信号处理实验平台-频域分析模块毕业论文.docxVIP

信号处理实验平台频域分析模块毕业论文（信号处理实验平台设计—频域分析模块）摘要《数字信号处理》和《信号与系统》是测控技术与仪器专业的两门非常重要的专业课程。但是，这两门课程具有抽象难懂，公式繁多，不易理解等特点。同时，学校针对学生的实验课程，也因教学设备老化，试验系统陈旧而未能达到效果。因此，新兴的虚拟仪器系统被广泛运用与推广到学校中去。虚拟仪器是一种用于构建数据采集和监测系统的图形化编程语言。使用虚拟仪器，你可以快速创建用户界面，交互控制你的软件系统。你只需要修改程序框图，便可以轻松修改虚拟仪器的功能和用途。针对教学中可能存在的问题，为了方便学生更容易理解和吸收所学习内容，使抽象的内容形象化，提高学生学习的兴趣，本毕业论文用虚拟仪器LabVIEW软件作为开发平台，设计了一款信号处理实验仿真平台，改变了传统的实验方法，将数字信号处理和信号与系统课程的主要实验项目集合到一个实验平台中。操作简单便捷，结论直观。本毕业论文基于LabVIEW软件设计了信号处理实验平台的频域分析模块，给出了FFT、2D-FFT、功率谱和振幅谱、倒谱、频移、频域平均、谐振电路、傅立叶级数、及奈奎斯特图和伯德图等十个实验的虚拟仪器前面板和程序框图。学生可以利用实验平台进行简单操作，对所得结果细心观察，可以帮助学生进一步理解对应的知识，加深对所探究概念的印象。对于改善课程的教学有积极的作用。关键词：数字信号处理；信号与系统；LabVIEW；实验平台。中图分类号：TP311.1Signal Processing Platform Design——Frequency domain analysis moduleAbstractDigital Signals Processing and Signals and Systems are two important major courses in the Measurement and Control Technology and Apparatus. But these two courses are very abstract and difficult to understand, with so many formulas. At the same time, the experiment course, provided for students, can’t reach the expected effects, because of the obsolete teaching equipments and teaching systems. Therefore, the burgeoning suppositional apparatus systems are widely applied in the universities.Suppositional apparatus system is a kind of figure programming language, which is used to set up data acquisition and monitoring system. Through this system you can set up user interface quickly and control your software system. You only need to revise the program layout, so that you can revise the function and usage of the suppositional system easily.In order to solving the problems existing in the teaching, help students understand and absorb the learning material, make the abstract content visualized, and arouse students’ interests, this thesis designed a analogue platform of signals processing experiment by the suppositional apparatus LabVIEW software. It changed the traditional experiment method, assemble the main experiment projects of Digital Signals Processing and Signals and Syste