Phase coding patterns of MPSK (multiple phase shift keying) are recogniged based on the phase mutation values which are determined by computing the error energy of adjacent code elements in MPSK.

• 通过计算多相编码信号（MPSK）相邻码元间的误差能量的方法来确定相位突变值，从而达到对MPSK信号相位编码规律的识别。