Pattern-Recognization

对语音识别技术中涉及到的知识用matlab编写了一系列源码供下载，如读取/播放wave文件，音乐信号的时域/频域波形等。(Knowledge of the speech recognition technology involves a series of source code written in matlab for download, such as read/play a wave file, the music signals in time domain/frequency domain waveforms.)

matlab 非负矩阵工具箱 官网下载 保证质量(Non-negative matrix matlab toolbox official website to download quality assurance)

在matlab下如何调用c语言编写的程序，包括编译器的选择和设置(In matlab how to call the c language program, including the compiler options and settings)

adaptive filter in noise cancceliing 2

信号阶谱分析，采用高阶分析处理信号，有效提取阶次信息(Signal order spectrum analysis, higher order analysis is used to process the signal, and the order information is extracted effectively)

说明：  基于mATLAB的单峰谱线插值，用于谐波的检测分析(Single-peak spectral line interpolation based on mATLAB for harmonic detection and analysis)

说明：  认知无线电里的能量检测，适合初学者，比较简单(Energy detection in cognitive radio, suitable for beginners, is relatively simple)

source code for edge detection

自反馈神经网络 matlab程序 适合深入学习神经网络 附有程序所需数据(Self-feedback neural network matlab program)

1)football.m简单地以阵列形式显示一副图； 2）pre.m是心音信号过滤归一化预处理的过程； 3）wavlet.m是用db6小波进行信号的分解和重构，且求包络能量函数； 4）path.m是利用KKT条件的路径跟踪法，用于求解二次规划问题； 5）LRmmse是MIMO通信中常用检测方法，结合了最小均方误差准则和格基规约的知识。(1) football.m simply displays a graph in an array 2) pre.m is the process of normalized preprocessing of heart sound signal filtering 3) wavlet.m is a db6 wavelet for signal decomposition and reconstruction, and to find the envelope energy function 4) path.m is the path tracking method using KKT condition, which is used to solve the quadratic programming problem. 5) LRmmse is a commonly used detection method in MIMO communication, combining the knowledge of minimum mean square error criterion and lattice protocol.)