{"id":"bff51474-a814-4c9b-92f7-666c7acc391c","title":"格陵兰ASAR数据（2005）","title_en":"ASAR dataset of Greenland (2005)","serial":"地球大数据科学工程专项时空三极环境项目","user_limit":"为尊重知识产权、保障数据作者的权益、扩展数据中心的服务、评估数据的应用潜力，请数据使用者在使用数据所产生的研究成果中（包括公开发表的论文、论著、数据产品和未公开发表的研究报告、数据产品等成果），明确注明数据来源和数据作者。对于转载（二次或多次发布）的数据，作者还须注明原始数据来源。","instructions":"","description":"该数据为2005年格陵兰岛地区ENVISAT-1卫星ASAR传感器获取的Wide Swath模式Level 1B级SAR数据，幅宽400km，空间分辨率为75m，绝对定位精度约为200米。\n该SAR数据在存储时都是以时间增长为序的方式存储的，这使的下行轨道的图象为左右镜象，而上行轨道的图象为上下镜象。\n该数据的命名规则如下例所示：\nASA_IMS_1PPIPA 20050402_095556_000000162036_00065_16151_0388.N1\nASA: 产品标识,ASAR传感器\nIMS: 数据的接收、处理信息(成像模式，如WS，WSS，IM，...) \n1PPIPA:订制的编号\n20050402: 数据获取的时间（UTC时间)\n095556:地理位置（开始、结束）\n000000162036:卫星轨道信息 \n00065:产品信任数据\n16151:产品大小、结构信息\n0388 => 校验码","doi":"","projection":"","language":"zh","share_type":"online","east":360.0,"west":null,"south":50.0,"north":90.0,"scale":75,"crs":"","filesize":520000.0,"share_policy":"a","ts_created":"2018-02-13T22:23:26+08:00","doi_type":"国际公开共享数据","ts_updated":"2021-04-19T19:12:40.766552+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":"N1","project":[10,11],"specials":["5f218875-5eed-4939-8208-7bf54c573e42"],"cite":"","review_status":5,"review_invite":[],"review_editor":{"id":21057,"last_login":"2022-04-02T11:43:37.753860+08:00","username":"gecm","email":"gechm@lzb.ac.cn","is_active":true,"is_staff":true,"user_name":"盖春梅"},"data_sources":"","temporal_resolution":"","spatial_resolution":"m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[5],"subtopics":{"metadata":"bff51474-a814-4c9b-92f7-666c7acc391c","three_pole":"XDA19070100","third_pole":null},"username":"","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":2364}