QPSK as an advanced digitalmodulationtechnique is fit for the digital satellite communication system well.
QPSK作为一种先进的数字调制方式，特别适用于数字卫星通信系统。
2
As the core mobile communications technology, one of the digitalmodulationtechnique is to achieve high-speed, highly efficient mobile communication syst and an important guarantee.
而作为移动通信核心技术之一的数字调制技术是实现高速、高效的移动通信系统的重要保证。
3
As the core mobile communications technology, one of the digitalmodulationtechnique is to achieve high-speed, highly efficient mobile communication system and an important guarantee.