crear_factura

it is a very simple and helpful document and source code for image compression

Matlab的图像处理小软件，注意修改路径，以及图片。(Matlab image processing small software, pay attention to modify the path, and pictures.)

tv算法能够实现图像修复的微小破损，比如裂痕等。(tv algorithm to achieve the minimal repair damaged images, such as cracks and so on.)

说明：  基于MATLAB的图像读取程序源码----针对PGM文件的读取(MATLAB code of read PGM image )

costas环的simulink实现，可以直接在matlab上运行实现通信系统中的载波同步，对于学习或设计通信系统有很大帮助(simulink realization of costas loop that can run directly on the matlab implementation of carrier synchronization in communications systems, communications systems for the study or design of great help)

a Matlab Programme to simulate the cooperative communication technique AF amplify and forward between tow users and a destination

该matlab程序可以通过网络爬虫抓取网页内容（本程序抓取的是新浪金融的，可以修改成其他的）(The matlab program can crawl web content through web crawlers (the Program crawl Sina finance can be modified into the other))

说明：  BP神经网络实线0——9数字识别 MATLAB(BP neural network solid lines 0- 9 Digital Identification MATLAB)

带汉明码的直接序列变换DSSS，直接序列变化中采用了hamm编码方式，带GUI(Hamming codes with the direct-sequence transform DSSS direct sequence changes hamm used in the encoding, with GUI)

光伏电池simulink仿真，不错的simulink模型(Simulink simulation of photovoltaic cells)