信号与系统虚拟实验设计研究

THE DESIGN OF VIRTUAL EXPERIMENT FOR SIGNAL AND SYSTEM ANALYSIS

虚拟实验是现代实验教学的发展模式。本研究依托省级质量工程项目开展了基于Mat鄄lab的信号与系统虚拟实验的设计研究,实现了信号与系统课程实验的虚拟化和高效化,给学生提供了一个交互式、可视化仿真环境;简化了编程,突出了对信号与系统基本理论的分析与掌握;且具有以下两个优点:(1)时域分析中,既能给出响应的波形,又能给出响应的解析式;(2)频域分析中,既能给出由解析式描述信号的频谱分析,也能给出非解析式描述信号的频谱分析。

Virtual experiments are the trend of the modern experimental teaching. Based on Matlab, the virtual experiment system for signal and system analysis was designed supported by the provincial quality project. The system makes experiments virtualized and efficient, and has the following two advantages：（1） not only the wave forms but also the analytical expressions of the responses can be given in the time domain;（2） not only signals given by formulas but also signals not described by formulas can be analyzed in the frequency domain.