拉曼光谱的数据初步处理VIP免费

北京理工大学本科生毕业设计（论文）摘要本文主要目的是熟悉拉曼光谱仪原理，并掌握拉曼光谱仪的实验测量技术以及拉曼光谱的数据初步处理。文章首先论述了拉曼光谱仪开发设计、安装调试中所应用的基本理论、设计原理与关键技术，介绍了激光拉曼光谱仪的发展动态、研究方向和国内外总体概况。其次阐述了拉曼散射的经典理论及其量子解释。并说明了分析拉曼光谱数据的各种可行的方法，包括平滑，滤波等。再次根据光谱仪器设计原理详细论述了分光光学系统的结构设计和激光拉曼光谱仪的总体设计，并且对各个部件的选择作用及原理做了详细的描述。最后，测量了几种样品的拉曼光谱，并利用文中阐述的光谱处理方法进行初步处理，并且进行了合理的分析对比。总之，本文主要从两个方面来分析拉曼光谱仪的实验测量和光谱数据处理研究：一、拉曼光谱仪的结构，详细了解拉曼光谱仪的工作原理。二、拉曼光谱数据处理分析，用合理的方法处理拉曼光谱可以有效便捷的得到较为理想的实验结果。通过对四氯化碳、乙醇、正丁醇的光谱测量以及光谱数据分析，得到了较为理想实验效果，证明本文所论述方法的可行性和正确性。关键词:拉曼光谱仪光栅光谱分析AbstractI北京理工大学本科生毕业设计（论文）PurposeofthispaperisfamiliarwithRamanSpectrometer,andmasteryofexperimentalmeasurementsofRamanspectroscopyandRamanspectroscopytechniquespreliminarydataprocessing.ThearticlefirstdiscussestheRamanspectrometerdevelopment,design,installationandcommissioningintheapplicationofthebasictheory,designprinciplesandkeytechnologies,laserRamanspectrometerdevelopments,researchdirectionandoverallprofileathomeandabroad.ThesecondsectiondescribestheclassicaltheoryofRamanscatteringandquantumexplanation.AndshowstheRamanspectraofthevariouspossibleways,includingsmoothingandfiltering.AgainaccordingtospectrometerdesignprinciplesdiscussedindetailthespectroscopicopticalsystemdesignandlaserRamanspectrometeroveralldesign,andthechoicefortheroleofthevariouscomponentsandtheprincipleofadetaileddescription.Finally,themeasuredRamanspectraofseveralsamples,andusepaperdescribesmethodsforspectralprocessinginitialtreatment,andforareasonableanalysisandcomparison.Insummary,thispapermainlyfromtwoaspectstoanalyzeexperimentalmeasurementsofRamanspectroscopyandspectraldataprocessingresearch:First,thestructureofRamanspectroscopy,Ramanspectroscopydetailedunderstandingoftheworkingprinciple.Second,Ramanspectroscopydataprocessingandanalysis,areasonableapproachtoeffectiveandconvenientRamanspectroscopycanbemoreidealresults.Throughcarbontetrachloride,ethanol,n-butanolandspectraldataanalysisspectralmeasurementsobtainedmoresatisfactoryexperimentalresultsdiscussedinthisarticledemonstratethefeasibilityandcorrectness.Keywords:RamanspectrometergratingspectralanalysII北京理工大学本科生毕业设计（论文）目录第1章引言.............................................................................................................................11.1拉曼光谱分析技术............................................................................................................11.2现代拉曼光谱技术与特点.................................................................................................21.3研究拉曼光谱仪的意义.....................................................................................................21.4本文的主要内容................................................................................................................3第2章基本理论..............................................................................................................