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Implementation and Realization of a High-performance Virtual Oscillograph Based on USB

Genling Huang

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Abstract

For achieving high speed data acquisition in virtual oscilloscope,linking and expanding the acquisition cards expediently at the same time,data acquisition,data conversion and USB communication is integrated in one module.The module communicates with the high performance PC through USB interface.Real-time display,harmonic analysis and saving of historic data can be finished in the customer interface programmed by Visual Basic.Comparing with the normal oscilloscope,the new system not only simplifies the structure,improves testing performance,but also implements test automation.

About this research paper

What this paper is about

For achieving high speed data acquisition in virtual oscilloscope,linking and expanding the acquisition cards expediently at the same time,data acquisition,data conversion and USB communication is integrated in one module.The module communicates with the high performance PC through USB interface.Real-time display,harmonic analysis and saving of historic data can be finished in the customer interface programmed by Visual Basic.Comparing with the normal oscilloscope,the new system not only simplifies the structure,improves testing performance,but also implements test automation.

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Available abstract

For achieving high speed data acquisition in virtual oscilloscope,linking and expanding the acquisition cards expediently at the same time,data acquisition,data conversion and USB communication is integrated in one module.The module communicates with the high performance PC through USB interface.Real-time display,harmonic analysis and saving of historic data can be finished in the customer interface programmed by Visual Basic.Comparing with the normal oscilloscope,the new system not only simplifies the structure,improves testing performance,but also implements test automation.

Key concepts: USB, Oscilloscope, Data acquisition, Computer hardware, Interface (matter), Oscillograph, Computer science, Embedded system

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