资源描述：
《超低频任意波形信号发生器设计(labview)》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、超低频任意波形信号发生器设计(LabVIEW)摘要本文介绍了广泛应用于虚拟仪器程序设计的LabVIEW图形化集成开发平台，指出了它相对于传统程序设计语言的优点。探讨了在LabVIEW环境下,基于LabJackU12数据采集卡的任意波形发生器的设计,描述了LabJackU12的功能、特性、驱动及软硬件开发环境。并给出了该波形发生器在上述硬件的基础上,利用LabVIEW来编写驱动程序和软面板的方法。系统主要功能包括产生各种标准波形,利用鼠标绘制任意波形,波形编辑,波形的模拟输出等,具有操作简单、人机界面友好、软件可读性、可维护性好和系统易于升级等特点,
2、能满足实际测试的各种需要。基于虚拟仪器技术的测量仪器设计方法,是设计虚拟仪器系统以替代传统仪器,实现仪器快速开发的有效途径，有效地解决了在超低频率情况下信号发生的问题。关键词:超低频任意波形LabVIEWLabJackU12数据采集卡DesignofUltra-lowFrequencyArbitraryWaveformSignalGenerator（LabVIEW）ABSTRACTItcombinedcomputerhardware,measurementanditshardware,andsoftwareofvirtualinstrument.L
3、abVIEW,agraphicsintegrateddevelopmentenvironmentwidelyusedinvirtualinstrumentsdesign,isintroduced.Itsadvantagesrelativetothetraditionalprogramlanguagesarepresented.Inthispaper,TheDesignofArbitraryWaveformGeneratorwasanalyzedbaseonLabJackDAQcard,withLabVIEW.LabJackU12’sfunction
4、,peculiarity,driversandconditionofsoft-hardwarewaswritten.Basedonthesehardware,themethodthatThearbitrarywaveformgeneratorappliesgraphprogramminglanguageLabVIEWtoprogramdriveandsoft-panelwasintroduced.Themainfunctionsofthesystemincludesgeneratingconventionalwaves,usingmousetodr
5、awarbitrarywaves,editingwaveformandwaveformanalogout,andsoon.Andithasadvantagesofsimpleoperation,kindinterfacebetweencomputerandusers,readableandmaintainableblockprogram,andeasilyupgrade.Thesystemcansatisfytherequirementsofmanypraticaltesting.Finally,Thedesignmethodofanalyzedi
6、nstrumentsbasedonVirtualinstrumenttechnologyistheavailabilitywayofceleritydevelopmentinstruments,thispaperhelpstheinstrumentsinstead,Toeffectivelysolvetheultralowfrequencysignalinthecaseoftheproblem.KeyWords：Ultra-lowFrequencyArbitraryWaveformGeneratorLabVIEWLabJackU12DAQ(Data
7、acquisition)Card目录第一章概述11.1课题设计的意义及要求11.1.1意义11.1.2要求11.2虚拟仪器的概念及特点21.2.1虚拟仪器的概念21.2.2虚拟仪器的特点21.3超低频的概况和实现方法···························································································31.3.1超低频概念···································································
8、····································31.3.2超低频实现方案和推到公式·······
