简易的数字通信系统matlab软件模拟。主要是采用汉明7，4编解码，信道衰减采用瑞利模型等。-Simple digital communication system simulation matlab software. Mainly used Hamming 7,4 codec, channel attenuation Rayleigh model.

包括系统模型，在各种信道模型下的信道估计(Including system model, channel estimation under various channel models)