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ID:39402534
大小:595.00 KB
页数:52页
时间:2019-07-02
《基于地面参数的遥感图像并行仿真算法研究》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、河南大学硕士学位论文基于地面参数的遥感图像并行仿真算法研究姓名:徐辉申请学位级别:硕士专业:计算机应用技术指导教师:沈夏炯20100501第lI页河南大学硕士研究生学位论文AbstractWithnationalandintemationalremotesensingtechnologyfastdevelopment.therealemoleandmoreadvancedmulti—spectral,hyperspectral,multi—angleandmicrowaveremotesensorwascreated,whichwillplaya
2、nimportantroleinpeopleunderstanddingofourtrueearthandeventhewholeuniverse。Howtouseouraerospaceandremotesensortechnologiesinapplicationareourfinalgoal.Itistheonlywaytorealizethetruevalueofremotesensingbyusingapplicationorienteddevelopmentmodel.Asaresult,remotesensingimagesimul
3、atebecomeaveryimportantpartofremotesensordesigntechnicaldemonstrationandtheresearchofremotesensingapplicationmodel.Anewimagesimulationmethodbyusingphysicalparametersofthegroundasinputaredescribedinthispaper.BasedontheAerialimages.combinedwi像areasonablephy7sicalmodelandmethods
4、,doinversionofphysicalparametersofthegroundtogetthevisiblelightbandreflectancespectraarepresentedbriefly.ConsideroftheAtmosphericparametersandloadindicators,gettheTOAreflectancebyusing6Satmosphericradioactivetransfersoftware,addnoiseandMTFalediscussedbriefly.Applicationshows,
5、combined谢tllthesimulatedimageandarbitrarycombinationsofmulti—bandimagecatleffectivelytestthereasonablenessofthesensordesign.Inthispaper,themaincontributionandworksarediscribedasfollows:1)Astraditionalmethodsofcalculatingsurfacealbedoratealwaysusesequencestepexecutionprocess。A
6、saresult,itcostalotoftimeoncalculationandcouldn’tmeetimmediatelyneedsofremotesensingapplication.Thistextmakesomereformsonthetraditionalmethodofsurfacealbedocalculate。Makingfulluseofcomputerclusterletmorecomputerscomputingatthesametime,whichimprovedthespeedincalculatingsurface
7、albedorate.21Astraditionalmethodsoftransferatmosphericradiationsimulationalwaysusesequencestepexecutionprocess,whichcostalotoftimeonatmosphericradiationsimulation.ThistextbaseonthetraditionalmethodsandmakessomereformonitbyusingMPIparallelcalculationtechnologyanddatabuffertopr
8、omotethespeedofatmosphericradiationsimulation.Keywords:Imagesimulate
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