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说明：  使用Matlab R2009b进行数字视频帧保存编程(Using Matlab R2009b programming for digital video frame preservation)

以matlab实现数字水印的生成和提取，用的是高斯随机序列生成的易碎的隐式数字水印。(to Matlab digital watermark generation and extraction, using a Gaussian random sequence generation of friable implicit digital watermarking.)

GMSK_MSK调制解调系统,GMSK_MSK调制解调系统(modem of GMSK and MSK system，modem of GMSK and MSK system)

实现matlab中常用函数功能，只要将其加入进去，就可直接调用。 (Matlab function to achieve the commonly used features, as long as its accession into the call directly.)

the alamouti functions

现在通信系统中信号通过衰落信号引起的多普勒扩展程序(Now the signal communication system caused by the decline of the Doppler signal extender)

说明：  不同导频长度(6,10,20)情况下的信道估计程序，(Different pilot length (6,10,20) in case of channel estimation procedures)

根据)EF 特性中的对比度敏感度， 即空间频率特性曲线，对图像进行二维多级小波分解，由分解后的各小波分量，提取各频段相应的亮 度、清晰度和相关度指标；然后将这三个指标的几何平均与频段加权系数的内积做算术平均，以此作 为图像质量的综合评价指标(According to) EF characteristic of contrast sensitivity, that is spatial frequency characteristic curve, the image is two-dimensional multi-level wavelet decomposition, the decomposition of the wavelet component, extract the frequency band corresponding brightness, clarity and relevance of indicators then the geometric mean of these three indices and the band doing weighted coefficient of the arithmetic mean within the product as a comprehensive evaluation of image quality index)

基于傅立叶－梅林变换的matlab图像配准程序，可以灵活设置待配准图像的大小及旋转角度等，配准前可以选择多个参数控制配准结果，可以显示配准后的图像及图像间的具体变换参数以及中间结果等(Based on Fourier- Mellin transform matlab image registration procedures, registration can be flexibly set the image size and rotation angle, registration before you can select multiple parameter control registration results, you can display the images and post-registration between images specific transformation parameters and intermediate results)

解码程序,用于对低频信号进行去噪解码处理，抗造性能强(Decoding process for the low-frequency signal de-noising decoding process, strong anti-created performance)