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本文介绍零相移滤波器的工作原理及实现方法。该滤波器能有效地抑制信号的基线漂移和克服滤波过程中的相位失真。由于采用数、模结合的方法(利用数字技术实现时间轴的反转),使整个滤波器具有结构简单和快速、实时的特点。
This article describes the zero-phase shift filter works and methods. The filter can effectively suppress the signal baseline drift and overcome the filtering process of phase distortion. Due to the combination of number and mode (the use of digital technology to achieve the time axis of the reversal), so that the entire filter has a simple and fast structure, real-time characteristics.