huffman

用二阶自回归（AR2）模型估计信号的瞬时频率(Using second-order autoregressive (AR2) model estimates the instantaneous frequency signal)

这是一个麦克风阵列的语音增强的matlab代码(This is a microphone array speech enhancement of the Matlab code)

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

2015年大学生数学建模A题——太阳影子定位的具体问题求解的MATLAB源程序，内附详细txt文档说明。(The MATLAB source program for solving the specific problems of the sun shadow positioning in 2015, the mathematical modeling A of college students, with detailed description of the TXT documents)

一个50行的简短Matlab有限元程序，求解三维线弹性问题。执行fem3d.m即可。(A brief 50-line Matlab finite element program for solving three-dimensional linear elastic problem. Executive fem3d.m .)

用VHDL语言实现了DES加密算法，其中包含了测试程序，能够进行仿真。(Using VHDL language implementation of the DES encryption algorithm, which contains the test procedures can be simulated.)

blind equalization for adaptive filtering

时域仿真sssc抑制次同步谐振，基于pscad(Time domain simulation SSSC suppresses subsynchronous resonance, based on PSCAD.)

介绍MATLAB的ppt课件，有助于在短时间里学会运用MATLAB。对数学建模很有帮助。(Introduction MATLAB-ppt courseware, helping in a short time learn to use MATLAB. Useful for mathematical modeling.)

BP neural network regression