我觉得挺有用的。里面包含很多很多PB的技巧，看看一定不会后悔-I feel quite useless. PB which contains many of the skills, to see will not regret it

A token ring network consists of a set of nodes connected in a ring. The ring is a single shared medium. The token ring technology involves a distributed algorithm that controls when each node is allowed to transmit. All nodes see all frames, and

讲述Altera FPGA的术语，挺有用的手册-About the terms of the Altera FPGA, quite useless manual

霍夫曼编码的matlab实现,通信类相关的，可以做个参考-Communication and Information Engineering Huffman encoding using matlab (0,1 encoding), the program is quite useless, you can take a look at