ETM+數(shù)據(jù)溫度反演流程

步驟一：打開影像(注意要打開的是MTL.txt影像)，打開后效果如下圖所示: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步驟二：對熱紅外波段數(shù)據(jù)進(jìn)行傳感器定標(biāo)，利用的功能為如下所示口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節(jié)'ClI4Jffl-SMapInfoO口]LZ3039JJ3BZ0010503_M：_tz：-:■■-□EIW4?and1J、uqtLtj■■■□ETN4^letaOSP：：l:ozcct；■□ETN4^leta(paad3.):ozcot詼Meta(band4)"n-;nr卜.□EIN+^leta(Band5)::=哂?—口EIN+lleta(：3ttn.dT)■二乩譏由?逢MopInfoEl-□■■tgL7]LZ3039JJ3BZ00105D3JHLtM；卜口EIN4血"(Baid.B)(0.TIBSjj?MspInfo回L71LB3099_CB92i：iDia509_NTLbdAVHRRLandsatCoilibr-arition點(diǎn)擊LandsatCalibration出現(xiàn)如下對話框：選擇中間一個影像，并且對其進(jìn)行Spectralsubset處理。如圖所示：Spectralsubset:■'犁FileSpectralSubset I." "JETIHhk13CBand.6L〕〔ETIHhk13CBand.6L〕〔ll.哲DO〕：LT11ND旳一CO說DOLD和工_MTL.htETM4HetaCBani62)(11.4500):L71123039_03920010503JTL.&tHijitiIierotitHirnsselected：1AddTl：=lti.p;eSelectAllCle：=□：-ImportASCII...OKC：=lti.celI're^iq口弓注意只選擇Band61進(jìn)行處理，點(diǎn)擊OK以后可以發(fā)現(xiàn)如下變化:◎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:、上課貿(mào)料l教學(xué)大舸和課件'課程實(shí)習(xí)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時，Slffi_ELEVATION=63.6775759,點(diǎn)擊OK,出現(xiàn)傳感器定標(biāo)對話框:注意：選擇的是而不是（但是NDVI在計(jì)算之前進(jìn)行傳感器FiefleetSLTLQE定標(biāo)時選擇的是),注意：選擇的是而不是（但是NDVI在計(jì)算之前進(jìn)行傳感器FiefleetSLTLQE定標(biāo)時選擇的是),定注意。選擇好以后，輸入文件名，點(diǎn)擊OK,實(shí)現(xiàn)熱紅外數(shù)據(jù)的傳感器定標(biāo):第三步：對于傳感器定標(biāo)以后的熱紅外數(shù)據(jù)進(jìn)行亮溫的反演打開Basictools->bandmath對話框：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課資料\教學(xué)尢綱和課件l課裡實(shí)習(xí)資料\calib

/.EntEt：=HLfiKprMEEiOIL：丄、/亠4厶、r—+、i八在 欄中輸入如下表達(dá)式：(1282.71)/alog(666.09/b1+1)BandMathOE Cancel Help點(diǎn)擊OK后，定義B1為經(jīng)過傳感器定標(biāo)的熱紅外數(shù)據(jù):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(dú)工：上"E“卸L711￡：039_0j9200105D3_MTL.LaL?““□3TM血3Jia-LdG11(11.4530)-□3TMlieLiJia-Ld