范文编号:JD005 字数:22313,页数:71 摘 要 Abstract: Wanting develops high speed along with the science and technology, simulates oscilloscope's function not to be able to satisfy people's request, the digital storage oscilloscope by its may save the profile, the stable output, facilitated the observation profile, characteristics and so on simplicity of operator replaces has simulated the oscilloscope. This design's simple digital storage oscilloscope, take 80C51 as a core, by signal gathering, the data processing, the profile demonstrated that functional modules and so on control panel compose. The overall system divides into a/D conversion fraction, the D/A conversion fraction, the profile memory part, the keyboard entry to control four major part compositions. Based on the topic request, this system to the data storage, the horizontal scanning speed output function has carried on the key design. This storage oscilloscope namely has the common oscilloscope real-time sampling real time display function, may also carry on the immediate memory to some section of profiles and playback the demonstration continuously. The output wave shape may enlarge 2 time or 4 time of output demonstrations on the oscilloscope X axis. Concrete principle of design as well as process under chapter detailed explanation.
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