zero-phase filtering

By using these methods, the system can be of the feature of zero phase error, and the filtering of EEG signals with zero phase error can be realized.

利用该方法可以使系统具有零相位特性，实现脑电信号的零相位失真滤波。

Universally analyzed and discussed in this paper is the visualization of inhomogeneous phase distribution of phase objects with spatial zero frequency filtering and knife edge filtering method.

对空间滤波法的零频滤波与刀口滤波显示位相型物体的非均匀位相分布进行较为普遍且详尽的分析讨论，并给出一些实验结果。

Aiming at the problem of phase error caused by normal filters in signal processing , summarizes the important meaning of digital filtering with zero phase error.

针对通常情况下滤波器引起的相移问题 ，概述零相位滤波的重要意义。