5956456image_encryption

说明：  香农算法 心音信号的包络提取 适合心音信号的初步处理~~~(Shannon algorithm extracts the envelope of heart sounds)

基于扩频的数字水印技术，水印信息分布于载体作品的多个频率系数，每个频率系数上负荷的水印能量很小，平衡水印的鲁棒性和不可感知性上的矛盾。(Digital watermarking based on spread spectrum technology, the watermark is found in a number of frequency coefficient vector works, each frequency coefficient on the load of the watermark energy is small, balance the robustness and non-perception of the conflict.)

用matlab实现去趋势互相关分析的DCCA算法，将两组数据分析其协方差，最后得到DCCA指数，并进行T检验(DCCA algorithm using matlab detrended cross-correlation analysis, two sets of data to analyze the covariance last DCCA index, and T-test)

自编的增加维数精细积分求解非线性动力学方程的程序(pim method)

解决非线性方程组,通过输入初始值来迭代得到数值解(nolinear function)

一个关于卡尔曼滤波的程序，自己编的，希望对初学matlab的同学有用(A Kalman filter program, compiled hope Matlab beginner students)

This Matlab script solves a particular case of the parabolic PDE studied in class using the CrankNicolson finite difference algorithm.

BEE COLONY OPTIMIZATION

training a neural networks using error back propagation algorithm

回声信道模型,双通道,无法正确识别的情况.(Echo channel model, dual-channel, can not correctly identify the situation.)