SHUXUEGUIHUA

This contain code used to filter process

DISCRETE FRACTIONAL FOURIER TRANSFORM

Surfer 对2011数学建模比赛图形的生成. 势必会火(Mathematical modeling of the 2011 Surfer game graphics generation. Is bound to fire)

计算任意两点（给定经纬度）的球面距离，并画出轨迹图。(Calculating any two points (given the latitude and longitude) of the spherical distance, and draw trajectories.)

说明：  在matlab平台下，用GA对的lssvm的参数进行优化，很有用的东西。(Platform in matlab, using the GA to optimize parameters lssvm, very useful things.)

LDPC低密度奇偶校验码的演示程序包，适合初学者使用(LDPC LDPC codes demo packages for beginners)

pso coding in matlab

鲁棒自适应波束形成技术，一般采用的加性高斯白噪声，此文采用混合高斯噪声模型，具有很好的代表性，是一个很好的外文文献(An adaptive spatial diversity receiver for non-Gaussian interference and noise)

通信系统仿真以及应用详解，包括信源、编译码、调制解调...一应俱全。值得收藏。(Detailed simulation of communication systems and applications, including source, encoding and decoding, modulation and demodulation ... everything. Worthy of collection.)

这个是关于小波变换，对图像增强介绍的文章，共大家参考研究、使用。(This is the wavelet transform, image enhancement described in the article on the total of your reference and use.)