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1、毕业设计（论文）报告题目基于单片机的电子换号牌的设计系别专业班级学生姓名学号指导教师2013年4月26TheapplicationofelectronicnoseTheapplicationofelectronicnoseAbstract:positivehumanolfactoryorganisacomplexphysiologicalreaction.Naturekindofodortensofthousands,evenprofessionalsspecializinginodoridentificationworkisof
2、tenrecognitionerrors.Keywords:electronicnosecomputertechnologydevelopedolfactoryorgansphysiologicalreaction"Customs"securitymonitoringneuralnetworksodorsensoridentificationinfraredsensorIntroduction:Theelectronicnosedevelopedahigh-techproductsissimulatedanimalolfactor
3、yorgan,scientistsarestillnotallclearprincipleoftheanimal'ssenseofsmell.However,withthedevelopmentofscienceandtechnology,moreauthoritativesomeuniversitiesintheworldhavedevelopedelectronicnosehasawiderangeofapplications,mostnotablytothenumberoftheUniversityofHamburg,Ger
4、many,hasabsoluteauthorityinthesensorfieldintheworldtoday.Electronicnoseistheresponsepatterntoidentifytheodorofthegassensorarrayelectronicsystems,itcanbeinafewhours,daysorevenafewmonthstimewithinacontinuous,real-timemonitoringofthespecificlocationoftheodorcondition.Ide
5、ntifyingodormainmechanismoftheelectronicnoseisthateachsensorinthearrayhasadifferentsensitivityofthemeasuredgas.Thecoreofthedeviceoftheelectronicnosegassensor.Gassensorsbasedontheprincipleofdifferenttypeofmetaloxide,electrochemical,andconductivepolymertype,quality,phot
6、o-ionizationtypecanbedividedintomanytypes.Currentlythemostwidelyusedisametaloxide.Howitworks:Electronicnoseismainlycomposedofthreepartsofagassensorarray,signalpre-processingandpatternrecognition.Presentedinfrontofanactivematerialofthesensor,anodorsensorchemicalinputis
7、convertedintoanelectricalsignalbyapluralityofsensorresponsetoanodortheyconstitutethesensorarraytotheodoroftheresponsespectrum.Obviously,thevariouschemicalcomponentsintheodorsensitivematerialsplayaroleinthisresponsespectrumforabroadspectrumofodorresponsespectrum.Toachi
8、evetheodorqualitativeorquantitativeanalysis,thesensor26Theapplicationofelectronicnosesignalmustbeappropriatepretreatment(toe
