In this paper, a new post processing method is put forward.It has a good effect on the phase equivocation brought by both residual frequency and noise.

• 该文提出了一种新的相位后续处理方法，不但能够消除由剩余频差带来的相位模糊，而且对于由噪声引入的相位模糊仍然非常有效。