《虚拟仪器》 实验指导书
中南大学信息科学与工程学院
2015年3月
1
目 录
实验一 创建和编辑VI程序 ··················································································· 1
实验二 变量、数组与簇 ························································································· 2
实验三 结构与属性控制 ························································································ 4
实验四 波形显示 ································································································· 5
实验五 字符串与文件I/O ······················································································ 6
实验六 数学分析与信号处理 ·················································································· 7
实验七 数据采集卡配置及应用 ··············································································· 8
实验八 应变测试 ································································································ 12
附录 LABVIEW软件安装 ······················································································ 15
前 言
《虚拟仪器》实验分为软件实验部分和硬件实验部分：实验一至实验六为软件实验部分，主要学习图形化编程软件LabVIEW的原理及编程方法，按照实验内容和要求进行操作，循序渐进地掌握VI程序及子程序的创建和调用，编辑和调试，各种结构、图表、图形和数组的使用，以及字符串和文件I/O的操作，熟悉LabVIEW的各种函数以及菜单，选项的作用和功能。实验七至实验八为硬件实验部分，主要了解PCI-6024E多功能数据采集卡的使用方法和采集通道设置，并创建VI程序控制数据采集卡的I/O操作，利用信号发生器产生信号，实时检测，显示测量数据及波形，并写出实验报告。
在教学上，让学生学会使用LabVIEW系统的在线帮助，以获得更快更详细的帮助信息，帮助理解和掌握所学的内容。
实验注意事项：
? 请同学们在F盘根目录下建立一个自己的文件夹，把课堂练习的文件存
在该文件夹中。
? 同学们在使用LabVIEW系统自带的示例程序后，关闭时不可保存，以免
改动原文件，但可以用另存的方式保存在其它文件夹中（如同学自己的文夹）。
? 在硬件实验中，信号发生器的输出幅度不要超过±10V，千万注意连接
板的各导线之间不要短路，以免发生故障。
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