基于LabWindows／CVI的虚拟示波器设计与实现

目的通过虚拟示波器的设计，阐述利用LabWindows／CVI进行虚拟仪器设计的方法、步骤和实现技术，并借此展望虚拟仪器具有的广阔应用前景。方法在简要介绍虚拟仪器概念的基础上，充分利用软件编程环境与软件开发平台，按步骤阐述了虚拟示波器设计和实现的过程。结果设计实现了一个简单的虚拟示波器，可以选择波形的幅度放大系数、频率放大系数、选择测试信号的通道等；被测信号通过一个模拟的信号发生器产生。结论与传统的示波器相比，该虚拟仪器的测量功能可以由用户根据需要自行设计软件来定义或扩展，人机界面友好。

Design and realization of virtual oscilloscope based on LabWindows/CVI

Aim By the designing of the virtual oscillograph,the design methods,steps and technology of virtual instrument which based on the LabWindows/CVI are acquired,and so prospect its wide application.Methods After introduces the concept of the virtual oscilloscope,it makes the best use of the software programming environment and its development platform,gives out the design and the implement steps of the virtual oscillograph.Results A simple virtual oscilloscope is carried out which could be used to select the w...