MATLAB 实现连续信号卷积的通用程序.doc

目 录 前言·········································································1 工程概况 ···································································1 正文·········································································2 3．1 设计的目的与意义·····················································2 3．1．1 设计步骤·························································2 3．1．2 设计方法·························································2 3．2 设计的目标与总体方案·················································2 3．2．1 详细方案与程序··················································3 3．2．2 设计原理························································.3 3．3 设计结果与分析························································3 3．3．1 学习并掌握Matlab软件运行相关程序·····························3 3．3．2 运行出图像·······················································3 3．3．3 详细内容·························································5 3.4 结论··································································16 致谢········································································17 参考文献···································································17 前言 《信号与线性系统分析》是电子信息类专业本科生的一门必修专业基础课。通过本门课的学习，使学生能够熟练掌握信号的表示、运算，了解系统的性质及表示；掌握连续系统的时域分析、连续系统的时域响应的求法；熟练掌握卷积、卷积和；了解信号的分解、掌握周期信号的傅立叶级数及频谱、熟练掌握傅立叶变换的性质、线性时不变系统的频域分析、取样定理；掌握拉普拉斯变换、熟练掌握拉普拉斯变换的性质、复频域分析；掌握离散信号的z变换、熟练掌握z变换的性质；在学生完成本课程的学习后，能够进行线性系统的分析工作，并为后续《数字信号处理》、《通信原理》、《自动控制原理》、《随机信号分析》等课程的学习奠定理论基础。MATLAB是由美国athworks公司发布的主要面对科学计算、可视化以及交互式程序设计的高科技计算环境。它将数值分析、矩阵计算、科学数据可视化以及非线性动态系统的建模和仿真等诸多强大功能集成在一个易于使用的视窗环境中，为科学研究、工程设计以及必须进行有效数值计算的众多科学领域提供了一种全面的解决方案，并在很大程度上摆脱了传统非交互式程序设计语言（如C、Fortran）的编辑模式，代表了当今国际科学计算软件的先进水平。　MATLAB的特点有： 1高效的数值计算和符号计算功能，使我们从繁杂的数学运算分析中解脱出来； 2完备的图形处理功能，实现计算结果和编程的可视化； 3友好的用户界面及接近数学表达式的自然化语言，易于学习和掌握； 4功能丰富的应用工具箱，为我们提供了大量方便实用的处理工具； MATLAB的这些特点，深受大家欢迎，由于个人电脑地普及，目前许多学校已将它做为本科生必须掌握的一种软件。Matlab如此强大的功为此次求解连续系统的零状态响应、零输入响应、冲激响应以及阶跃响应等各种信号提供了很不错的视觉效果，这对我们有很大的学习有很大帮助。 正文 3.1设计的目的和意义 掌握信号经过LTI系统的时域分析方法:进一步理解零输入响应、零状态响应。学会用Matlab