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Oscilloscope offline data analysis software design

Author: ZhangWei
Tutor: WangHouJun
School: University of Electronic Science and Technology
Course: Detection Technology and Automation
Keywords: Offline data ananlysis Parameters-measure FIR filter GUI LabVIEW
CLC: TP274
Type: Master's thesis
Year: 2011
Downloads: 33
Quote: 0
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Abstract


In this paper, we design digital storage oscilloscope offline data analysis software which based on LabVIEW platform designed by NI. This software run on computer, there is no real-time requirements. It has a greater throughput, faster measurement speed, more accurate measurement results and more user-friendly processing of data. High-precision digital storage oscilloscope in the time of rapid growth also greatlyboosted the requirements of users for data analysis. The traditional scope data analysis software is no longer met the user’s needs. Therefore, PC-based platform for offline data analysis software became the mainstream of the digital storage oscilloscope. This paper discusses the digital storage oscilloscope offline data analysis software system design. And developed the software based on PC-platform.Design parameters measurement module. Design twenty-four measurement functions. Functions called by the main program loop to calculate the parameters. All measurement results will be converted into standard units and output.Design FIR digital filter modules. Use of window functions and Chebyshev approximation method designed with high-pass, low pass, band pass and band stop digital filters.Design of dual-channel multi-waveform data generated module to test the filter modules.Design FFT module. According to the nature of the discrete foutier transform, use buttrtfly-algorithm calculating FFT.Design GUI. Design user-friendly graphical user interface, Design of open software interfaces to increase the maintainability and scalability. This module contains a variety of display controls, buttons, tool bars, and menu bar, etc. All other modules are called in this interface.In the end, testing&simulate this software, given the improved scheme. In the follow-up maintenance, improve software functionality and optimize code so that the software has a longer life cycle.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system
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