中文说明：这是一个好用的频偏估计算法的matlab仿真程序,使用高阶累积量对MPSK信号进行调制识别，窗函数法设计一个数字带通FIR滤波器。
English Description：
This is a good use of the frequency offset estimation algorithm matlab simulation program, the use of high order accumulation of MPSK signal modulation recognition, the window function method to design a digital bandpass FIR filter.