英语语法分析

The system is simple and easy to demodulate.

该系统结构简单，易于解调。

In the receiver, a novel digital method is proposed to demodulate the 2rc CPFSK signal.

在接收机中，使用了一种新颖的数字解调方法实现2rc CPFSK信号的解调。

Brief introduction and analysis of MSK signal, research its characteristic in order to demodulate efficiently.

MS K信号简介及分析，研究其特征，以便有效的对其解调。