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Design of Virtual Oscilloscope Instrument Based on LabVIEW

LU Xiang-yang

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Abstract

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.

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What this paper is about

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.

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Available abstract

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.

Key concepts: Oscilloscope, Data acquisition, Computer hardware, Software, Computer science, Virtual instrumentation, Process (computing), Embedded system

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