Design of Data Acquisition and Signal Processing System Based on LabVIEW
Bin Zheng
Abstract
Bin Zheng
Abstract
The virtual instrument technology has characteristics of high performance,hardware implementation and software integration.In order to apply virtual instrument technology and LabvIEW in the testing field,the virtual testing system with the data acquisition and signal processing is constructed based on NI 9201 data acquisition card and LabVIEW8.6 software.This system consists of analog signal generator and signal processing module.The signal source includes the analog signal of the date acquisition card,DAQ Assistant about DAQmx and the virtual signal generator.The signal processing system includes time-domain measurement,waveform display,filtering and spectrum analysis of the analog signals.This measurement system has been completed the analog signal acquisition,analysis and processing.
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The virtual instrument technology has characteristics of high performance,hardware implementation and software integration.In order to apply virtual instrument technology and LabvIEW in the testing field,the virtual testing system with the data acquisition and signal processing is constructed based on NI 9201 data acquisition card and LabVIEW8.6 software.This system consists of analog signal generator and signal processing module.The signal source includes the analog signal of the date acquisition card,DAQ Assistant about DAQmx and the virtual signal generator.The signal processing system includes time-domain measurement,waveform display,filtering and spectrum analysis of the analog signals.This measurement system has been completed the analog signal acquisition,analysis and processing.
Key concepts: Data acquisition, Signal processing, Computer hardware, Analog signal, SIGNAL (programming language), Signal generator, Computer science, Analog signal processing