版块是用香浓定理来述说扩频通信时传播原理。并用MATLAB的编程软件去建立一个直接扩频的仿真模型的，在排除其他因素的情况下可以观察曲线和动态图去分析直接扩频的可靠程度-Section in aromatic theorem is used to declare the spread spectrum communication transmission principle. With MATLAB programming software to build a simulation model of direct spread spectrum, in the case of rule out other factors can observe curve and dynamic graph to analyze the reliability of direct spread spectrum