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基于LabVIEW的虚拟数字存储示波器的设计

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基于LabVIEW的虚拟数字存储示波器的设计

内容简介:利用 LabVIEW 强大的数据采集、处理和程序设计功能,设计、开发了一款数字存储示波器。它主要是由信号输入模块、数据处理模块和波形显示及存储模块组成,是通过软件编程实现信号的显示和测量等功能的。在虚拟示波器上集成的虚拟信号发生器可以在声卡采集和虚拟信号输入之间切换。实验结果表明,该虚拟示波器基本实现了传统示波器的功能,并且运行可靠、性能良好,能够满足普通实验室正常的使用需求。

Abstract:A virtual digital storage oscilloscope based on sound card is designed and developed by using the powerful data acquisition, processing and program design features of LabVIEW. This virtual digital storage oscilloscope consists of signal input, data processing and waveform-display and wave storage modules, and realizes the display and measurement and other functions through software programming. It also integrates with a virtual signal generator which can be switched between sound card input and virtual signal input. The experiment results show that the virtual oscilloscope has realized the functions of traditional oscilloscope and performs better in precision and reliability and that it can be used for ordinary laboratory with normal requirements.

作者:部德才, 张永平,

关键词:虚拟仪器, 数字存储示波器, 声卡数据采集, LabVIEW

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