filter_bank

不知道上次是不是传上去了，再传一个吧，还是数字水印的提取程序(Do not know the last time was not passed up, re-transmission of a bar, or a digital watermark extraction procedure)

稀疏快速傅里叶变换，是一种利用信号频域稀疏特性，只需通过信号部分采样点就可高概率恢复信号频谱的快速傅里叶变换算法。(Sparse Fast Fourier Transformation ，SFFT)

这个程序是三种分集合并方式的比较，选择合并，等增益合并，最大比值合并(This program gives the comparison of improvements offered by the 3 combining techniques, namely Selection Diversity, Equal Gain and Maximal Ratio.)

基于802.16e协议的垂直切换建模与仿真，讲的非常详细，基于NS-2平台的。(802.16e protocol vertical handoff model and simulation)

实现频谱分析。能显示信号与频谱图。主要是对正弦信号和三角波进行一维FFT变换，得到频谱图。(To achieve spectral analysis. Shows the signal with the frequency spectrum. Sinusoidal signal and triangular wave one-dimensional FFT algorithm to obtain the frequency spectrum.)

说明：  采用案例形式，以智能算法为主线，讲解了遗传算法、免疫算法、退火算法等多种最常用的智能算法的matlab实现，共30个案例，每一个案例都是使用智能算法解决问题的具体案例。所有案例均有理论、背景、程序实现代码和扩展阅读四个部分。(In the form of cases, taking the intelligent algorithm as the main line, this paper explains the matlab implementation of genetic algorithm, immune algorithm, annealing algorithm and other most commonly used intelligent algorithms, a total of 30 cases, each case is a specific case of using intelligent algorithm to solve the problem. All cases have four parts: theory, background, program implementation code and extended reading.)

standard version, for beginners through this

对图像进行Huffman编码并计算其压缩比(Huffman coding of images and calculate the compression ratio)

huffman tree in matlab

Example exercise in C language