LDPC_sim_v1

audio codec, includes LPC,The code was tested on male and female speech files recorded using a microphone on my pc and also tested on the wavefiles of the TIMIT database. The results are found to be good enough. I have attatched 5 sample wavefiles, on which I have tested my code.

Digital Image Processing Using Matlab Additional Material

振动信号的FFT分析，含有具体的振动算例(FFT analysis of vibration signals, vibration contain specific examples)

总体经验模态分解（EEMD）的程序，适合初学者学习。(Overall empirical mode decomposition (EEMD) procedures, suitable for beginners to learn.)

用小数据量方法求最大lyapunov指数程序设计(With a small amount of data method, to calculate the largest index of program design lyapunov)

0-1整数规划问题，采用MATLAB编程，约束条件等可以改变，比较实用(0-1 integer programming problem, the use of MATLAB programming, constraint conditions can change, more practical)

这是一类特殊的椭圆偏微分方程Helmhotz方程。该程序是用迭代法求解Helmhotz方程的。(This is a special class of elliptic partial differential equations Helmhotz. The procedure is iterative method for solving equations Helmhotz.)

说明：  用matlab平台实现的拉格朗日插值算法（另附一个插值算法）(Matlab platform with the Lagrange interpolation algorithm (followed by an interpolation algorithm))

基于夹套式全混流换热罐模型化微分方程的龙哥库塔法(Long Ge Kuta method based on differential equations of the jacketed continuous stirred tank heat exchanger tank model)

OFDM channel estimator by using matlab codes .......... by harbi01