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簡介:武漢理工大學碩士學位論文基于通用地理信息系統(tǒng)的網(wǎng)絡GPS監(jiān)控中心的研究與實現(xiàn)姓名蔡湘申請學位級別碩士專業(yè)計算機應用技術指導教師徐東平20060501武漢理。【大學碩士學位論文ABSTRACTWITHTHEDEVELOPMENTOFWORLD,THESTATEWITHTENSETRA哦CISAGGRAVATEDCONSTANⅡY.TTADITIONALMONITORINGANDCONTROLLINGSYSTEMBASEDONGIS/GPSHASNOTBEENSUITONMODEMLOGISTICSINFORMATIZATION,LANICINGANDSOCIALIZATJON.ITNEEDSMOREA11DMORECOMBINEWITHINTERNETTOOPTIMIZERESOURCESCHEMEANDIMPROVECOMPETITIONINMARKET.SOGPS,GIS,INTERNETANDOTHERADVATLCEDTECHN0109IESARECOMBINEDTOFORMWCBGPSNOW.WREBGPSINTEGRATEEACHSUPERIORITYANDTRAITF_ROMGPS,GISAILDINTEMET,IEAMFROMOTHER’SSTRONGPOINTSTOOF話ETONE’SWEAKNESS,ENHANCEDTHERELEASINGINFORMATIONOFMONITORINGVEHICLEINALARGEAREA.THETHESISANALYZEDTHETECHNOLOGYABOUTGPS,GISANDINTERNET,AILDEXPATIATEDTHEWHOLEPROCESSABOUTTHEDESIGNANDREALIZATIONOFTHEMONITORINGANDCONTROLLINGCENTERBASEDONⅥ,EBGPSANDGENERALGIS.THETHESISREALIZEDTHETRALLSMISSIONOFGPSJNFBFMALION,TBERELEASEOFELECTRONICMAPINTHEINTERNET,MEMONITORJNGANDCONTROLLINGOFVEHIC】EANDTHEDESCRIPTIONOFIT’STRACK,ANDCOMPOSEDANETWORKSTATIONTOSERVEFORNETWORKUSERS,REALIZINGTHEREIEASINGINF0哪ATIONOFMONITORINGVEHICIEINAIARGEAREA.INTHEPROCESSOFTHEDESIGN,WETAKETHEIDEATHATTHETRACKISDESCRIBEDINSERVERSIDE。ANDRE8LIZEDTHISIDEAUSINGSETTINGALIMPIDITYLAYERTECHNOLOGY.INTHEPROCESSOFTHEDESIGN,WEBRINGFONVARDMEPATHS’CONNECTIVITYDENOTATIONOFTHEMAPWHICHACCORDWITHTHEMAPINFOGISFORMATANDREALIZEDTHEWEB0PS’SFUNCTION.INORDERTOCOMPLETETHEMOVINGNAVIGATIONAILDSEARCHINGTHEBESTPATH,WEREALIZEDLOADINGDIFFERENTMAPS.’NLUSWEIMPROVEDTHEWEBGPS’SREUSINGFUNCTION.MEAN、VHILE,THETHESISDISCUSSEDTHEBESTMUTESEARCHOF£HEELECTRONICMADANDREALIZEDTHEBESTROUTESEARCHOFTHEELEC訂ONICM?。瓸ECAUSEOFTHEIIMITATIONOFTIMEANDENERGY,THEFUNCTIONSREALIZEDINTHISRESEARCHARELIMITED.INTHEFUTURE,THEDISCUSSINGOFTHEBESTROUTESEARCHMUSTCONSIDERTHEACTURALACTOROFTHEROUTEANDOTHERRCASONS.EXCEPTTHIS,THISII
下載積分: 5 賞幣
上傳時間:2024-03-05
頁數(shù): 75
大?。?2.37(MB)
子文件數(shù):
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簡介:長安大學碩士學位論文交通地理信息系統(tǒng)的數(shù)據(jù)組織和處理方式姓名席玉峰申請學位級別碩士專業(yè)交通運輸規(guī)劃與管理指導教師嚴寶杰20030101ABSTRACTONTHEBASISOFANALYZINGTHETHEORYOFTHEGEOGRAPHICINFORMATIONSYSTEMFORTRANSPORTATIONGISTANDTHECHARACTERISTICSOFMODEMTRANSPORTATIONNETWORKS,ADATAMODELISSETFORWARDTOFACILITATETHEGISEXPRESSIONANDOPERATIONSONTHEMODEMTRAFFICNETWORKS,WHICHISBASEDONTHECOMPLETETRANSPORTATIONFEATURESROADSANDSYNTHETICALLYCONNECTIVELANESWITHTHESAMEDIRECTIONS,ANDTOOFFSETTHEDEFICIENCYOFTHETRADITIONALDATAMODELBASEDONTHEPLANARTOPOLOGYOFARCSANDNODESFURTHERMORE,THEAUTHORDEVELOPSANONPLANARDATAMODELOFGISTONTHEBASISOFFEATUREBASEDDATAMODELPUTFORWARD,TOMAKEITMOLESUITABLEFORTRAFFICNETWORKMODELINGANDANALYSIS,ANDDESIGNTHEMETHODSOFCONCEPTUALMODELINGANDLOGICALMODELING,WHICHPROVIDESTHEBASISFORTHECORRESPONDINGDATASTRUCTUREANDDATABASEIMPLEMENTATIONITISDISCUSSEDINDETAILHOWTOIMPLEMENTFEATUREBASEDNONPLANARTOPOLOGYFORTRAFFICNETWORKSTOMAKESUPTHEDEFICIENCYOFPLANARGRAPHBASEDLINKNODEDATASTRUCTURETWOCASESSHOWTHEIMPLEMENTATIONOFNONPLANARDATABASEFORTRAFFICNETWORKWITHDYNAMICSEGMENTATION,SEQUENTIALPOINTEROPERATIONANDTHEOBJECTORIENTEDMETHODKEYWORDSGEOGRAPHICINFORMATIONSYSTEMFORTRANSPORTATIONTRAFFICNETWORKSFEATURENONPLANARDATAMODELDATABASE
下載積分: 5 賞幣
上傳時間:2024-03-05
頁數(shù): 73
大?。?1.84(MB)
子文件數(shù):
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簡介:同濟大學碩士學位論文基于J2EE的高速公路地理信息系統(tǒng)關鍵技術研究姓名劉曉明申請學位級別碩士專業(yè)攝影測量與遙感指導教師程效軍20040101『叫濟人學碩}論蚯ABSTRACTALONGWITHTHEINTERNETANDINFORMATIONSUPERHIGHWAYPLANSPRINGUP,WCHAVEMADEGREATPROGRESSINMANYTECHNOLOGY,SUCHASCOMPUTERMULTIMEDIA,NETWORK,DATABASEANDSOON.THEREAREDELIGHTFULCHANGESINMANYASPECTSOFTHECONCEPTIONOFTRADITIONALGIS,DATAMANAGEMENT,APPLICATIONMODELDESIGNOFSYSTEMANDSOON.THEFLOURISHINGINTEMETPROVIDESANOPPORTUNITYFORALLPLACEOFTHESOCIETYTOUSCGIS.FINALLY,WEBGISEMERGESASTHETIMEREQUIRED.WEBGISINTEGRATETHEGISTECHNOLOGY,WEBTECHNOLOGY,NETTECHNOLOGY,DISTRIBUTESDATABASEMANAGEMENTTECHNOLOGYANDPROVIDESOMEGISSERVICETOTHEINTERNEVINTRANETUSERSBYUSINGCLIENT/SERVERORBROWER/SERVERPATTERNITSEMPHASIZEDINTHETHESISTOPROBEINTOTHEREALIZATIONOFWEBGISANDITSAPPLICATIONMODEL,KEYTECHNOLOGYINHIGHWAYWEBGISSYSTEMWHICHBASEDONJ2EESUCHASSYSTEMSTRUCTURE,LINEARREFORENCESYSTEM,DATABASECONNECTIONPOOLINGETC.ALSO,THEPAPERINTRODUCEDMAPXTREMEFORJAVA’STECHNOLOGYANDITSDEVELOPMENTMODE.THINKINGABOUTTHEUSERSBASICREQUIREMENTOFGIS,WEDESIGNAHIGHWAYWEBGISPROTOTYPESYSTEMBASEDONJ2EETECHNOLOGYBYUSINGTHECOMPONENTSPROVIDEBYMAPXTREME.KEYWORDSWEBGISMAPXTREMELINEARREFERENCESYSTEMCONNECTIONPOOLING
下載積分: 5 賞幣
上傳時間:2024-03-04
頁數(shù): 71
大?。?2.15(MB)
子文件數(shù):
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簡介:分類號TU410710-20098112專業(yè)碩士學位論文中國軟土分布地理信息系統(tǒng)構建初步研究張發(fā)如導師姓名職稱王曉謀教授趙永國教授級高工申請學位級別碩士專業(yè)學位類別及領域名稱工程碩士交通運輸工程論文提交日期2013年11月28日論文答辯日期2013年12月18日學位授予單位長安大學PRELIMINARYSTUDYFORBUILDINGTHEGEOGRAPHICINFORMATIONSYSTEMOFSOFTSOILDISTRIBUTIONINCHINAADISSERTATIONSUBMITTEDFORTHEDEGREEOFMASTERCANDIDATEZHANGFARUSUPERVISORPROFWANGXIAOMOUPROFZHAOYONGGUOCHANG’ANUNIVERSITY,XI’AN,CHINA
下載積分: 5 賞幣
上傳時間:2024-03-04
頁數(shù): 68
大?。?2.8(MB)
子文件數(shù):
