PCA法在分析大气气溶胶常量参数之间相关性分析中的应用

26220095()JournalofXinjiangUniversity(NaturalScienceEdition)Vol.26,No.2May,2009PCA¤¢¢(830046)NL{20pHPCA(PrincipalComponentAnalysis)TSPTSPpHPCAX131.1A1000-2839(2009)02-0203-04ResearchontheRelativityParameterwithConcentrationofAerosolwithPCAMethodDilnurTalip,AblikimAbliz(CollegeofChemistryandChemicalEngineering,XinjiangUniversity,Urumqi,Xinjiang830046,China)AbstractAerosolsampleiscollectedbyNL{20aerosolsamplerandpHandelectricconductorofitssolutionaredetermined.UsingPCA(PrincipalComponentAnalysis)method,thecorrelationcoe±cientshavebeencalculated.Keywordsaerosol;PCAmethod;relativehumidity0[1]11¤2008-09-052007(200721101).¢(1962-)204()2009[2»4][5»7]PM10(10¹m)[8]200412PM10PM105PM10PM10PM100.5mmPM10PM10PM105PM10PM1010»20pH2003NL{2011.1NL{20NK{20{10ANK{20{2.5AQTY10¹mQR{1002.5¹m1.2m3/h110»12m24h1.250%24h48h1.32122¢PCA20522.12003351222TSPpHEC(¹g/m3)(¹S/m)t(℃)RH(%)103.03.14112.037.0535525.6203.03.20272.065.991013.235.2303.03.26191.676.91671244.1403.03.2993.757.11599.257503.04.01291.677.04715.652.4603.04.03114.586.9539.51.762.6703.04.09177.086.95427.312.8803.04.101506.95672.549.6903.04.17114.586.9642.53.54.01003.04.23270.837.13465.634.31103.04.24239.587.0570.56.546.751203.04.29114.586.937523.43.671303.05.07145.836.5327.513.18281403.05.09145.836.6265.411.78432PCA(PrincipalComponentanalysis)[1]3PCArAB=kPi=1(CAi¡¹CA)(CBi¡¹CB)[kPi=1(CAi¡¹CA)2]1=2[kPi=1(CBi¡¹CB)2]1=2(1)rAB|ABk|¹CA=1kkXi=1CAi;¹CB=1kkXi=1CBi(2)rAB=rBA,rAA=rBB=13TSPpHECtRHTSP1-0.21390.4717-0.25810.6583pH-0.21391-0.4322-0.0160.0802EC0.4717-0.432210.03250.187t-0.2581-0.0160.03251-0.3926RH0.65830.08020.187-0.392613pHTSPTSPpHTSPSPM206()2009TSP3pH[8]30%TSPPM1050%[9]900t4.10tPM10PM1010»2.5TSPpH[10]1212200020011211»2123»6122»313PM10PM105PM10TSP33»5TSP2.5¹m93.75»291¹g/m3TSPTSPpH[1]JohnHSeinfed,SpyrosNPandis.Atmosphericchemistryandphysics[M].Wiley-intersciencepublication,1997,407-420.[2].[J].,1996(6):489-495.[3].[J].,2004,23(2):218-222.[4],.[J].,2002,23(6):12-23.[5],,,.PM10[J].,2004,17(1):41-44.[6],.[J].,1998,17(1):38-44.[7].[J].2005,19(3):154-157.[8].[J].200216(4):218-222.[9].PM10[J].200721(2):87-91.[10]¢.[J].200427():185-186.