GeomaticsScienceandTechnology测绘科学技术,2023,11(2),135-146PublishedOnlineApril2023inHans.https://www.hanspub.org/journal/gsthttps://doi.org/10.12677/gst.2023.112015文章引用:田学军,刘鑫,姜艳菊.ENVISAT和ALOS卫星SAR影像提取地表沉降的对比试验[J].测绘科学技术,2023,11(2):135-146.DOI:10.12677/gst.2023.112015ENVISAT和ALOS卫星SAR影像提取地表沉降的对比试验田学军,刘鑫,姜艳菊北京航天世景信息技术有限公司,北京收稿日期:2023年3月17日;录用日期:2023年4月18日;发布日期:2023年4月26日摘要本文介绍双轨法差分干涉测量中的数学模型及计算公式,并以ENVISAT和ALOS两种卫星得到的影像数据分析得到某一地区的地表沉降值,分析二者影像的不同点以及各自数据的特点。进行差分干涉处理,并进一步提取出地表沉降量,并且展开分析。对比解译和分析ENVISATASAR数据和ALOSPALSAR数据提取的差分干涉图和形变值,并最终得出二者卫星在提取地表形变中可行性的结论。关键词InSAR,ENVISAT,ALOS,差分干涉测量,地表沉降ComparativeExperimentofLandSubsidenceExtractionfromENVISATandALOSSatelliteSARImagesXuejunTian,XinLiu,YanjuJiangBeijingAerospaceShijingInformationTechnologyCo.,Ltd.,BeijingReceived:Mar.17th,2023;accepted:Apr.18th,2023;published:Apr.26th,2023AbstractThispaperintroducesthemathematicalmodelandcalculationformulainthetwo-trackdifferen-tialinterferometry,andanalyzesthelandsubsidencevalueofacertainareabyusingtheimagedataobtainedfromENVISATandALOSsatellites,andanalyzesthedifferencesbetweenthetwoimagesandthecharacteristicsoftheirrespectivedata.Carryoutdifferentialinterferenceprocessing,田学军等DOI:10.12677/gst.2023.112015136测绘科学技术andfurtherextractandanalyzethesurfacesettlement.ComparativeinterpretationandanalysisofdifferentialinterferogramsanddeformationvaluesextractedfromENVISATASARdataandALOSPALSARdata,andultimatelyaconclusionthatthetwosatellitesarefeasibleinextractingsurfacedeformationisreached.KeywordsInSAR,ENVISAT,ALOS,DifferentialInterferometry,SurfaceSubsidenceCopyright©2023byauthor(s)andHansPublishersInc.ThisworkislicensedundertheCreativeCommonsAttributionInternationalLicense(CCBY4.0).http://creativecommons....