MATLAB在常用信号时域变换与运算中的及可视化毕业论文

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1、引言 I 摘要 MATLAB 是目前世界上最流行的、应用最广泛的工程计算和仿真软件，它将计算、可视化和编程等功能同时集中于一个易于开发的环境。 MATLAB 主要应用于数学计算、系统建模与仿真、数学分析与可视化、科学与工程绘图和 用户界面设计等。 MATLAB 是 Matrix Laboratory 的缩写，是由 MathWorks 公司于 1984 年推出的一个交互式开发系统，其基本数据要素是矩阵。 MATLAB 的语法规则简单，适用于专业科技人员的思维方式和书写习惯；而且 MATLAB 可适用于多种平台，随着计算机软、硬件的更新而及时升级 ，使得编程和调试效率大大提高。 目前， MATLA

2、B 已经成为应用代数、自动控制理论、数理统计、数字信号处理、动态系统仿真和金融等专业的基本数学工具，各国的高等学校纷纷将MATLAB 正式列入本科生和研究生课程的数学计划中，成为学生必须掌握的基本软件之一 。 本文首先对 MATLAB 的功能进行简单介绍，再利用一些常用信号作为实验对象，对其时域运算与变换进行猜想和理论分析，再使用 MATLAB 的各功能对猜想和分析进行验证，同时将这些常用信号的波形用 MATLAB 的制图功能绘制出来，即利用 MATLAB 进行对常用信号的可视化。 关键词 ： MATLAB、常用信号、时域运算与变化、可视化 电子科技大学成都学院专科毕业设计论文 II Abst

3、ract MATLAB is the worlds most popular, the most widely used engineering calculation and simulation software, it will calculate, visualization and programming focused on an easy development environment. MATLAB is mainly used in mathematical calculations, system modeling and simulation, mathematical

4、analysis and visualization, science and engineering graphics and user interface design. MATLAB Matrix Laboratory, is an interactive development system introduced in 1984 by The MathWorks, the basic data elements of the matrix. The MATLAB syntax rules apply to the way of thinking and writing habits o

5、f professional scientific and technical personnel； and MATLAB applicable to a variety of platforms, with the timely upgrade of the computer software and hardware updates, making programming and debugging efficiency is greatly improved. , MATLAB has become the application of algebra, automatic contro

6、l theory, mathematical statistics, digital signal processing, dynamic system simulation, and financial and other professional basic mathematical tools, the national institutions of higher learning have MATLAB officially included in the mathematical program of undergraduate and graduate courses stude

7、nts must master to become one of the basic software. MATLAB function simple, use some common computing and transform its time-domain signal as subjects, conjecture and theoretical analysis, and then use the MATLAB function to verify the conjecture and analysis, while commonly used in signal waveform draw with the graphics capabilities of MATLAB using MATLAB visualization of the common signal. Key words: MATLAB、 common signal、 the time domain algorithms、 visualization