用来介绍LT码中度分布函数的一篇论文，很有参考价值，对于研究LT码的人很有用-LT code used to introduce a moderate distribution function papers, a good reference for the study of LT codes were very useful

EWF码是一种有不等差错保护（UEP）特性的喷泉码，此程序给出了实现方法。-EWF codes are a class of fountain codes with unequal error protection (UEP) property. This programme gives the implementation method.