傅立葉變換光譜儀教學系統(tǒng)的設計.pdf

1、天津大學碩士學位論文傅立葉變換光譜儀教學系統(tǒng)的設計姓名：李玉國申請學位級別：碩士專業(yè)：生物醫(yī)學工程指導教師：李剛20070101ABSTI認CTFouriertransformspectroscopyisawellknownandwidelyusedtechniqueItisapowerfultooltomeasurethespectraofweakextendedsources，sinceito仃ersdistinctthroughp

2、utandmultiplexadvantages，providinghighersignaltonoiseratioperformancecomparedwithothermethodsManycommercialFourierspectrometersaleavailableTheirmainapplicationsareinfieldsthatrequirehighresoiutionnlerefore，commonlyusedFo

3、urierspectrometersnecessitateasc鋤illgmirrormechanismwithveryhighprecision，resultinginlargesizeandhighcostNowadays，lowerresolutionminiaturespectrometersbecomea1慨tivebecauseofnewapplications，expandingopportunitiesinaremark

4、ablevarietyofdisciplinesandindustriesMiniaturizationcouldmakeinstrumentsandsensorssmaller，cheaperandfasterTargetapplicationsarevariousandtheyincludecolormeasurementsindustrialprocesscontrol，qualitycontroloffood，environme

5、ntalmonitoringormedicaldiagnosticsOtheraspects，likethesizeandthefabricationcostplayanimportantroleforthistypeofminiaturespectrometers，enablingtherealizationofsmallsize，portablesensorsolutionsThispaperisproposedforthepurp

6、oseofprovidingaplatformforthestudentsfacingopticMechatronicstOstudyanddoexperimentalresearcheS，aswdJasimprovingtheirrecognizingabilityoftheFourierspectrographwithMichelsoninterferometerandFourieropticsThepapermtroducesth

7、edesigningideaanddesigningproposalofFoufierTransformSpectrumexperimentalteachingsystemthatisfacingopticMechatronicsItgivesemphasistoexpatiateonthecomposingofthesystem，hardwareconfigurationandcharacteristicsofthesystemThi

8、sproposalisrelativelylowcost，becauseittakesuseofthemethodofmoduledesignAttheendofthepapertheauthorgivesthespectrumgraphofmeasuredsodiumlampandlowpressuremercurylampandthenanalyzestheresultTheexperimentalresultshowsthatth