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OverviewofRemoteSensing杨龙龙62100209韩会鹏62100210崔岩62100224郑学法62100225 OverviewofRemoteSensing杨龙龙1OverviewofRemoteSensing1.ConceptofRemoteSensing2.HistoryofRemoteSensing3.TypesofRemoteSensing4.DataQualityoffRemoteSensingOverviewofRemoteSensing1.Co2TheConceptofRemoteSensingwhatdoesitmean?obtainqualitativeandquantitativeinformationwithoutbeingindirectphysicalcontactspecializedphotographiccamerasystemsoptical-mechanicalremotesensingdetectors.TheConceptofRemoteSensingw3(遥感专业英语)OverviewofRemoteSensing课件4(遥感专业英语)OverviewofRemoteSensing课件5TheHistoryofRemoteSensingOverviewofRemoteSensingTheHistoryofRemoteSensingO6Thefirstknownaerialphotographwasobtainedfromatetheredballoon1,700-ft.aboveParis,Francein1858.balloonsThefirstknownaerialphotogr7pigeons1903pigeons19038TheTR-1reconnaissance/surveillanceaircraft.TheTR-1reconnaissance/survei9The2001MarsOdysseyusedspectrometersandimagerstohuntforevidenceofpastorpresentwaterandvolcanicactivityonMars.The2001MarsOdysseyusedspe10TypeofRemoteSensingPassiveRemoteSensingActiveRemoteSensingTypeofRemoteSensingPassive11TypeofRemoteSensingObjectsSunRemoteSenorRadiationEnergyReflectedRadiationEmitRadiationPassiveRemoteSensingTypeofRemoteSensingObjectsS12TypeofRemoteSensingObjectsRemoteSenorEmitRadiationReflectedRadiationActiveRemoteSensingTypeofRemoteSensingObjectsR13DATAQUALITYSpatialresolutionSpectralresolutionRadiometricresolutionTemporalresolutionThequalityofremotesensingdataconsistsofitsDATAQUALITYSpatialresolution14SpatialresolutionThesizeofa
pixel
thatisrecordedina
rasterimage
–typicallypixelsmaycorrespondtosquareareasranginginsidelengthfrom1to1,000meters.0.5m10mSpatialresolutionThesizeof15SpectralresolutionThewavelengthwidthofthedifferentfrequencybandsrecorded–usually,thisisrelatedtothenumberoffrequencybandsrecordedbytheplatform.
Current
Landsat
collectionisthatofsevenbands,includingseveralintheinfra-redspectrum,rangingfromaspectralresolutionof0.07to2.1μm.SpectralresolutionThewavele16SpectralresolutionTheHyperionsensoronEarthObserving-1resolves220bandsfrom0.4to2.5μm,withaspectralresolutionof0.10to0.11μmperband.SpectralresolutionTheHyperio17RadiometricresolutionThenumberofdifferentintensitiesofradiationthesensorisabletodistinguish.Typically,thisrangesfrom8to14bits,correspondingto256levelsofthegrayscaleandupto16,384intensitiesor"shades"ofcolor,ineachband.RadiometricresolutionThenum18TemporalresolutionAperformanceindexoftheremotesensingimagetimeinterval.Alsonamedasregressioncycle.Fengyun-1CLandsat7TemporalresolutionAperforma19THANKYOU!THANKYOU!20OverviewofRemoteSensing杨龙龙62100209韩会鹏62100210崔岩62100224郑学法62100225 OverviewofRemoteSensing杨龙龙21OverviewofRemoteSensing1.ConceptofRemoteSensing2.HistoryofRemoteSensing3.TypesofRemoteSensing4.DataQualityoffRemoteSensingOverviewofRemoteSensing1.Co22TheConceptofRemoteSensingwhatdoesitmean?obtainqualitativeandquantitativeinformationwithoutbeingindirectphysicalcontactspecializedphotographiccamerasystemsoptical-mechanicalremotesensingdetectors.TheConceptofRemoteSensingw23(遥感专业英语)OverviewofRemoteSensing课件24(遥感专业英语)OverviewofRemoteSensing课件25TheHistoryofRemoteSensingOverviewofRemoteSensingTheHistoryofRemoteSensingO26Thefirstknownaerialphotographwasobtainedfromatetheredballoon1,700-ft.aboveParis,Francein1858.balloonsThefirstknownaerialphotogr27pigeons1903pigeons190328TheTR-1reconnaissance/surveillanceaircraft.TheTR-1reconnaissance/survei29The2001MarsOdysseyusedspectrometersandimagerstohuntforevidenceofpastorpresentwaterandvolcanicactivityonMars.The2001MarsOdysseyusedspe30TypeofRemoteSensingPassiveRemoteSensingActiveRemoteSensingTypeofRemoteSensingPassive31TypeofRemoteSensingObjectsSunRemoteSenorRadiationEnergyReflectedRadiationEmitRadiationPassiveRemoteSensingTypeofRemoteSensingObjectsS32TypeofRemoteSensingObjectsRemoteSenorEmitRadiationReflectedRadiationActiveRemoteSensingTypeofRemoteSensingObjectsR33DATAQUALITYSpatialresolutionSpectralresolutionRadiometricresolutionTemporalresolutionThequalityofremotesensingdataconsistsofitsDATAQUALITYSpatialresolution34SpatialresolutionThesizeofa
pixel
thatisrecordedina
rasterimage
–typicallypixelsmaycorrespondtosquareareasranginginsidelengthfrom1to1,000meters.0.5m10mSpatialresolutionThesizeof35SpectralresolutionThewavelengthwidthofthedifferentfrequencybandsrecorded–usually,thisisrelatedtothenumberoffrequencybandsrecordedbytheplatform.
Current
Landsat
collectionisthatofsevenbands,includingseveralintheinfra-redspectrum,rangingfromaspectralresolutionof0.07to2.1μm.SpectralresolutionThewavele36SpectralresolutionTheHyperionsensoronEarthObserving-1resolves220bandsfrom0.4to2.5μm,withaspectralresolutionof0.10to0.11μmperband.SpectralresolutionTheHyperio37RadiometricresolutionThenumberofdifferentintensitiesofradiationthesensorisabletodistinguish.Typically,thisrangesfrom8to14bits,correspondingto256levelsofthegrayscalea
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