvancethenetworkingprocessofscientificandtechnologicalinformationinterchange,wehavenowjoined“WanfangData———DigitizedPeriodicalGroup” .Therefore… 相似文献
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《地球空间信息科学学报》2002,(4)
Automaticmapnameplacementisanimportanttaskamongautomationofcartography,anditisal soachallengeincartographyandGISfield .Mapisadescriptivetoolthatusesasmallspacetorep resentalargespacesocontentsofmapoftencompeteforthemapspace .Ondensemap ,fea turesareclosel… 相似文献
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1 IntroductionAncientbuildings ,astheessenceofancientChi neseculture ,characterizedbyitscomplexandan tiqueshape ,delicatestructure ,compactcombinationand gracefulsculpture ,areappreciated globally .Someancientbuildingsmadeofwoodendurelongbecauseofitssolidstr… 相似文献
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FENG Wenhao 《地球空间信息科学学报》2001,4(4):66-72
1 IntroductionByvirtueofthecontrolpointsand/orrelativecontrolwork ,themainobjectiveofcontrolsurvey ingincloserangephotogrammetryistobringthecloserangephotogrammetricnetunderthespeci fiedobjectspacecoordinatesystem .Besidesthese lectionofobjectspacecoordi… 相似文献
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《地球空间信息科学学报》2002,(3)
Withtherapiddevelopmentofglobalinformationhighway,multimediacommunicationtechnologyplaysamoreandmoreimportantroleinnationaleconomicandsocialdevelopment.However,themultimediacommunicationsystemisacomplicatedrealtimedistributedsystemanditssoftwareisdiff… 相似文献
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Determination of Geopotential of Local Vertical Datum Surface 总被引:1,自引:0,他引:1
WEI Ziqing JIAO Wenhai 《地球空间信息科学学报》2003,6(1):1-4
1 IntroductionEachcountryoreachgroupofcountriesselectsmeansealev elatadefinedtidegaugeoratagroupofgaugesforitsverti caldatumsurface .Itisrealized ,however,thatthelocalmeansealevelisusuallydepartedfromthegeoid ,whichshouldbetheidealdatumsurfaceforheight,ow… 相似文献
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GEODESY AND DIGITAL CARTOGRAPHIC SURVEY IN FILDES PENINSULA,REY JORGE ISLAND,ANTARCTICA 总被引:1,自引:0,他引:1
Jürgen Klotz 《地球空间信息科学学报》2001,4(2):25-31
1 IntroductionTheincreaseinresearchintheChileanAntarcticTerritoryhasbecomemanifestoverthelasttenyearsinthesubstantialincreaseinthenumberofscientificstationsestablishedandmaintainedonReyJorgeIsland ,makingitneccesarytoregulatetheuseofthoseareasofintere… 相似文献
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YANG JieZHU YixuanLI DerenQIN Kun 《地球空间信息科学学报》2001,4(4):56-60
1 IntroductionTheartofancientChinesearchitectureistheessenceoftheChineseculturalheritages .Ithasim portantsignificanceforstudyingandlearningChi nesecultureandcivilization .Itisofgreatdifficul ty ,however,tolearnthecomplicatedstructureofancientChinesearchi… 相似文献
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LIU WenbaoXIA Zongguo DENG Min 《地球空间信息科学学报》2001,4(4):37-42
1 IntroductionTherepresentationofspatialobjectsisoneofthekeyissuesincurrentresearchonthespatialdatabasetheoryofGIS (BurroughandMcDonnell,1 998) .Spatialobjectsinnatureareclassifiedastwokinds:objectswithdistinctiveboundariesandob jectswithtransitionalorfuzzy… 相似文献
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《地球空间信息科学学报》2001,4(2):78-78
Inordertoelectronizetheprocessofediting ,publishingandissuingscientificandtechnologicalperiodi calsaswellastoadvancethenetworkingprocessofscientificandtechnologicalinformationinterchange ,wehavenowjoined“WanfangData———DigitizedPeriodicalGroup” .Therefor… 相似文献
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HUANG Mingdong FENG Huiminassociate researcher the Institute of Higher Education Huazhong University of Science Technology Wuhan China. 《地球空间信息科学学报》2002,5(3):71-75
1 TwokindsofmanagingviewsTherearetwoconspicuousviewsinthetheoryofmodernmanagementscience ,whicharealsoextremelyopposite .Thesetwokindsoftheoriesarethetheoryofobjectivemanagementthatseekstherealizationoftheobjectiveinmanagementandthetheoryofprocessmanag… 相似文献
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HU Guorong CUI Weihong 《地球空间信息科学学报》2001,4(1):24-27
1 IntroductionThecombinedGPS/GLONASSoffersmanyad vantagescomparedwithGPS_onlyuseforposition ingapplicationsespeciallyinareaswherethenum berofvisiblesatellitesislimited .TheinclusionoftheGLONASSsignalscanincreasetheaccuracyofpositioningaswellastheavailab… 相似文献