基于LabVIEW的虚拟示波器设计  

Design of Virtual Oscilloscope Instrument Based on LabVIEW

作　　者：郭艳清[1] 路向阳[1] 

机构地区：[1]中原工学院电子信息学院,河南省郑州市450007

出　　处：《电子工程师》2008年第4期13-14,35,共3页Electronic Engineer

摘　　要：介绍一种基于LabVIEW的虚拟示波器设计方法,主要利用NI公司数据采集卡PCI-6014及LabVIEW应用开发环境,开发基于PCI总线的虚拟数字示波器。输入信号通过BNC接头从输入端子进入数据采集卡进行数据采集,用NI公司提供的MeasurementAutomation进行简单的设置,完成系统软件与数据采集卡之间的通信,采用模块化设计思想编写软件。软件总体包括程序控制、波形显示、通道选择、位置调整、触发控制等模块,最终实现开发一个能够对多种对象数据和控制参数进行设置、实时采集、处理、显示的虚拟示波器。This paper introduces a design method of virtual oscilloscope instrument based on LabVIEW. Using data acquisition card PCI-6014 of NI company and LabVIEW application development environment, it gives virtual digital oscilloscope based on the PCI bus. Through BNC connector, the input signal data will be acquired from the input terminal to data acquisition card. Using Measurement Automation, the system be simple setup, it will realize communications between system software and data acquisition card. The software design adopts modularization design idea, it includes program control, waveform display, channel selection, position adjustment, trigger control and so on. The instrument can acquire much data in time, setting-up data, process data and display data.

关 键 词：LABVIEW 示波器 虚拟仪器 采集卡 

分 类 号：TM935.37[电气工程—电力电子与电力传动]