ch5example7prog1

clustring code matlab1

K-means聚类的matlab代码，供相关人士学习时参考(a K-means matlab source code)

切比且夫线阵幅度加权方向图计算,画出二位方向图,图示中标示出增益,副瓣电平等(Ratio and the linear amplitude weighted directional graph computation, draw two direction map, marked gain the diagram, the sidelobe level etc. )

一个常用的稀疏表示分类器，SRC分类器，用于信号或图像分类，需共同配合CVX运行，可见示例example.m。(Applying for Sparse Representaion Classification with the method SRC， cooperating with the CVX file. See example.m for a trying run.)

本例程用于心电信号中QRS波的检测，可以精确定位出QRS波的峰值位置和峰值大小(this is used to test the QRS waves of ECG signals)

phich and time stretching done in matlab

应用matlab自带函数进行片最小二乘回归建模(Application of matlab with function least-squares regression modeling)

无线通信系统仿真SISO信道模型中SUI信道仿真(SUI channel in SISO channel model simulation)

是本科毕设的题目，相控阵天线的方向图（切比雪夫加权），包含特征值与特征向量的提取、训练样本以及最后的识别，是机器学习的例程，采用累计贡献率的方法，基于人工神经网络的常用数字信号调制，信号处理中的旋转不变子空间法。( The title of the commercial is undergraduate course you Phased array antenna pattern (Chebyshev weights), Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, Machine learning routines, The method of cumulative contribution rate The commonly used digital signal modulation based on artificial neural network, Signal Processing ESPRIT method.)

MATLAB编程实现语音信号的时域特征提取，如分帧、过零率、短时能量、语谱图等(Speech signal feature extraction)