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Design of Data Acquisition System Based on Virtual Instrument Technology

Minzhou Dong

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Abstract

This article presents a new design of data acquisition system,which can deal with both low frequency signals and high frequency signals.NI PXI-6071E DAQ card is employed to acquire 64 channels low-frequency signal.digital oscilloscope TEK3034B is controlled by GPIB interface zero slot control computer PXI-8186 for acquiring high-frequency signals.For the more,the four input channels of the oscilloscope are extended to eight channels.And in LabVIEW developing environment the drivers for the GPIB instruments and DAQ software are programmed,which cooperate well with the hardware and work properly.

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What this paper is about

This article presents a new design of data acquisition system,which can deal with both low frequency signals and high frequency signals.NI PXI-6071E DAQ card is employed to acquire 64 channels low-frequency signal.digital oscilloscope TEK3034B is controlled by GPIB interface zero slot control computer PXI-8186 for acquiring high-frequency signals.For the more,the four input channels of the oscilloscope are extended to eight channels.And in LabVIEW developing environment the drivers for the GPIB instruments and DAQ software are programmed,which cooperate well with the hardware and work properly.

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Available abstract

This article presents a new design of data acquisition system,which can deal with both low frequency signals and high frequency signals.NI PXI-6071E DAQ card is employed to acquire 64 channels low-frequency signal.digital oscilloscope TEK3034B is controlled by GPIB interface zero slot control computer PXI-8186 for acquiring high-frequency signals.For the more,the four input channels of the oscilloscope are extended to eight channels.And in LabVIEW developing environment the drivers for the GPIB instruments and DAQ software are programmed,which cooperate well with the hardware and work properly.

Key concepts: Oscilloscope, Data acquisition, Computer hardware, Interface (matter), Software, SIGNAL (programming language), Virtual instrument, Virtual instrumentation

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