butterworthbpf

学习matlib的一套很好的入门教程 适合初学者快速入门(Matlib learning portal of a good tutorial for beginners and Quick Start)

一种智能优化算法-粒子群算法的matlab源程序(particle swarm)

matlab从入门到精通，很经典很好的教材(matlab entry to the master, it is a classic good teaching)

霍夫曼coding程序，用此程序可以对任意图像进行霍夫曼编码。(Huffman coding procedures, this procedure can be used for any image Huffman coding.)

param factory document factory, may not be null Source Code for Andriod.

经典的隐写算法，包括LSB替换和随机LSB匹配。对于实现简单的信息隐藏最常用的方法，具体用matlab实现。(This is LSB steganography, it includes LSB replacement and random LSB matching. it is most common method for information hiding, and it implement with matlab)

经典的周期图法计算信号功率谱的源程序，具有较高参考价值(Classical periodogram method to calculate the power spectrum of the signal source, a high reference value)

说明：  战胜MATLAB必做练习50题之二，使用超星浏览器阅览，经典实例讲解(MATLAB exercises will be done over 50 items of the two, Superstar to use the browser to read, classic examples to explain)

These four files are intended for addingdeleting nodes and edges in biograph object

基于四向最小二乘解包裹算法，可以实现对包裹相位的相位展开(forth DCT phase unwrapping alogrithm)