基于LabVIEW的任意波形发生器设计

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基于LabVIEW的任意波形发生器设计

摘要任意波形发生器是现代测试领域应用最为广泛的通用仪器之一，本论文的主要工作是结合虚拟仪器技术，进行任意波形发生器的研究与设计。

论文介绍了虚拟仪器技术的基本理论，进行了任意波形发生器的软件设计，制定了系统整体方案。本利用功能强大的图形化虚拟仪器开发平台LabVIEW，主要完成对软件系统的设计，采用模块化的设计思想，每个功能的实现由一个模块完成。其中主要包括标准信号（正弦波、方波、三角波、锯齿波）、均匀白噪声、高斯白噪声以及任意波形的生成。最后对虚拟任意波形发生器进行了系统测试和性能分析，实验结果达到了预先的设计要求。9224

关键词虚拟仪器；任意波形发生器；LabVIEW

毕业设计说明书（论文）外文摘要

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TitleDesign of Arbitrary Waveform Generator based on LabVIEW Abstract

Arbitrary Waveform Generator is a modern field test one of the most widely used general-purpose equipment. The main task of this paper is a combination of virtual instrument technology,arbitrary waveform generator of the research and design.

The paper introduces the basic theory of virtual instrument technology.The paper carried out arbitrary waveform generator software design.Developed a system as a whole program.This paper,a powerful graphical development platform Virtual Instrument LabVIEW,mainly to complete the design of software systems,using modular design concept,every function of transition from one module to complete.Which mainly include the generation of Standarded signals(Sine wave,Triangular wave,Square wave,Sawtooth wave),Uniform white noise,Gaussian white

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noise and arbitrary waveform.Finally,the virtual arbitrary waveform generator of the system testing and performance analysis,experimental results to pre-design requirments.

3.1.2主要功能21

3．2程序设计流程图22

3．3标准波形的设计23

3.3.1正弦波的设计23

3.3.2三角波的设计23

3.3.3方波的设计23

3.3.4锯齿波的设计24

3.3.5基本函数发生器的设计24

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3．4噪声信号的设计25

3.4.1均匀白噪声的设计25

3.4.2高斯白噪声的设计27

3．5任意波形的设计28

3．6波形的保存和读取29

3.6.1波形的保存29

3.6.2 波形的读取29

4虚拟任意波形发生器的功能显示30

4．1基本波形功能30

4.1.1正弦波功能30

4.1.2三角波功能30