湖南科技大学本科生课程设计（论文）
湖 南 科 技 大 学
课 程 设 计
课程设计名称： 《虚拟仪器》课程设计 学 生 姓 名： 刘峥嵘 学 院： 机电工程学院 专业及班级： 测控三班 学 号： 0903030318 指导教师： 毛征宇 郭迎福 王靖
2012年 12 月 29 日
湖南科技大学本科生课程设计（论文）
摘要
LabVIEW 是美国National Instruments(简称NI)公司推出的图形化软件开发环境。基于LabVIEW的虚拟信号频谱分析仪，可以产生一个周期信号并进行图形显示，信号的幅值、相位和频率可调，并对产生的周期信号，进行频谱分析并图形显示。基于LabVIEW的相关分析虚拟实验仪器，可以测试两个三角波信号的互相关函数以及测试4种典型信号的自相关函数 。
关键词
频谱分析互相关 自相关
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LabVIEW 湖南科技大学本科生课程设计（论文）
目录
1.1 虚拟信号频谱分析仪设计············································1 1.2 相关分析虚拟实验仪器设计··········································1
第一章 设计题目及要求················································1
第二章 虚拟信号频谱分析仪的方案设计································2
2.1 虚拟信号频谱分析仪的原理··········································2 2.2 总体方案设计的确定················································2
第三章 虚拟信号频谱分析仪程序实现··································3
3.1 前面板的设计和规划················································3 3.2 程序框图设计······················································4
第四章 虚拟信号频谱分析仪的调试运行································6 第五章 相关分析虚拟实验仪器的方案设计······························8
5.1 相关分析虚拟实验仪器的原理········································8 5.2 总体方案设计的确定················································9
第六章 互相关分析虚拟仪的程序实现·································10
6.1 前面板的设计和规划···············································10 6.2 程序框图设计·····················································11
第七章 互相关分析的调试运行········································12 第八章 自相关分析虚拟实验仪器的程序实现··························14
8.1 前面板的设计和规划···············································14 8.2 程序框图设计·····················································15
第九章 自相关分析的调试运行········································16 第十章 总结与体会····················································19 参考文献································································20
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