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本科生毕业论文（设计）基于LabVIEW的虚拟模电实验系统的设计TheDesignoftheVirtualModelElectricExperimentSystemBasedonLabVIEW学院电子信息与电气工程学院专业电子信息工程姓名刘兴学号12037403指导教师王鹏完成时间2016.06I独创性声明本人声明所呈交的论文是我个人在导师指导下进行的研究工作及取得的研究成果。尽我所知，除了文中特别加以标注和致谢的地方外，论文中不包括其他人已经发表或撰写过的研究成果，也不包含为获得商洛学院或其他教育机构的学位或证书而使用过的材料。与我一同工作的同志对本研究所做的任何贡献均已在论文中作了明确的说明并表示了谢意。学位论文作者签名：_________________日期：_________________关于论文使用授权的说明本人完全了解商洛学院有关保留、使用学位论文的规定，即：学校有权保留送交论文的复印件，允许论文被查阅和借阅；学校可以公布论文的全部或部分内容，可以采用影印、缩印或其他复制手段保存论文。□公开□保密（____年____月）(保密的学位论文在解密后应遵守此协议)签名：导师签名：日期：II基于LabVIEW的虚拟模电实验系统的设计摘要:模拟电子技术是一门研究对仿真信号进行处理的模拟电路的学科。模拟电路教学中，实验是一种重要的教学方式，学生通过做实验，在实践的过程当中发现问题、分析问题和解决问题，但模拟电路大部分实验为验证性实验，硬件实验平台电路连接过程复杂，无法透彻了解仪器内部构造以及功能。且实验过程繁琐，受试验场体和试验经费影响，很难将所学习到的知识运用到实践中去。正是由于模拟电路硬件实验平台的不利于教学以及科研等活动的种种缺点，因此在此基础上开发了模拟电路软件实验平台借以克服上述多种缺点。本设计以LabVIEW为平台，设计了模拟电路虚拟实验系统，包括信号发生器、常用二极管特性电路、三极管放大电路、多级运算放大电路、加法运算电路、减法运算电路、积分运算电路、微分运算电路等基本电路。测试表明该平台可模拟基础验证性实验的实验过程，且操作简单，易于实现。关键词:放大器；虚拟仪器；LabVIEW；模拟电路实验基于Labview的虚拟模电实验系统的设计IIITheDesignoftheVirtualModelElectricExperimentSystemBasedonLabVIEWAbstract:Theanalogelectronictechniqueisbelongtothesubjectofanalogcircuit,whichisresearchingthesimulationsignaltoprocess.Intheteachingofanalogcircuit,theexperimentisanimportantteachingapproach.Throughtheexperiment,someproblemscanbefound,analyzedandsolvedbystudentsinpractice,butmanyexperimentsofanalogcircuitisverificationexperimentsandthecomplexityofhardwareconnectionisdeveloped,sotheinstruments’internalstructureandfunctioncannotbeunderstandthoroughly.Itisdifficulttoapplyforstudentsinpractice,becauseofthetrivalexperimentprocess,limitedexperimentfieldandexpensivefounding.Therelevantpersonnelaresohardtoteachandresearchonhardwareexperimentplatformofanalogcircuit,thatNIcompanyhasbeendevelopingthesoftwareexperimentplatformtosolvetheproblems.ThevirtualexperimentplatformofanalogcircuitaredevelopedbasedonLabVIEW,includingcommonsimulationofsignalgenerator,semiconductordiodecircuit,semiconductortriodecircuit,multistageoperationamplifiercircuit,addoperationcircuit,subtractionoperationcircuit,integraloperationcircuitanddiffferentialoperationcircuit,etc.Theshowsthattheplatformcananalogthebasicprocessofverificationexperimentsandfinishiteasily.Keywords:Amplifier;VirtualInstrument;LabVIEW;AnalogCircuitExperimentIV目录1绪论...........................................................................................................................................11.1研究目的......................................................................................................................11.2研究意义......................................................................................................................12虚拟仪器及LabVIEW简介.....................................................................................................22.1虚拟仪器的概述.........................................................................................................22.2LabVIEW的编程概述..................................................................................................33模拟电路实验系统软件实现.................................................................................................43.1模拟电路实验系统总体布局的设计........................................................................43.2信号发生器..................................................................................................................43.3二极管..........................................................................................................................63.4共射极放大电路.........................................................................................................73.4.1静态分析：.....................................................................................................73.4.2动态分析.........................................................................................................73.5单级基本放大电路.....................................................................................................93.6集成运算放大电路...................................................................................................103.7基本运算电路...........................................................................................................113.7.1加法运算电路...............................................................................................113.7.2减法运算电路...............................................................................................133.7.3积分运算电路...............................................................................................153.7.4微分运算电路...............................................................................................173.7.5总平台的构建...............................................................................................194程序调试及存在的问题.......................................................................................................215总结与展望............................................................................................................................22参考文献....................................................................................................