基于Chaos Theory的直接序列扩频信号中的检测，并对此进行了仿真。-Chaos Theory Based on direct sequence spread spectrum signal detection, and this simulation.

水声信道的时变相位起伏使得实现可靠的相位跟踪比较困难, 从而造成基于相位检测的 水声通信接收机结构复杂。提出基于FSK 调制的直接序列扩频(DSSS2 FSK) 水声通信系统。-Underwater acoustic channel disguised bit of time to achieve reliable phase fluctuations make tracking more difficult, resulting in detection based on phase

基于解相关多用户检测的并行组合扩频通信系统接收技术研究-Receive Research Decorrelating concurrent multi-user detection based on a combination of spread spectrum communication system