ETM+数据温度反演流程

步骤一：打开影像(注意要打开的是MTL.txt影像)，打开后效果如下图所示:③AvailableBandsList」FileOptions曰“回LT1123039_03920010503_MTL.twt：…□ETMfMeta(Band8)CO.719^^MapIn£c白••匍1LT112303g_03g20010503_MTL.tx-tj…□ETM-bMeta(Band60(11.4E00)i…□ETM-bMeta(Band62^(11.4E00)MapInfoE)-glLT1123039_03920010503__MTL.tx-t口ETM+-Neta(Band1)C0.482E^;“口ETM+-Neta(Band2)®.5B50^!“□ETM+-Neta(Band3)(O.BBOO)!“□ETM+-Neta(Band4)(O.S250)!“□ETM+-Neta(Band5)(1.6500)1“□ETM+-Neta(DandT)②盈0。）S-®MapIiLf'j步骤二：对热红外波段数据进行传感器定标，利用的功能为如下所示口FilrBasicTookClassificationTransiormFite*-SpectralMapVectorTopographicRadarWindowHelpAaBbCcDdResizBCaiai(^patjal/SpectrEillSubsetDataviaROlsRotate/FlipDataLayerEaackingConvertData(ESQB1L』BI=9StretchD臼帖Statistics ►SpatialStatistics ►ChargeDetection ►Meo^uirementToolBendMathSprciralMothGegmeniistionImagerRc-gianOfInterc-stMosaickingMaskingPreproceEsirgJiCalibrationUtilitiesGeneralPurposeUtilitiesenisi i i i i i i i i i■■IV^^^runurmw□Metari>..i'1'fl1甘■—□EIN十Meta(Band节'ClI4Jffl-SMapInfoO口]LZ3039JJ3BZ0010503_M：_tz：-:■■-□EIW4©and1J、uqtLtj■■■□ETN4^letaOSP：：l:ozcct；■□ETN4^leta(paad3.):ozcot诙Meta(band4)"n-;nr卜.□EIN+^leta(Band5)::=哂?—口EIN+lleta(：3ttn.dT)■二乩讥由•逢MopInfoEl-□■■tgL7]LZ3039JJ3BZ00105D3JHLtM；卜口EIN4血"(Baid.B)(0.TIBSjj™MspInfo回L71LB3099_CB92i：iDia509_NTLbdAVHRRLandsatCoilibr-arition点击LandsatCalibration出现如下对话框：选择中间一个影像，并且对其进行Spectralsubset处理。如图所示：Spectralsubset:■'犁FileSpectralSubset I." "JETIHhk13CBand.6L〕〔ETIHhk13CBand.6L〕〔ll.哲DO〕：LT11ND旳一CO说DOLD和工_MTL.htETM4HetaCBani62)(11.4500):L71123039_03920010503JTL.&tHijitiIierotitHirnsselected：1AddTl：=lti.p;eSelectAllCle：=□：-ImportASCII...OKC：=lti.celI're^iq口弓注意只选择Band61进行处理，点击OK以后可以发现如下变化:◎Land^atCalibrationInputFileEelec七InputFile：L7112303903920010503MIL.匕比LT112303903920010503MIL.txtLT1123039_0392UU105U3_MTL.如tFilmDimsSize◎Land^atCalibrationInputFileEelec七InputFile：L7112303903920010503MIL.匕比LT112303903920010503MIL.txtLT1123039_0392UU105U3_MTL.如tFilmDimsSizeFileFileInformat1otl'E:、上课贸料l教学大舸和课件'课程实习802131T021x2[BSQ][Byte] 535Lytes.LandsitHetsditaSensorType；EyteQfdsr:Frsjection；Fiw&l:Datum:Landsa.tETMHostCEntslJUTM,航鬧49ffsrth30Metersff(?3-84Wavel&ngth11.-45to11.45MicrometerzUpperLeftCorner:1,LDescription：GEOTIFFFileImportedintoEm[SunDec3009:46:522012];GEOUT二LIMETADATAFILE,ACQUISITION_DATE=2001-05-03,SPACECRAFTID=Lanh妣匚SEHSORID=:ET时，Slffi_ELEVATION=63.6775759,点击OK,出现传感器定标对话框:注意：选择的是而不是（但是NDVI在计算之前进行传感器FiefleetSLTLQE定标时选择的是),注意：选择的是而不是（但是NDVI在计算之前进行传感器FiefleetSLTLQE定标时选择的是),定注意。选择好以后，输入文件名，点击OK,实现热红外数据的传感器定标:第三步：对于传感器定标以后的热红外数据进行亮温的反演打开Basictools->bandmath对话框：0ENVILandsatCalibration丄L：=ltli1e：=l七Satelli七己SenseDataAcqnisitinnMunthDatiAcqu.i5i+icnD：iv:Data.Acqu.iEi+i<rLY^：m・SutlElevationl.d.eg.1:Ualibr2tionTjte'Q'Radi：iiLce Reflect：inc已Edi七CalibrationP：=n_:=jtietersOnitputFieeklL+toFile Memoi_yErL+hjFOutputFilhjrL：±JTih!Chuos^ 匚oripressE：Vt课资料\教学尢纲和课件l课裡实习资料\calib

/.EntEt：=HLfiKprMEEiOIL：丄、/亠4厶、r—+、i八在 栏中输入如下表达式：(1282.71)/alog(666.09/b1+1)BandMathOE Cancel Help点击OK后，定义B1为经过传感器定标的热红外数据:竽VariablestoBandsPairings [-空・lExp：(1282.T1)/al0g(666.09/b1+0V：ariatl*usedinexpressiotl:Bl一[uTLilEfirLEd]AvailableB:iiulsListH"{3][Memi：«ryl] >■TMC：il(ETM+Meta(B^d61：：i：L7112|也超MapInfo白“0171123039_03920010503_MTL.txt“•“□ETM+MetaCBand8)(0.719^)|也鬢MapInfo日甸LT11Z3039_03920010503_MTL.tKt 〒；■ rrr KMapV:=Lt~iaLletoInputFile2xp；[12S2.Tl：l/.xLe(G&P..OQ；LH-l)V^riablasusedinexpression：MBUM■MeTiIeI"Vale["TnbA.V8il：ibleBanisListQ囲[Mcnoryl]jU□瑞匚二(ETFH朕G(E^dCl):L711Z]由“喧獨工：上"E“卸L711£：039_0j9200105D3_MTL.LaL•““□3TM血3Jia-LdG11(11.4530)-□3TMlieLiJia-Ld