本文利用Simulink平台，模拟了一个小区内十个用户的码元发送，扩频，接收，解扩，判决的CDMA通信基本过程。-In this paper, the use of Simulink platform, simulation of a community within the 10 million to send the user' s code, spread spectrum, receiving, despreading, the verdict of the basic proce