它是基于matlab的CDMA通信仿真，包含白噪声加入的整个物理链路过程，还有瑞利衰落分析、信噪比分析和误码率分析。 -It is based on the matlab CDMA communication simulation, including white noise to join the whole process of physical link, and the Rayleigh fading analysis, signal-to-noise ratio analysis