OFDM的wlan代码

说明：  这个水印一般般利用DWT变换和DCT变换嵌入水印，加上了Arnold变换使图片水印的抗MP3压缩攻击有所提高。(The watermark in general as the use of DWT transform and DCT transform embedded watermark, coupled with the Arnold transform to image watermarking against MP3 compression attacks increased.)

利用蚂蚁算法求解TSP问题的matlab源程序，适合初学蚂蚁算法的朋友学习，同时又利于理解TSP问题。(The use of ant algorithm matlab source TSP problem, suitable for beginners to learn ant algorithm friends, but also conducive to understanding the problem TSP.)

小波与熵的matlab代码，运行例程，需要的自己改一下(Wavelet and entropy)

洪水模型（圣维南方程的差分求解方法） All Right Reserved 城市公共安全应急系统中一维洪水演进及其可视化研究 (Flood model (method for solving the Saint-Venant Equations) All Right Reserved Urban Public Safety Emergency System of a Weihong Evolution and Visualization of water )

This algorithm solves the otimization problem min_x | y - A x |_2^2 + lambda Phi(x) and has applications in compressed sensing, image restoration and reconstruction, sparse regression, and several other problems.

used to simple calculator

Speech analysis and parameter extraction Short-term analysis, frames and windows

这是一个有关于遗传算法用于参数优化源码的例子(It is a genetic algorithm is used to optimize the parameters of the source code examples)

说明：  把信号用数字或符号表示成序列，通过计算机或通用（专用）信号处理设备，用数值计算方法进行各种处理，达到提取有用信息的目的。(The signal using numbers or symbols into a sequence that, through the computer or general-purpose (dedicated) signal processing equipment, numerical calculation using a variety of treatment methods to achieve the purpose of extracting useful information.)

将像素数据写成一幅PPM格式的图片，像素数据为灰度图的数据，附件里有一个图像数据，宽150，高90，共100帧(The data will be written in a grayscale image PPM format, the program is written in matlab, the file contains a grayscale data.)