DTMF

the following file is a matlab program done for thesis based on acoustic echo cancellation using LMS algorithm.

说明：  利用matlab仿真的数字调制技术之BPSK调制源程序(The BPSK modulation )

DESIGN and IMPLEMENTATION of a SHUNT ACTIVE POWER FILTER with REDUCED DC LINK VOLTAGE

matlab code for mesh less method in finite element method

matlab code for PSNR calculation for speech coder

这是一个LDA主题模型的matlab代码，可进行中文模糊聚类分析，内涵说明，可直接使用。(This is a topic LDA model matlab code, can be Chinese fuzzy clustering analysis, meaning that can be used directly.)

小波分解轴承故障诊断代码，包括特征提取，用的数据是西储大学轴承数据(Wavelet decomposition bearing fault diagnosis code, including feature extraction, the data used is the West Park University bearing data)

内含心电信号数据及运用MATLAB写的源代码，是国外的成品模型，小波包分析提取振动信号中的特征频率。( ECG data and includes source code written in MATLAB, Foreign model is finished, Wavelet packet analysis to extract vibration signal characteristic frequency.)

说明：  MATLAB在图形窗口中绘制或输出图形，MATLAB to draw in the graphics window or output graphics(MATLAB to draw in the graphics window or output graphics)

词典编码LZW编解码的基本实现，包含LZW的编码和解码，实现了对lena图的编解码，用于数字图像处理。(The dictionary coding LZW the basic realization of the codec, including LZW encoding and decoding, the codec lena FIG for digital image processing.)