chuanre_12

一个用matlab来实现的最小均方误差的学习曲线，在不同u值下(Using matlab to achieve the minimum mean square error learning curve, different values ​ ​ of u )

code to work with bathymetry (.nc files) for ocean modeling

说明：  用matlab实现了fragile water mark易碎水印(Achieved using matlab Fragile Watermark fragile water mark)

image watermarkingusing matlab

说明：  用MATLAB计算SCED模型，多样化约束函数，二次项目标函数(Sced model based on MATLAB)

zxb:提取wav波得语音声学特征MFCC，以及用praat提取wav波的基频。(zxb: extract acoustic features of voice wav wave was MFCC, and extracted with praat wav wave fundamental frequency.)

MATLAB数字图象处理哈哈镜程序，三角形、梯形、S形(MATLAB DistortionLi digital image processing procedures, triangle, trapezoid, S-shaped)

用wolf法计算最大lyapunov指数(The maximum lyapunov index calculation method by wolf)

这是一个很好的灰色预测小程序，学习学习。(This is a good little gray prediction procedure, learning to learn.)

一、 本程序采用16QAM调制方式，对一串2进制信源进行调制，采用（7，4）循环码对信源做信道编码，用升余弦滚降函数进行基带调制，再调到高频信道；在信道上加入高斯白噪声，运用匹配滤波器解调，画出解调星座图，运用最小欧氏距离译码判决，再对信号进行信道解码，画出采用信道编码技术和不采用信道编码技术的误比特率图。(First, this program uses 16QAM modulation mode, for a string of two binary source is modulated, using (7,4) cyclic code of the source-channel coding to do with a raised cosine roll-off function for base-band modulation, and then transferred to a high frequency channel in the channel by adding Gaussian white noise, the use of matched filter demodulation, demodulation constellation plot, using the minimum Euclidean distance decoding decision, and then right channel signals, decoding, channel coding techniques used to draw and non- channel coding techniques using bit error rate plans.)