基于matlab的直接序列扩频通信系统仿真。这种技术是将要发送的信息用伪随机码（PN码）扩展到一个很宽的频带上去，在接收端，用与发端扩展用的相同的伪随机码对接收到的扩频信号进行相关处理，恢复出发送的信息。-matlab direct sequence spread spectrum communication system based on. This technology is an extension of information to be transmitted with a pseud