The PDF file along with the MATLAB code will step you through how to use the MATLAB® Signal Processing Toolbox™ and the Filter Design Toolbox™ to analyze and optimize the design of the digital down-converter chain for GSM applications.-

1／2亚取样图像信号的自适应内插.pdf，数字图像处理，H.264学习研究必须了解的基础知识-1/2 sub-sampling the image signal adaptive interpolation. Pdf, digital image processing, H.264 study and research to understand the basics

数字信号处理及其Matlab实现.pdf 相关matlab代码(Digital Signal Processing Matlab Code)