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簡介:北京交通大學碩士學位論文北京公交通用地理信息平臺的開發(fā)與應用姓名許元春申請學位級別碩士專業(yè)工商管理指導教師關忠良20031001北京交通大學碩士學位論文ABSTRACTBEIJINGPUBLICTRANSPORTATIONCORPORATIONBPTCISALARGESTATEOWNEDENTERPRISEINBEIJINGTRANSITINDUSTRYBYTHEENDOFAUGUST2003,BPTCHAS15,000OPERATINGVEHICLES,769BUSROUTESWITHANNUALPASSENGERTRIPSOFNEARLY4BILLION,ACCOUNTINGFOR74PERCENTOFTHETOTALBYTRANSITMODESINBEIJINGTHEIMPORTANTSTATUSOFPUBLICTRANSPORTSYSTEMINSOCIALLIFEHASBEENGENERALLYRECOGNIZEDGIVINGPRIORITYTOTHEDEVELOPMENTOFPUBLICTRANSPORTISNOTAMAKESHIFTMETHODBUTAFUNDAMENTALSTRATEGYTHEREFORMOFTRANSITINDUSTRYISSTARTINGWITHECONOMIZINGHUMANRESOURCES,DEVELOPINGTERTIARYBUSINESSESANDPROMOTINGTHEUSEOFSCIENCEANDTECHNOLOGYEMANCIPATINGPRODUCTIVEFORCESANDENHANCINGBUSINESSEFICIENCYHAVEBEENTHELONGTERMGOALSOFOUREFORTSTHEREFORE,WEPLANTOGETBENEFITSWITHTHEUSEOFHIGHTECHANDADOPTIONOFMODEMMANAGEMENTINFACT,THEAPPLICATIONOFCOMPUTERTECHNOLOGYISONEOFTHEEFECTIVEMEANSTOINCREASEWORKEFICIENCYANDSAVEMANPOWERINRECENTYEARS,WHILESPEEDINGUPTHEADVANCEMENTOFTECHNOLOGY,BPTCHASPUTIN35MILLIONYUANINTHECONSTRUCTIONOFINFORMATIONPROJECTSANDITSINFORMATIONSYSTEMHASTAKENSHAPETHATRESULTSINIMPROVINGCORPORATEBUSINESSANDSOCIALBENEFITSTHEPAPER,TAKINGTHEAPPLICATIONOF“BPTCGENERALGISINFORMATIONPLATFORM“FOREXAMPLE,DESCRIBESITSDETAILEDFUNCTIONS,SERVINGASTHEPLATFORMOFDIFERENTAPPLICATIONSYSTEMSLIKETRANSITOPERATION/DISPATCHIVLANAGEMENT,INFORMATIONSERVICELISULIHOTLINE,BPTCWEBSITE,VEHICLERESCUETHEPLATFORMHASBECOMEANIMPORTANTPARTOFBPTCINFORMATIONSYSTEM,SOLVINGTHEPROBLEMSSUCHASDEVELOPMENTREPETITION,DATASHARING,ANDREPEATEDDATAINPUTTHEARTICLEALSORELATESTHEPROCESSOFBP代INFORMATIONSYSTEMDEVELOPMENT,FROMANA妙SISOFCURRENTSITUATIONSTOFUTUREGOALS,ANDEXPLAINSTHESTRATEGICSIGNIFICANCEFORCORPORATEDEVEL即MENTKEYWORDSCO印ORATION,INFORMATIONSYSTEMDEVELOPMENT,APPLICATION
下載積分: 5 賞幣
上傳時間:2024-03-05
頁數(shù): 63
大?。?3.3(MB)
子文件數(shù):
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簡介:長安大學碩士學位論文基于地理信息系統(tǒng)(GIS)的公共交通系統(tǒng)信息化姓名耿蕤申請學位級別碩士專業(yè)交通運輸規(guī)劃與管理指導教師陳寬民20040101ABSTRACTITWASPROVEDTHATPRIOFI可OFDEVELOPINGPUBLICTRANSPORTATIONWASTHEBESTWAYTOSOLVECITYTRAFFICPROBLEMBYANALYZINGTHEEFFORTSFROMCITIFYINGACCORDINGTOTHEANALYSISOFPUBLICTRANSPORTATIONPROBLEMS,ILLUMINATEDAPPLICATIONOFADVANCEDTECHNOLOGYINPUBLICTRANSPORTATIONWASAGUARANTEETHATMADEITDEVELOPEDWELLTHEUSERANDUSERSERVICESOFPUBLICTRANSPORTATIONINFORMATIONSYSTEMPTISWEREENSUREDANDREQUIREMENTMODELARCHITECTUREMODELOFPTISWEREBUILTBYADOPTINGSTRUCTUREDMODELACCORDINGTOFUNCTIONSANDDATAMODELOFGISTECHNOLOGYANALYZEDFEASIBILITYANDSUPERIORITYOFAPPLICATIONOFGISTOPTISEXERTINGGISDATASTRUCTUREPRINCIPLEANDRELATIONDATABASETHEORYBUILTSPACIALDATABASEANDPROPERTYDATABASERESPECTIVELYUNITINGTHESPACEANALYSISFUNCTIONOFGISTECHNOLOGYCOMPLETELYSTUDIEDPTISAPPLICATIONSMETHODSINPUBLICTRANSPORTATIONPLANNING,MANAGEMENTANDEVALUATIONKEYWORDSPUBLICTRANSPORTATIONINFORMATIONSYSTEMGEOGRAPHICINFORMATIONSYSTEMGISSTRUCTUREDMODELSPATIALDATABASERELATIONDATABASE
