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The High-speed Digital Storage Oscilloscope Software Design

Posted on:2013-08-28Degree:MasterType:Thesis
Country:ChinaCandidate:T FangFull Text:PDF
GTID:2242330374986418Subject:Measurement technology and instruments
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The Digital Storage ScopeMeter (DSS) can be functioned as both an Oscilloscope and a MultiMeter, which is a new kind of time domain probe widely used in the field of electronic mearsuring based on digital storage. It is full-featured, and convenient to carry and operate which represents a trend of contemporaty electronic measuring instruments.We complete the software design of the DSS in this project, with sampling rate as high as2.5GS/s and bandwidth of the analog channel reaching200MHz. In this paper, the native software of DSS and the controlling program on PC are presented. The former is running on the operating system WinCE to realize the functions of the oscilloscope and the MultiMeter. The communication between the DSS and PC is done through USB, RS232and LAN port.In this Dissertation we first give a brief introduction to the basics and the history of the DSS, and propose the overall design of software. Then the design of the native and controlling program is illustrated in detail. They both include design of the underlying hard driver and the front panel, with the former done by using IVI technical specifications, providing the interface for the latter. The native program encapsulates the hardware operation of two modules-the digital storage oscilloscope (DSO) and the MultiMeter; The controlling program packs the three communication protocol of RS232> USB and LAN. Based on MFC Library and the spirit of Object-oriented programming, the friendly front panel is provided, realizing all functions of the instrument.Finally, the software and hareware combined test is performed, including the horizontal, vertical and triggering systems of the DSO module, the display and analysis of wave form, the configuration and measurement of MultiMeter, the communication and the controlling program. The whole system functions correctly.
Keywords/Search Tags:Digital Storage ScopeMeter, IVI Driver, Object-oriented, MFC, Program-controlled Communication
PDF Full Text Request
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