mfcc

说明：  实现HDB3编码，HDB3码是AMI码的一种改进型，其目的是为保持AMI码的优点而克服其缺点，使连“0”个数不超过3个。(Achieve HDB3 encoding, HDB3 code is a modified AMI code, its purpose is to maintain the benefits of AMI code to overcome its shortcomings, so that even the &quot 0&quot the number of not more than 3.)

自己设计的脉冲成形滤波器，采用matlab编码，并产生一个序列，输出经过成形后的波形(Pulse shaping filter design using matlab coding and generate a sequence, the output waveform after forming)

Simple steganography code to hide text inside image The code include embedding and extracting procedure

基于LSB的直接4bit替换法，就是直接用秘密图像像素值的高4bit去替换载体图像像素值的低4bit。 (Direct 4bit substitution, that is, the direct use of the secret image pixel values of the high-4bit image pixel value to replace the carrier' s low 4bit.)

A population-based artifi cial immune system for numerical optimization A population-based artifi cial immune system for numerical optimization(A population-based artificial immune system for numerical optimization A population-based artificial immune system for numerical optimization)

Improved LEACH in matlab

计算时间序列的最大的里雅普诺夫指数的函数,(Calculation of time series The largest Lyapunov index in the function,)

说明：  这是一人逆变器电路的仿真，用SVPWM调制方法实现。(This is one of the inverter implementing SVPWM modulation method, using simulation.)

光学图像的空间滤波，低通滤波可略去高频，通过低频。(lowpass filter)

说明：  象棋MTALAB 程序，还不错的，希望对喜欢象棋，并对MATLAB 感兴趣的同志有用。(MTALAB chess program, but also good, hope to enjoy chess, and of interest to gay MATLAB useful.)