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1、辽宁科技大学毕业设计(论文) 第I 页基于 MATLAB 抽样定理及其信号恢复的仿真摘要本设计是运用 MATLAB 编程来实现抽样定理及其信号恢复的仿真并能在建立的图形用户界面上显示出相应的仿真结果。目的在于能够熟练的应用 MATLAB 软件来建立友好的用户界面,通过界面来显示原始信号、抽样信号以及恢复后仿真的信号。通过编写程序来完成用户界面上各个按钮的功能,通过 MATLAB 软件中的信号分析的方法来验证抽样定理的正确性。论文包括用 MATLAB 语言进行图形用户界面编程的相关知识,如何新建一个图形用户界面,如何添加各种控件,如何更改各种控件的属性,如何使通过编写程序使各种控件实现相应的功能
2、等问题,通过一些有关 MATLAB 软件的学习来建立一个完整的抽样定理图形用户界面,用户可以利用鼠标或键盘来完成模拟信号的抽样定理及其信号的恢复的全过程,论文中介绍了用 MATLAB 语言的基本用法和进行信号分析的方法,用户可以选择不同的波形来实现相应的抽样定理并能在图形用户界面上显示相应的波形,在形用户界面上,通过原始信号与恢复信号及其仿真的对比可得出抽样定理的结论。从而验证抽样的正确性。关键词 MATLAB;抽样定理;仿真辽宁科技大学毕业设计(论文) 第II 页AbstractThe design is to use MATLAB programming to achieve sampli
3、ng theorem and its signal the resumption of the simulation and be able to establish the graphical user interface displayed on the corresponding simulation results. The aim is to skillfully use MATLAB software to create a friendly user interface, through the interface to display the original signal,
4、the sampling signal and the restoration of the signal after the simulation. Through the preparation process to complete the user interface on the various button functions, through the MATLAB software in signal analysis methods to verify the accuracy of sampling theorem. Papers including the use of M
5、ATLAB language programming graphical user interface of knowledge, how to create a new graphical user interface, how to add all kinds of controls, how to change the control of various attributes, how to make through the preparation process so that all kinds of controls to achieve the corresponding Th
6、e functions and so on, through the study of the MATLAB software to create a complete sampling theorem graphical user interface, users can use the mouse or keyboard to complete the analog signal sampling theorem and the restoration of the entire process, the paper introduced by MATLAB language usage
7、and the basic signal analysis method, the user can select a different wave to achieve the appropriate sampling theory and in the graphical user interface displayed on the corresponding waveform, in the form user interface, through the restoration of the original signal and the signal and Simulation
8、The contrast can be drawn to the conclusion sampling theorem. To verify the accuracy of sampling.Keywords MATLAB;sample theory; simulation辽宁科技大学毕业设计(论文) 第III 页目录目录摘要 IAbstractII第 1 章 绪论11.1 MATLAB 语言的特点 11.2 MATLAB 产品主要的应用领域11.3 抽样定理简介1第 2 章 抽样信号32.1 抽样信号原理32.2 模拟信号算法42.2.1 模拟信号频率计算.42.2.2 采样信号频率计算.42.2.3 模拟信号实现52.3 本章小结7第 3 章 GUI 界面的介绍及设计83.1 图形用户界面的设计原则83.2 图形用户界面设计过程83.2.1 界面设计初步规划83.2.2 设计 MATLAB 的 GUI93.2.3 创建菜单93.2.4 控件的设计93.2.5 对象属性编辑器103.2.6 回调函数的编写103.3 算法实现11分析控制系统建模