数字喷泉码PPT，主要说明了随机数字喷泉码，LT码，raptor码以及其基本的编译码方法并附加LT coeds的matlab程序-Digital fountain code PPT, the random digital fountain codes, LT codes and raptor code and the basic encoding and decoding methods

本Raptor码仿真程序很好地解释了学习过程中遇到的各种困难，仿真正确，实用价值高-The Raptor code emulation program to explain the difficulties encountered in the learning process, correct simulation, high practical value

raptor的MATLAB仿真程序，调试可行，有参考价值，有助于喷泉码的研究(Raptor MATLAB simulation program, debugging feasible, with reference value, contribute to fountain code research)