下載積分: 5 賞幣
上傳時間:2024-03-05
頁數(shù): 87
大?。?2.75(MB)
子文件數(shù):
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簡介:Y1097734分類號;UDC工學碩士學位論文密級編號數(shù)據(jù)融合技術在海陸聯(lián)合地理信息系統(tǒng)中的研究與設計碩士研究生指導教師學位級別學科、專業(yè)所在單位’論文提交日期論文答辯日期學位授予單位高艷婷許兆新副教授工學碩士導航、制導與控制自動化學院2007年1月2007年3月哈爾濱工程大學哈爾濱工程大學碩士學位論文ABSTRACTTHE21STCENTURYISTHEOCEANCENTURY,ALONGWITHTHEOCEANDEVELOPMENTANDINORDERTOSATISFYCOASTALECONOMYNEED,THEREWEREBOMTHENEEDOFOCEANANDLANDUNIONGEOGRAPHICINFORMATIONSYSTEMTHESYSTEMNOTONLYPROVIDETHEFOUNDATIONTOCOASTALCITYOCEANDEVELOPMENT,THEURBANDEVELOPMENT,THEPLANDECISIONMAKINGINFORMATIONSTRUTPLATFORMANDTHESPACEORIENTATION,BUTALSOSERVETHECOASTALMILITARYSTRATEGYANDTHEDEFENSEKEYPROBLEMMUSTBESOLVEDINTHEUNIONGISISHOWTOINTEGRATECHARTANDMAPINFORMATIONMAPINTEGRATIONTECHNIQUEISESSENTIALINFORMATIONSHARINGMETHODTHISPAPERRESEARCHTHETECHNIQUEMOSTLYABOUTSPACIALINFORMATIONBETWEENDIFFERENTGIS,INCLUDEFOLLOWINGASPECTS,DIFFERENTORIGINSPACIALDATAUNIFICATIONDATAMODELESTABLISHMENT,SPACIALDATAUNDERDIFFERENTPROJECTIONWAYUNIFICATIONSTORAGEMODEL,THEOCEANANDLANDUNIONGISUNIFICATIONATTRIBUTECODESYSTEMESTABLISHMENTASWELLASTHEFEATUREUNIFORMQUESTIONOFTHESAMENAMETHESEQUESTIONSSOLUTIONSNOTONLYLAYTHETECHNOLOGYFOUNDATIONFORESTABLISHEDOCEANANDLANDUNIONGIS,BUTALSOPROVIDEDSOLUTIONFORREALIZATIONSPACEDATASHMNG,THEEXPANDEDSPACEDATAUSESCOPE,THEREDUCEDSPACEDATAMAINTENANCEANDTHEGAINEXPENSEFINALLY,ONTHEBASISOFPRACTICALCHARTDATAANDMAPDATA,THEPAPERFINISHEDTHEINTEGRATIONDISPLAYONTHEUNIONGIS1WISHTHEWORKHEREISBENEFICIALTOGISFURTHERDEVELOPMENTKEYWORDSDATAINTEGRATION;OCEANANDLANDUNITEDGIS;CODESYSTEM;SPATIALDATAMODEL;GEOGRAPHYELEMENTCONSISTENCY
下載積分: 5 賞幣
上傳時間:2024-03-05
頁數(shù): 88
大?。?2.33(MB)
子文件數(shù):
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簡介:西南交通大學碩士學位論文成都市公路網(wǎng)交通地理信息系統(tǒng)研究姓名王寄存申請學位級別碩士專業(yè)安全技術及工程指導教師張殿業(yè)20070301西南交通大學碩士研究生學位論文第1I頁ABSTRACTTHEDEVELOPMENTOFHITECHNOLOGYREPRESENTEDBYINFORMATIONSCICENEEANDTECHNIQUEISAFFECTINGTHEINDUSTRYANDECONOMYDEVELOPMENTINONECOUNTRYANDREGIONOFWHICHTRAFFICINFORMATIZATIONISANIMPORTANTREFLECTION.THETRANSPORTAIONINTELLIGENTSYSTEMINDUSTRYBASEDONTRAFFICINFORMATIZATIONISCONSIDEREDASONEOFTHEMOSTSIGNIFICANTINDUSTYINTHENEXTCENTRY.TRAFFICGEOGRAPHICINFORMATIONSYSTEMGIST1DEVELOPEDBASEDONGEOGRAPHICINFORMATIONSYSTEMOLSTECHNOLOGY.THETRAFFICDOMAINISONEOFTHEMONSTIMPORTANTAPPLIEDDOMAINOFG1SDUETOTHECLOSERELATIONSHIPBETWEENTRAFFICINFORMATIONANDGEOGRAPHICINFORMATION.1RILEGISAPPLICATIONINTRA伍CDOMAINWHICHHAVEANEXTENSIVELYDEVELOPMENTINDEVELOPEDCOUNTRYSUCHASEUROPE,AMERICA,JAPANMAINLYINVOLVEDTRAFFICINFRASTRUCTUREMANAGEMENT,ROADWAYPLANANDDESIGN,TRAFFICSAFETYMANAGEMENTANDPAVEMENTMAINTENANCEETC.WHILETHEAPPLICATIONINCHINAMAILYINVOLVEDTHEESTABLISHMENTOFGIST,THEINTEGRATIONOFGISANDGPS,VEHICLEANDSHIPNAVIGATIONSERVICE,SPCIALPOSITIONSERVICE,GISAPPLICATIONINITSETC,RESPONDINGTOTHECALLOFNATIONALTRAFFICINFORMATIZATIONBUILDING,THEPARTIALDEVELOPEDCITYGISFIREREALIZEDBYCHENGDUFIRSTYINCOUTRYWIDE,BUTUSINGINFORMATIONANDNETWORKTECHNIQUETOBUILDGISTHAVEN’TBEENREALIZED.BASEDONTHEDISCUSSIONOFTHECHENGDUHIGHWAYNETWORKANDITSEXISTINGTRAFFICINFORMATIONSYSTEM,ANDTHENINTEGRATEDALLTHETRAFFICENTITYSUCH嬲ROAD,VEHICLEINTOONEGROUP。THISPAPERBUILTTHEHIGHWAYGISSPATIALDATABASE,MAPELEMENTSPROPERTYDATABASEANDCONSTRUCTEDCHENGDUHIGHWAYGISTUSINGCOMMUNICATIONTECHNIQUE,ELECTRONICTECHNIQUEANDOTHERSCIENTIFICTECHNIQUE.THROUGHTHEBUILDINGOFTHERELATIVESUBSYSTEM。THETRAFFICINFORMATIONDATACANBEREFLECTEDBYCHARACTER,FIGORTABLENOTLY.THEREALTIMETRAFFICINFORMATIONINPUTANDOUTPUTINTRAFFICCONTROLSYSTEMCALLALSOBEREALIZEDINORDERTOAMENDTIED.FILECONTROLSCHEMEANDALLOTREGIONALTRAFBCFLOWREASONABLY,SOTOACHIEVETHEGOALOFSAFETYANDEXPEDITEANDSATISFYTHEREQUIREMENTOFCITYEXPANSIONANDTHEDEVELOPMENTOFHIGHWAYTRANSPORTATIONINDUSTRY.KEYWORDM阻MCGEOGRAPHICINFORMATIONSYSTEM;DATABASE;HIGHWAYNETWORKOFCBENGDU
下載積分: 5 賞幣
上傳時間:2024-03-04
頁數(shù): 79
大小: 2.8(MB)
子文件數(shù):
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簡介:接觸網(wǎng)地理信息管理系統(tǒng)GIS利用計算機圖形技術和數(shù)據(jù)庫技術來存儲和處理空間信息,利用地理信息系統(tǒng)把接觸網(wǎng)的圖形、音像、文字、數(shù)據(jù)資料等各種信息映射到共享數(shù)據(jù)平臺上,實現(xiàn)數(shù)據(jù)共享、資料分類檢索并建立接觸網(wǎng)現(xiàn)實地理環(huán)境的空間信息模型。GIS把空間信息及其屬性信息真實、圖文并茂地輸出給用戶,借助其獨有的空間分析功能和可視化表達功能,進行各種輔助決策。本系統(tǒng)采用MAPX為系統(tǒng)開發(fā)平臺,使用面向對象的編程技術和ACTIVEX控件,界面設計采用VISUALBASIC60,后臺數(shù)據(jù)庫采用大型的結構化數(shù)據(jù)庫MSSQLSERVER2000。系統(tǒng)以矢量地理圖為背景,以接觸網(wǎng)各種設備如支柱、導線等為管理對象,在地理圖上顯示設備相對位置,對設備數(shù)據(jù)進行日常維護和管理,實現(xiàn)設備的靜態(tài)和動態(tài)信息化管理,為接觸網(wǎng)日常維護管理、事故救援搶修和領導科學決策提供重要依據(jù)。它具有表現(xiàn)直觀、管理方便、人機界面友好,系統(tǒng)擴展性好等優(yōu)點。利用該系統(tǒng),可以對接觸網(wǎng)設備進行有效的管理,以提高設備管理及維護水平,保證鐵路生產(chǎn)系統(tǒng)的安全、經(jīng)濟運行;在故障情況下,能夠及時進行故障處理,縮小故障范圍,迅速恢復運行,以減少損失,提高運行可靠性。
下載積分: 5 賞幣
上傳時間:2024-03-05
頁數(shù): 79
大?。?2.47(MB)
子文件數(shù):
