遥感试题答案

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1、遥感试题答案Thischartiscalledtheelectromagneticspectrum,whichisarrangedinagraphinorderofthewavelength(orfrequency)oftheelectromagneticspectrum・2activeremotesensingrecordartificialmicrowaveradiationreflectedradiantenergytothesurfaceoftheearthbelongtotheactiveremotese

2、nsing,theinitiativeisthathisownprovideenergyandnotrelyonthesunandtheearthradiationThepassiveremotesensingrecordingofthemicrowaveradiationemittedbytheearth，ssurfacecanbethepassiveremotesensingsensorUltravioletremotesensingfromvariousplatforms,usingultravioletli

3、ghtbandtodetecttheremotesensingtechnologyofearthobjectsVisibleremotesensingfromvariousplatforms,usingthevisiblelightbandtodetecttheremotesensingtechnologyoftheearth6infraredremotesensingfromvariousplatforms,usinginfraredbandtodetecttheremotesensingtechnologyMi

4、crowaveremotesensingfromvariousplatforms,usingthemicrowavebandtodetecttheremotesensingtechnologyofearthobjectsSpecularreflectionmeansthatthereflectionofanobjectsatisfiesthelawofreflection,whichistheAngleofincidenee.9diffuseIftheincidentelectromagneticwavewavel

5、engthlambdaunchanged,thesurfaceroughnessofhincreasesgradually,untilthehwithlambdaordersofmagnitude,thentheentiresurfaceevenlyreflectingtheincidentelectromagneticwave・Thesurfaceroughnessofamixedreflectorsurfaceisthemoststronglyreflectedinacertaindirectionduetot

6、hefluctuationoftheterrain・Thisphenomenoniscalledmixedreflection.It'sacombinationofspecularreflectionanddiffusereflectionRayleighscatteringasthediameterofparticlesintheatmosphereislessthan1/10ormoreofthescattering.Q〈1.Scatteringcoefficientkr1/lambda4(comparedif

7、ferentwavelengthofscattering,brief,)The12mscatteringoccurswhenthediameteroftheparticleintheatmosphereisgreaterthan1/10ofthewavelengthofthewavelengthofradiation.Theq二3Scatteringcoefficientkm001/lambdann=1to2Non-selectivescatteringoccurswhenthediameteroftheparti

8、cleintheatmosphereisgreaterthanthewavelength・Thisscatteringischaracterizedbythefactthatthescatteringintensityisindependentofthewavelength,andthescatteringintensityofanywavelengthis