扶贫捐赠慰问活动主持词精准扶贫捐赠

222014678223003。、、1、10、1001000Hz、、、。LDAPCA5。0.881。。TS210.7A1007－7561201406－0078－05DetectionofChineseliquorbyelectronicnoseandelectronictongueZHOUHong－biaoLIShanCollegeofElectronicandElectricalEngineeringHuaiyinInstituteofTechnologyHuai'anJiangsu223003AbstractTherapiddetectionofChineseliquorqualitybyelectronicnoseandelectronictonguewasstud-ied．Theadulteratedliquorswithdifferentbrandsdifferentflavorsanddifferentproportionsweredetec-ted．Theoverallodorresponsespectraofelectronicnoseandtheresponsesignalsofelectronictongueexcitatedbypulsein1Hz10Hz100Hzand1000Hzfourfrequencybandscomposedofgoldsilvertungstentitaniumfourworkingelectrodeswereanalyzedbyprincipalcomponentanalysislineardis-criminantanalysisandpartialleastsquaremethod．Theresultsshowedthatelectronictonguewassuperiortoelectronicnoseindistinguishdifferentbrandsanddifferentflavorofliquorsandtherecognitioneffectoflineardiscriminantanalysiswasexceededthanthatofprincipalcomponentanalysis．Forthequantita-tivepredictionmodelaccordingpartialleastsquaremethodwhentaking5principalcomponentsthemodelofelectronictonguewastheoptimalone．ThemodelaccuracywastestedbyindependentsamplethecorrelationcoefficientofpredictionandreferencevaluesofPLSmodelwas0．881．Thismethodwillprovidebasicinformationforqualitycontrolofliquorsbothinproductionandsale．KeywordsdetectionofChineseliquorelectronicnoseelectronictongueprincipalcomponentanalysislineardiscriminantanalysispartialleastsquaremethod2014－05－22612030561980．、、、1。。、、2。。222014679。3。、、、。、、4。、、、、5。Toko、Le-gin、Winqulst、MariaＲiul、、、。、、、、。445。11.140%vol、、45%vol、、52%vol、、52%vol、、198353%vol、、53%vol、、52%vol、、42%vol、、42%vol、9、、、。1.2TGSTGS2600、TGS2602、TGS2610、TGS2611、TGS26206。Au、Ag、Wu、TiAg－AgCl。71、10、100、1000Hz0v0.2v+1v。STM32LabVIEW、、1。11.35mL。60s。、100s。206。22220146802a。2b、2s124×20=80。520×5。20×32020×80。1.4PrincipalComponentAnalysisPCA8。PCA。LinearDiscriminationAnalysisLDA9。LDA。PartialLeastSquareMethodPLS10。PLS2XYXY。PCA、LDAPLSMATLABＲ2012b。22.1PCA4。PC1～PC578.29%、14.62%、5.19%、1.42%0.48%292.91%。5PC1－PC579.01%、14.79%、4.67%、1.04%0.49%93.80%。12。3412。55。4。3PCALDA。67.25%、27.03%5.72%94.28%。89.45%、9.0%1.55%98.57%。412。2。2.2PCA42220146814LDA93.55%93.18%12。2125412。5PCALDA612。98.18%1297.33%。。64。6LDA2.31∶4、1∶3、1∶2、1∶1、2∶1、3∶14∶10.20、0.25、0.33、0.50、0.67、0.750.80535287。、222014682。4。PLS。PＲESS。7PＲESS5PＲESS50.881。7PＲESSPLS。8。8PLS79PLS。60.706。93/、、LDAPCALDA。5。。1.J.2011439516－520.2.J201382177－181.3.J.201030192－96.4.J20112711378－381.5.J.2011274361－365.6.J.201238128－10.7.J.20091031－34.8.J.2012128170－177.9.J.2011113158－163.10MiguelPerisLauraEscuder－Gilabert.A21stcenturytechniqueforfoodcontrolElectronicnosesJ.AnalyticaChimicaActa200963861－15.11LuoDHosseiniHGStewartJＲ.ApplicationofANNwithextrac-tedparametersfromanelectronicnoseincigarettebrandidentifica-tionJ.SensorsandActuatorsB2009993253－257.●