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簡介:中國肄警斜學研憲陀學位論文遺塑鲞絲撾鹽墨墊些型二亟釜三絲絲堡焦墾丕絲苤筵墊查研究與實現(xiàn)學位論文作者指導教師姓名申請學位級別專業(yè)名稱研究方向論文答辯日期王凱松郭志華研究員碩士生態(tài)學濕地資源管理2014年6月◎中國北京獨創(chuàng)性聲明本人聲明所呈交的學位論文是我個人在導師指導下進行的研究工作及取得的研究成果。盡我所知,除了文中特別加以標注和致謝的地方外,論文中不包含其他人已經(jīng)發(fā)表或撰寫過的研究成果,也不包含為獲得本研究生培養(yǎng)單位或其它教育機構的學位或證書而使用過的材料。與我一同工作的同志對本研究所做的任何貢獻均已在論文中作了明確的說明并表示謝意。學位論文作者簽名王歲氏撳日期沙竹年6月≯彳日學位論文版權使用授權書本學位論文作者完全了解中國林業(yè)科學研究院有關保留、使用學位論文的規(guī)定,中國林業(yè)科學研究院有權保留并向國家有關部門或機構送交論文的復印件和磁盤,允許論文被查閱和借閱。本人授權中國林業(yè)科學研究院可以將學位論文的全部或部分內(nèi)容編入有關數(shù)據(jù)庫進行檢索,可以采用影印、縮印或掃描等復制手段保存、匯編學位論文。保密的學位論文在解密后適用本授權書學位論文作者簽名乏杈櫞彬吁年莎月Z印日學位論文作者畢業(yè)聯(lián)系方式工作單位聯(lián)系電話電子郵件通訊地址、郵編導師簽名WLL年只
下載積分: 5 賞幣
上傳時間:2024-03-04
頁數(shù): 88
大?。?7.63(MB)
子文件數(shù):
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簡介:上海交通大學碩士學位論文智能交通中地理信息系統(tǒng)的研究姓名關旭申請學位級別碩士專業(yè)模式識別與智能系統(tǒng)指導教師劉允才20050101上海交通大學碩士學位論文可視化及理解為例著重對三維數(shù)據(jù)的獲取和分析進行了一些嘗試提出了由激光攝像機采集結合深度圖象分割理解的一套系統(tǒng)關鍵詞智能交通地理信息系統(tǒng)路徑規(guī)劃深度圖象
下載積分: 5 賞幣
上傳時間:2024-03-05
頁數(shù): 80
大?。?1.61(MB)
子文件數(shù):
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簡介:北京交通大學碩士學位論文鐵路地理信息系統(tǒng)中的最短路徑問題研究姓名吳巍申請學位級別碩士專業(yè)信號與信息處理指導教師阮秋琦20050301ABSTRACTABSTRACTPATHQUERYANDANALYSISISONEOFTHEMAINFUNCTIONSINNETWORKANALYSISOFGEOGRAPHICINFORMATIONSYSTEMGIG,ANDTHESHORTESTPATHALGORITHMSPISAKEYAIGORITHININTHISFIELDINTHEPAPERCLASSICALSHORTESTPATHPROBLEMANDITSRELATEDPROBLEMSWERESTUDIED,ANDSOMENEWALGORITHMANDSOLUTIONSWEREGIVENTWODEMOSYSTEMSWEREDESIGNEDANDDEVELOPEDALSOWHICHWERECOMBINEDWITHREALDATAINTHESTUDYTHETRADITIONALSHORTESTPATHPROBLEM,WHICHISNOTCONSTRAINEDWITHANYCONDITIONSORCONSTRAINTSWASCALLEDCLASSICALSHORTESTPATHPROBLEMFIRSTLYSOLUTIONSTOTHISKINDOFSHORTESTPATHPROBLEMWERECONCUDED,ANDTHENTHEALGORITHMBASEDONGENETICALGORITHMWASIMPROVED,THATIS,THEGENECONSTRAINEDGENETICALGORITHMWASPROPOSEDGONECONSTRAINEDGENETICAIGORITHMWASTOADDSOMECONSTRAINTSINT1EPROCESSOFEVOIUTIONWHICHCOULDACCELERATETHESPEEDOFCONVERGENCE,EXPERIMENTSPROVEDTHATTHISNEWALGORITHMWASMOREEFFECTIVEANDEFFICIENTTHANTHEOLDONES,ESPECIALLYINTHELARGESCALENETWORKBESIDESTHATONERELATEDSHORTESTPATHPROBLEMINWHICHSOMEINTERMEDIATEDNODESWERESPECIFIEDWASBROUGHTFORWARDANDWASNAMEDSHORTESTPATHPROBLEMWITHOBLIGATORYINTERMEDIATENODESTHISWASANEWPROBLEMWITHUNFIXEDSEQUENCEOFOBLIGATORYINTERMEDIATENODESTHATWASNOTSTUDIEDBEFORECONSIDERINGTHEKEYTOSOLUTIONTWOLAYERMODELWASCONSTRUCTEDWHICHCOULDMAKETHEPROBLEMSIMPLERANDFINDTHESOLUTIONFINALLYINLARGEEXPERIMENTS,THESOLUTIONWASPROVEDTOBEEFFECTIVEANDALSOWASREGARDEDASAHELPFULMODELFORSOLVINGTHERELATEDSHORTESTPATHPROBLEMSFINALLYTWODEMOSYSTEMSWEREDESIGNEDANDDEVELOPEDINORDERTOSHOWTHEFUNCTIONOFSHORTESTPATHPROBLEMSWHAT’SMOLE,THERESEARCHONTHISPROBLEMCANBEUSEDINPRACTICALLIRE,SUCHASTHETRAFFICCONTROL,IPROUTERSETCANDITISALSOTHEFOUNDATIONFORTHESTUDYOF3DSHORTESTPATHPROBLEMKEYWORDSGEOGRAPHIEINFORMATIONSYSTEMGIS,SHORTESTPATHPROBLEMSP,OBLIGATORYNODES,GENETICALGORITHMGA
