histeq

说明：  关于音频定位的matlab仿真 布朗大学(matlab仿真)

this is a homw work for students to get concept

本程序实现了最低有效位水印的嵌入以及提取过程，经仿真，可以用(This procedure implements the least significant bit of the watermark embedding and extraction process, the simulation can be used)

该程序实现对直方图均衡化，可以达到图象增强的效果，是图像处理的重要内容。(the program right histogram equalization, can achieve the effect of image enhancement, image processing is an important element.)

这是关于vmd变分模态分解的matlab代码，主要应用于信号的分解，数据的处理等。(This is the matlab code for VMD variational mode decomposition, which is mainly applied to signal decomposition, data processing and so on.)

说明：  本程序完全正确实现了huffman编码解码，是初学者比较好的入门源代码(The program is fully implemented correctly huffman codec is better for beginners Introduction to source code)

数字水印系统的实现——基于DCT的鲁棒水印。图像中数字水印的嵌入，分块DCT反变换(Image digital DCT)

偏最小二乘法PLS广泛应用于很多领域。这个程序包提供了一个函数，使用非线性迭代偏最小二乘法NIPALS算法，实现PLS回归。同时包含NIPALS算法的教程(PLS PLS is widely used in many areas. This package provides a function, use of non-linear iterative partial least squares algorithm NIPALS achieve PLS regression. NIPALS algorithm contains tutorials)

对遗传算法思想的理解和认识,对一个函数求其最小值，采用遗传算法的交叉，变异等特征进行优化求解(Genetic algorithms for understanding and awareness of thoughts, seeking the minimum of a function, using genetic algorithm crossover and mutation characteristics of the optimal solution)

接收信号为加噪声的QPSK信号，通过球的维纳解，实现系统辨识，达到滤波的目的。(Received signal is the QPSK signal plus noise, the Wiener solution through the ball, to achieve system identification, to achieve the purpose of filtering.)