这是IS-95前向链路系统的MATLAB仿真程序及注释。包括用S-FUNCTION方式编写的M文件。共有10个M文件和一个MATLAB程序DOC文件，包括扩频调制、匹配滤波、RAKE接受等相关通信模块的代码，仿真环境为加性高斯白噪声信道。-This is the IS-95 forward link system, MATLAB simulation program and comments. Including the use of S-FUNCTION approach to the preparation of the M file. A total of 10 M DOC file and a MATLAB program files, including spread spectrum modulation, matched filter, RAKE receiving the code and other related communication module, the simulation environment for the additive white Gaussian noise channel.