开放式科学数据管理例子.ppt

开放式科学数据管理例子,GNSS连续续运行参考站数据档案管理服务系统简介,针对应用需求分类管理,数据字典理解档案文件的确切含义Thestartingdirectoryforthesefilesis:/gnss/data/daily/,Appendthefollowingdirectoryandfilenamestothestartingdirectory:YYYY/DDD/YYt/mmmmDDD#.YYt.Zasdescribedinthetablebelow.CodeMeaningmmmm4-charactersitemonumentnameYYYY4-digityearYY2-digityearDDD3-digitdayofyear#sequencenumber(0,1,.)indicatingmultiplefileswithinaday;typically0ttypeofdata:d=Hatanaka-compressedobservationdatag=GLONASSbroadcastephemerisdatam=meteorologicaldatan=GPSbroadcastephemerisdatao=observationdatas=observationsummaryfiles(outputofTEQC).ZUNIXcompressedfile,构建存储结构FTP目录/gnss/data/daily位于,若要在Windows资源管理器中查看此FTP站点，请单击“页面”，然后单击“在Windows资源管理器中打开FTP”。转到高层目录09/06/201012:00上午目录199210/12/200412:00上午目录199310/27/200412:00上午目录199410/27/200412:00上午目录199510/12/200412:00上午目录199610/12/200412:00上午目录199710/12/200412:00上午目录1998,FTP目录/gnss/data/daily/1992/位于,若要在Windows资源管理器中查看此FTP站点，请单击“页面”，然后单击“在Windows资源管理器中打开FTP”。转到高层目录07/16/200812:00上午目录00107/16/200812:00上午目录00207/16/200812:00上午目录00307/16/200812:00上午目录00407/16/200812:00上午目录00507/16/200812:00上午目录00607/16/200812:00上午目录00707/16/200812:00上午目录00807/16/200812:00上午目录00907/16/200812:00上午目录01007/16/200812:00上午目录011,FTP目录/gnss/data/daily/1992/001/位于,若要在Windows资源管理器中查看此FTP站点，请单击“页面”，然后单击“在Windows资源管理器中打开FTP”。转到高层目录07/18/200812:00上午目录92d07/18/200812:00上午目录92n07/18/200812:00上午目录92o07/18/200812:00上午目录92s11/03/200412:00上午目录sum,数据实体与元数据的封装2OBSERVATIONDATAGPSRINEXVERSION/TYPENDCXGEOD.SURVEY,NATURA18-MAR-0413:54:46PGM/RUNBY/DATEalgoCACS-ACP883160AlgonquinParkONTCanadaMARKERNAME40104M002MARKERNUMBERGSDGEOD.SURVEY,NATURALRESOURCESCANADAOBSERVER/AGENCYR115ROGUESNR-8MEENIX7.?REC#/TYPE/VERS111AOAD/M_BANT#/TYPE91813066004561977.9300APPROXPOSITIONXYZ0.11400.00000.0000ANTENNA:DELTAH/E/N11WAVELENGTHFACTL1/25L1L2C1P1P2#/TYPESOFOBSERV120INTERVAL199211000.000000TIMEOFFIRSTOBS199211500.000000TIMEOFLASTOBSSTATIONINFORMATIONEFFECTIVEFROM:1991/01/1900:00:00COMMENTTO:1993/02/0800:00:00COMMENTBIT2OFLLIFLAGS(+4)DATACOLLECTEDUNDERASCONDITIONCOMMENTL1PHASECENTRE0.110mABOVEARPCOMMENTL2PHASECENTRE0.128mABOVEARPCOMMENTwhereARPistheAntennaReferencePointforHImeasurementCOMMENTENDOFHEADER9211000.00000000331418-11266271.7449-8778898.520923300265.20123300271.282-12320991.2657-9600723.598822091477.38722091483.165-5074006.9555-3953754.972624033652.68824033662.1929211020.00000000331418-11412800.7895-8893076.695523272381.28023272387.429-12101313671622133280.61422133286.392-5486391.2264-4275092.009523955177.82623955186.8739211040.00000000331418-11548733.5605-8998998.120523246514.35223246520.349-11873753.4848-9252226.520622176583.66022176589.531-5896627.8363-4594755.671523877111.19823877119.4119211060.00000000331418-11673952.3765-9096571.008523222685.88923222691.809-11638069.7248-9068576.788622221432.67022221438.548-6304296.5763-4912418.330523799533.50423799541.8809211080.00000000331418-11788347.5845-9185709.844523200916.