36663.新型高分辨率極化sar典型地物識別

1、北京交通大學碩士學位論文新型高分辨率極化SAR典型地物識別姓名：李曉芳申請學位級別：碩士專業(yè)：攝影測量與遙感指導(dǎo)教師：譚衢霖張風麗20090701ABSTRACTABSTRACT：In2007threenewhighresolutionSARsatellitesCOSMOSkyMedTerraSAR—X，RADARSAT2havebeensuccessfullylaunched，whichprovidenewdatafortheremo

2、tesensingfieldsworldlyandhavearousedcloseinterestofscholarsandexpertsbothathomeandabroadItishopedthatthenewdatasourcescanmjectnewbloodintoapplicationsinvariousfieldsofthenationaleconomyOfcours@，theimprovementofresolution

3、andtheenrichmentofpolarizationhaveprovidedpossibilityforthesuccessfulapplicationofSARdatainvariousfieldsThispaperdevotedonthemoreeffectiverecognitioneffectoftypicalfeaturesusingthenewhighresolutionpolarimetricSARdataseve

4、ralaspectanalysishavedonebasedonthenewsources：1InviewofnewhighresolutionSARdatacharacteristic，theauthordidanalysisofhighresolutionSARimagecharacteristicsoftypicalfeaturesandanalyzedthetypicalfeaturesinaccordancewiththepr

5、ovisionsofthesecondsurveyofthefirstbroadcategories：land，constructionland，forest，grass，transportland，waterorwaterconservancyfacilitiesandalsodiddetailedanalysisofthestructuralcharacteristicsandthepropertyofscatteringofthe

6、typicalfeatures，aswellastheimagingcharacteristicsindifferentpolarization2Introducedhi曲resolutionSARimagepretreatmentmethodradiometriccalibration，geometrycorrectionaswellastheSARimagefilteringisthemostmainthreeaspectsCons

7、ideringtheshortageofopticaldataincloudyrainareaProposedtheoptimizedchoicebasisWhengeometrycorrectionbetweenSARsAndhascomparedthecommonlyusedfiltermethodregardingthehiglaresolutionSARdatafiltereffect3Thedifferentmodeofhi曲

8、resolutionSARdatahasdifferentstructuralfeatureaswellasdetailattributeabilityThispaperdidcomparisonabouttypicalfeaturesrecognitioneffectofdifferentmodeofSARdataandalsomadecomparisonaboutdataenhancementandfeaturesrecogniti

9、oneffectofhighresolutionmultitemporalSARdataThencarriedonthemultitemporalSARdatacombinationclassifiedeffectappraisaltakeBeijingTongzhouDistrictasthetestarea4Polarizationinformationenhancementgreatlyimprovedtheabilitytoid