数字滤波器是一种具有频率选择性的离散线性系统，在信号数字处理中有着 广泛的应用。数字滤波器的设计实际上是确定其系统函数H (z)并实现的过程。本文介绍了 用MATLAB设计、实现和分析HR数字滤波器的方法。-digital filter is a kind of frequency selective discrete linear systems, the digital signal processing has wide application. Digital filter de

Alternative good LDPC codes for DVB-S2-In our following paper, we find that the shortten codes of DVB-S2 have some problems,this program can provide a good DVB-S2 LDPC code without cascaded BCH codes. [1] Yang Xiao, Kiseon Kim, "Alternative