码分多址是以扩频通信为基础的一种调制和多址方式。-CDMA is a spread spectrum communication-based modulation and multiple access.

CDMA系统中的扩频研究，这是时下应用广泛的一种技术，并且会在接下来的4G网络中更深应用-Study of the spread spectrum CDMA system, which is nowadays widely used a technology, and deeper in the next 4G network applications