欢迎来到天天文库
浏览记录
ID:43503091
大小:775.41 KB
页数:9页
时间:2019-10-08
《高分四号静止轨道卫星高精度在轨几何定标_王密》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、第46卷第1期测绘学报Vol.46,No.12017年1月ActaGeodaeticaetCartographicaSinicaJanuary,2017引文格式:王密,程宇峰,常学立,等.高分四号静止轨道卫星高精度在轨几何定标[J].测绘学报,2017,46(1):53-61.DOI:10.11947/j.AGCS.2017.20160300.WANGMi,CHENGYufeng,CHANGXueli,etal.HighAccuracyOn-orbitGeometricCalibrationofG
2、eostationarySatelliteGF4[J].ActaGeodaeticaetCartographicaSinica,2017,46(1):53-61.DOI:10.11947/j.AGCS.2017.20160300.高分四号静止轨道卫星高精度在轨几何定标王密1,程宇峰1,常学立2,龙小祥3,李庆鹏31.武汉大学测绘遥感信息工程国家重点实验室,湖北武汉430079;2.武汉大学资源与环境科学学院,湖北武汉430079;3.中国资源卫星应用中心,北京100094HighAccuracyO
3、n-orbitGeometricCalibrationofGeostationarySatelliteGF41,CHENGYufeng1,CHANGXueli2,LONGXiaoxiang3,LIQingpeng3WANGMi1.StateKeyLaboratoryofInformationEngineeringinSurveying,MappingandRemoteSensing,WuhanUniversity,Wuhan430079,China;2.SchoolofResourceandEnv
4、ironmentSciences,WuhanUniversity,Wuhan430079,China;3.ChinaCentreforResourcesSatelliteDataandApplication,Beijing100094,ChinaAbstract:GF4satelliteisthefirsthighresolutionopticalgeostationarysatelliteforremotesensingintheworld,andthehighaccuracygeometric
5、calibrationisthekeyfactorforthegeometricalqualityofsatelliteimagery.ThepositioningerrorsandthefeaturesofimagingregionofGF4wereanalyzed,therigorousimagingmodelwasintroduced.Thenonorbitcalibrationmodelandparametersestimationmethodwereintroducedforplanar
6、arraysensorofGF4satellite.TheexperimentsusedtheDOMofLandsat8andDEMofGDEM2fortheon-orbitcalibration,andtheresultsindicatedthatinternalaccuracyofthepanchromaticandnear-infraredsensorandintermediateinfraredsensorcanbestablybetterthan1pixelinthealongandve
7、rticaltrackdirection,andtheabsolutepositioningaccuracyofGF4wouldbegreatlyaffectedbyimagingtimeandimagingangle,andfluctuatedremarkably.Keywords:geostationarysatellite;GF4satellite;geometriccalibration;internalaccuracy;positioningaccuracyFoundationsuppo
8、rt:TheNationalBasicResearchProgramofChina(973Program)(Nos.2014CB744201;2012CB719902;2012CB719901);TheNationalNaturalScienceFoundationofChina(Nos.41371430;91438112;91438203;91438111;40901209)摘要:高分四号是世界上第一颗静止轨道高分辨率光学遥感卫星,高精度的几何定标是确保其成像几何质量的关键。本文
此文档下载收益归作者所有