Lesson-4

这是一个PCM的编码调制方案的仿真程序。其中包含了对信号的量化。(This is a PCM coding modulation scheme of the simulation program. Which contains the signals quantified.)

SVD based image compression

to simulation FFT and IFFT using matlab

双音多频 用matlab模仿电话机拨号，用到语音处理及合成各方面知识(DTMF telephone dial-up using matlab to imitate, to use speech processing and synthesis of knowledge)

说明：  MATLAB代码，包含三种有用代码源程序，对于数学建模很有帮助，里面有详细的介绍(MATLAB code, source code contains three kinds of helpful, useful for mathematical modeling, which has detailed description)

Script used in the Japanese webinar for image processing and computer vision held on Mar. 01, 2013

说明：  有关时频分析的matlab的程序 希望对大家有所帮助(the time-frequency analysis of the procedures Matlab we hope to help)

全国大学生数学建模竞赛真题——打孔机生产效能的提高解题程序参考(Production efficiency the nationwide the CMCM Zhenti- Punch improve problem-solving program reference)

通过本试验，基本掌握FFT算法的实现原理，同时能利用MATLAB语言编写完成FFT算法，并对给定的信号进行频谱分析。实验设备：通用计算机＋MATLAB 6.0软件。 (Through this test, basically mastered the FFT algorithm implementation principle, while able to use MATLAB language to complete FFT algorithm, and a given signal spectrum analysis. Experimental equipment: general-purpose computer+ MATLAB 6.0 software.)

说明：  粗糙集理论中连续属性离散化操作算法，matlab上运行，有数据集(Rough Set Theory discretization operation algorithm)