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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25无锡科技职业学院科技论文TheapplicationofelectronicnoseTheapplicationofelectronicnoseAbstract:positivehumanolfactoryorganisacomplexphysiologicalreaction.Naturekindofodortensofthousands,evenprofessionalsspecializinginodoridentificationworkisoftenrecognitione
2、rrors.Keywords:electronicnosecomputertechnologydevelopedolfactoryorgansphysiologicalreaction"Customs"securitymonitoringneuralnetworksodorsensoridentificationinfraredsensorIntroduction:Theelectronicnosedevelopedahigh-techproductsissimulatedanimalolfactoryorgan,scientistsarestillnotallclearprinci
3、pleoftheanimal'ssenseofsmell.However,withthedevelopmentofscienceandtechnology,moreauthoritativesomeuniversitiesintheworldhavedevelopedelectronicnosehasawiderangeofapplications,mostnotablytothenumberoftheUniversityofHamburg,Germany,hasabsoluteauthorityinthesensorfieldintheworldtoday.Electronicno
4、seistheresponsepatterntoidentifytheodorofthegassensorarrayelectronicsystems,itcanbeinafewhours,daysorevenafewmonthstimewithinacontinuous,real-timemonitoringofthespecificlocationoftheodorcondition.Identifyingodormainmechanismoftheelectronicnoseisthateachsensorinthearrayhasadifferentsensitivityof
5、themeasuredgas.Thecoreofthedeviceoftheelectronicnosegassensor.Gassensorsbasedontheprincipleofdifferenttypeofmetaloxide,electrochemical,andconductivepolymertype,quality,photo-ionizationtypecanbedividedintomanytypes.Currentlythemostwidelyusedisametaloxide.Howitworks:Electronicnoseismainlycomposed
6、ofthreepartsofagassensorarray,signalpre-processingandpatternrecognition.Presentedinfrontofanactivematerialofthesensor,anodorsensorchemicalinputisconvertedintoanelectricalsignalbyapluralityofsensorresponsetoanodortheyconstitutethesensorarraytotheodoroftheresponsespectrum.Obviously,thevariouschem
7、icalcomponentsintheodorsensitivematerialsplayaroleinthisresponsespectrumforabroadspectrumofodorresponsespectrum.Toachievetheodorqualitativeorquantitativeanalysis,thesensor25无锡科技职业学院科技论文Theapplicationofelectronicnosesignalmustbeapp