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X,,,,(,100871):,,(GPS),TrimbleAgGPS:;;;GPS1(),,,,:,;,;,,1992,(GPS),,GPS19931994,GPS,30%,,GPS1996,19%300km2GPS,19928,1.5km2GPS3,,,,,,90%2,,,:(1),,,,,(2),,,,(3),,532004.3/X:2004201213©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(4),,,,,,3,,:1m,10cm,5cm4(1),,1,,,,,,,,GIS,,,,,,,,,,,,,,,GPS,GPS411GPS,,,,,,,(),,,,412,,GPS,,,,,,,,,GPS,,GPS,,63GNSSWorldofChina/2004.3©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),,,,,,,,,,GPS,,GPS,,,:,,GPS,,2Ag2ChemEquipmentTerra2Gator9103,4,18m,GPS,,2Terra2Gator9103()(),,GPS,,,,,,,,(3):,2,,,IC,,GPS,IC,,,415,,,,,,,,732004.3/©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(112s),():,,,4417,,,5511,Trim2bleAgGPSAgG2PSAgGPSAgGPS106AgGPS114Ag2GPS122AgGPS124AgGPS132AgGPS214AgGPS,AgGPS132,,AgGPS,AgGPS70RDLAgGPSE2ZMapAgGPS160AgGPS170TrimbleAgGPSAutopilotAgGPSFlightbarAgGPSTrimFlight3Trimmark3,,,AgG2PS,,83GNSSWorldofChina/2004.3©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(1)DGPSDGPS,20,400500km,200300km,,,,,200300km,,DGPS(2),,OmniSTARDGPSOmniSTAR,,,,,DGPS,(3)DGPS,,5,,,,,15km,(2),DGPS,AgGPS,255,GPS,RTCMGPS932004.3/©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()Zone()Centered()Random()AtIntersections()None()51315,AgGPS170,,,,,AgGPS170,6GPS,TrimbleAg2GPS,,,,[1]1()[D]120031[2]1[J]1,1999,(4):21251[3]C.Yang.Avariablerateapplicationforcontrollingratesoftwoliquidfertilizers[J].AppliedEngineeringinAgri2culture,2001,17(3):409417.[4].[5],1[J]1,2001,(2):34351[6],-1GPS[J]1,2002,(1):50551[7],,1[J]1,20031[8]1[M]104GNSSWorldofChina/2004.3©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[9]1GPS[A]1[C]12001123261[10]1[M]1120011[11]1GPSAg132[A]1[C]12001190941:(19752),,20036,,7,ApplicationofsatellitepositioningtechnologyinprecisionagricultureWUCai2cong,CHENXiu2wan,YANGKai2xin,CHENJun2feng,ZHAOShu2he(InstituteofRemoteSensingandGIS,PekingUniversity,Beijing100871,China)Abstract:Satellitepositioningtechnologycouldbeusedtoeverytacheofprecisionagriculture,suchasprecisionseeding,precisionfertilization,precisionspraying,precisionirrigating,precisionreapingandsoon.Theapplicationofsatellitepositioningtechnologyintheagriculturalmechanismwouldextremelyincreasetheefficiencyofagriculturalproduction.ThepaperintroducestheapplicationofGPSintheprocessofprecisiona2griculture,andintroducesAgGPSsystem,anagriculturalsatellitepositioningsystemproducedbyTrimbleCor2porationofU.S.,anditsapplicationinsoilsampling.Keywords:Satellitepositioningtechnology;GPS;Precisionagriculture;Application(24)5,,,,:;,;,[1]1GPS[M]111996.10.[2]F.H.Bauer,K.Hartman,andE.G.Lightsey.Space2borneGPScurrentstatusandfuturevisions[A].inPro2ceedingsoftheIONGPS298Conference[C]1Nashville,TN,Sept.1998.[3]HaiyunZHang,ChunbaoYang,ZhondeQiu.TheGPSReveiverforMicro/Nanosatellites[A].Nanotech20022AttheEdgeofaRevolution/conference,Houston,Texas,USA,09.09.2002-12.09.20021[4]GP2021Datasheet,:(19762),,,GPSSpaceborneGPSreceiverdesignYANGChun2bao,ZHANGHai2yun,QIUZong2de,YOUZheng(TsinghuaSpaceCenter,Beijing100084)Abstract:SpaceborneGPSReceivercombinestheabilitytosensespacevehicletrajectory,attitude,timeandrelativerangingbetweenvehiclesintoon2package,Thereforeitenhancesonboardautonomyofspacevehi2cle.ThispaperintroducethehardwareandsoftwaredesingofSGRatTsinghuaSpaceCenter.Lastlytheex2perimentalresultandanalysisarepresented.Keyword:GlobalPositioningSystem;SpaceborneGPSReceiver(SGR)142004.3/©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.
本文标题:卫星定位技术在精准农业中的应用
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