扩频通信中用伪随机码对信息数据进行扩频，实现频谱扩展！-Spread spectrum communication using pseudo-random code spreading of information data to realize the expansion of the spectrum!

直接序列扩频通信系统建模与仿真编程，直接序列扩频通信系统建模与仿真编程。-Direct sequence spread spectrum communication system modeling and simulation programming, direct sequence spread spectrum communication system modeling and simulation programming.