direct sequence spread spectrum

• 直接序列扩频

direct sequence spread spectrum的用法和样例：

例句

1. To solve the problem of tracking for direct sequence spread spectrum signals where data is non-coherent with code, a new method of tracking is presented.
   摘要针对数据位和伪码周期非相参时直接序列扩频信号的跟踪问题，提出了一种新的跟踪方法。