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。
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.
本文还讨论了零相位互补扇形滤波器的设计。
零相位有限脉冲响应滤波器：是耶，非耶?。
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。
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.
在全相位滤波器设计理论的基础上，本文证明了基于IDCT/DCT域的APDF有零相位特性和子带互补特性。
Secondly, to find the suited application, the characteristics of APDF based on IDCT/DCT are discussed. Zero-phase and sub-band filtering with complementary are two characters of APDF.
在全相位滤波器设计理论的基础上，本文证明了基于IDCT/DCT域的APDF有零相位特性和子带互补特性。
Secondly, to find the suited application, the characteristics of APDF based on IDCT/DCT are discussed. Zero-phase and sub-band filtering with complementary are two characters of APDF.
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