下載積分: 5 賞幣
上傳時間:2024-03-04
頁數(shù): 88
大小: 2.21(MB)
子文件數(shù):
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簡介:摘要摘要在信息時代全面來臨的今天,信息已經(jīng)成為重要資源和競爭資本。但隨著社會信息量的爆炸式增長,只有經(jīng)過針對性采集和系統(tǒng)化整理的信息才有意義,才能轉化成各類信息產(chǎn)品為人所用,從而創(chuàng)造經(jīng)濟價值。而縱觀現(xiàn)今,雜亂及錯誤的公交及地理信息仍處于“不可用”的狀態(tài)。在此基礎上開發(fā)的本公交換乘及地理信息系統(tǒng)定位于“基于位置信息分類標注的服務網(wǎng)絡平臺”,正實現(xiàn)了從原始信息到高價值信息產(chǎn)品的增值過程,是對龐雜的信息進行系統(tǒng)加工和深度挖掘的專業(yè)化平臺。在研發(fā)過程中,解決了信息采集、整理、加工、發(fā)布全過程中的流程控制、數(shù)據(jù)流管理、標準制定、平臺遷移、人機交互等難題。本文共分為三個部分。第一部分介紹了項目及市場同類產(chǎn)品狀況的背景知識。第二部分是本文的重點,對系統(tǒng)進行了需求分析及設計,尤其針對產(chǎn)品的數(shù)據(jù)采集、信息發(fā)布的細節(jié)作了更為周密的詳細設計。系統(tǒng)堅持模塊化設計,將整個系統(tǒng)根據(jù)業(yè)務分為數(shù)據(jù)平臺、服務平臺、應用平臺三個子系統(tǒng),按功能分為數(shù)據(jù)收集、數(shù)據(jù)挖掘、增值服務中間件、終端應用、圖形引擎幾大模塊。使得這套系統(tǒng)可適應多領域應用,并實現(xiàn)最大的通用性和最小的二次開發(fā)代價。第三部分強調(diào)了系統(tǒng)的實現(xiàn)所采用的關鍵技術和展望。關鍵詞地理信息,基于位置信息分類標注,增值南開大學學位論文版權使用授權書南開大學學位論文版權使用授權書本人完全了解南開大學關于收集、保存、使用學位論文的規(guī)定,同意如下各項內(nèi)容按照學校要求提交學位論文的印刷本和電子版本學校有權保存學位論文的印刷本和電子版,并采用影印、縮印、掃描、數(shù)字化或其它手段保存論文學校有權提供目錄檢索以及提供本學位論文全文或者部分的閱覽服務學校有權按有關規(guī)定向國家有關部門或者機構送交論文的復印件和電子版在不以贏利為目的的前提下,學??梢赃m當復制論文的部分或全部內(nèi)容用于學術活動。學位論文作者簽名年月日經(jīng)指導教師同意,本學位論文屬于保密,在年解密后適用本授權書。指導教師簽名學位論文作者簽名解密時間年月日各密級的最長保密年限及書寫格式規(guī)定如下F17靚。FI鮮呼沐可I邢年紅裴10TLA1IF,墨F10F17LW20}FRT20,7F201F
下載積分: 5 賞幣
上傳時間:2024-03-04
頁數(shù): 66
大?。?2.29(MB)
子文件數(shù):
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簡介:中南大學碩士學位論文交通地理信息系統(tǒng)的研究與應用姓名肖建軍申請學位級別碩士專業(yè)大地測量學與測量工程指導教師劉慶元20050301碩士學位論文ABS丁RACTABSTRACTTRANSPORTATIONGEOGRAPHICINFORMATIONSYSTEMGISNISANIMPORTANTRESEARCHFIELDOFGEOGRAPHICINFORMATIONSYSTEMGISSEENFROMTHEDEVELOPMENTANDMANAGEMENTOFTRANSPORTATIONENGINEERINGDOMESTICANDFOREIGNINRECENTYEARS,THEINTELLIGENTTRANSPORTATIONSYSTEMITSBASEDONGEOGRAPHICINFORMATIONTECHNOLOGYINTRANSPORTATIONHASBECOMETHEPREFERREDSCHEMEINRESOLVINGTRANSPORTATIONPROBLEMS‘’AIMINGATAPPLICATIONOFGISTTHISPAPERHASANALYZEDANDSOLVEDANUMBEROFPROBLEMS,WHICHINCLUDESSYSTEMDESIGNANDSYSTEMIMPLEMENTATION111EMAJORWORKISASFOLLOWS1THERELATIONSOFITSGISTANDGISAREILLUMINATED,ANDTHENECESSITYOFESTABLISHINGITSBASEDONTGISISCLARIFIED2ACCORDINGTOTHECONSTRUCTIONANDMANAGEMENTLEVELOFHIGLGRADEROADANDPRACTICALREQUIREMENTOFPRINCIPALPARTOFROADUSE,AITSBASEDONGISTISESTABLISHEDINALLTHESUBSYSTEMS,GISACTASMANMACHINECONVERSATIONINTERFACESANDTRANSFERTHEDATAPROCESSEDTOTHESUBSYSTEMS3DESIGNANDAPPLICATIONOFINTELLIGENTVEHICLENAVIGATIONSYSTEMISSTUDIEDCONCRETELY;THESERVICEPLATFORMSOFSYSTEMDEVELOPMENTARECOMPAREDINTHEROUNDANDTHENETBYMICROSOFTISSELECTEDTODEVELOPGISWIMM023,THEASSEMBLESTYLESOFTWAREOFESRIAEFFICIENTINTELLIGENTVEHICLESYSTEMWITHTHEFUNCTIONOFSYSTEMNAVIGATIONANDQUERY4NEULTIMATEINTELLIGENTTRANSPORTATIONSYSTEMWILLBEHI曲LYDISTRIBUTEDDUETOITSCHARACTERSINDEVELOPMENTINTHISP印ER,THETHREELAYERDISTRIBUTEDGISMODEIUSEDCURRENTLYISSTUDIEDANDAWEBGISMODELISADOPTEDWITHASENETOFNETFRAMEASSERVERREPLACINGTHEGISSERVEROFCONVENTIONALTHREELAYERSTRUCTURE,WHICHFACILITATESTHEARRANGEMENTOFFATANDTHINCLIENTSERVERS;THETECHNOLOGYSVGISUSEDFORDISPLAYOFCLIENTSERVERS,WHICHELIMINATESTHEEFFICIENCYBOTTLENECKOFⅥ砸BGIS5ASOLUTIONOFWEBGISISSUGGESTEDANDANETWORKTRANSPORTATIONQUERYSYSTEMRUNNINGINLOCALSERVERISDESIGNED,COMBINEDWITHPRACTICALREQUIREMENTSⅡ
下載積分: 5 賞幣
上傳時間:2024-03-04
頁數(shù): 57
大?。?1.65(MB)
子文件數(shù):
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簡介:華南理工大學碩士學位論文增江航道地理信息系統(tǒng)數(shù)據(jù)處理研究姓名李光武申請學位級別碩士專業(yè)建筑與土木工程指導教師劉月琴蔡文學20030612華南理工大學工程碩士學位論文ABSTRACTWATERWAYISANIMPORTANTPARTOFNATIONALCOMMUNICATIONINFRASTRUCTURESANDTHEFOUNDATIONOFWATERCARRIAGE,SOIT’SCRUCIALTOASSURETHESECURITYOFWATERWAYSOFARHOWEVERTHEWATERWAYMANAGEMENTISRELATIVELYBACKWARD,ANDIT’SIMPERATIVETOIMPROVETHEWATERWAYMANAGEMENTANDREALIZE‘‘DIGITALWARERWAY”THEREALIZATIONOF“DIGITALWATERWAY”DEPENDSONTHEWATERWAYGEOGRAPHICINFORMATIONSYSTEMGIS,INWHICHTHEDATABASEESTABLISHMENTISTHEMAJORCONTENT,ABOUT70%THUSTHEDATABASEESTABLISHMENTISOFMUCHIMPORTANCETHEREAREMANYMETHODSANDSOURCESOFWATERWAYDATACOLLECTING,ANDOFWHICHTHEWATERWAYCHARTSBEARMOSTINFORMATION。IT’1TLARGELYENRICHTHEWATERWAYGISDATABASEIFCONVERTEDINTODATAOFTHEWATERWAYDATABASE,BUTSOFARTHEREISNOGEOGRAPHICSOFTWARETOCONVERTTHEWATERWAYCHARTINTOGISDATABASEAIMINGATSOLVINGTHETECHNICALPROBLEM,THISPAPERPRESENTSTHEMETHODCONVENINGCADWATERWAYCHARTINTO3ISDATABASE,DISCUSSESTHESPECIFICARITHMETIC,ANALYSESTHECONVERTINGERRORPRIMARILYANDPROPOSESTHEMETHODTEDUCETHEELTOLTHERELIABILITYISPROVEDBYTHECASEOFZENGRIVERCADWATERWAYCHARTDATAPROCESSINGTHESUCCESSFULCONVERSIONOFCADWATERWAYCHARTDATASOLVESAPRACTICALTECHNICALPROBLEMINWATERWAY聯(lián)SDATABASEDATAPROCESSING,ANDPROVIDESANIMPORTANTDATACOLLECTINGMETHODFOR/ISDATABASEESTABLISHMENTTHISPAPERALSODISCUSSESTHEGIS,DIGITALALTITUDEMODULEMODELING,INTERPOLATIONANDTHEMAINTERRAINFACTORSANALYSISANDCALCULATIONINWATERWAYⅡ
下載積分: 5 賞幣
上傳時間:2024-03-05
頁數(shù): 63
大?。?2.35(MB)
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