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[SQL Server] Lab0304-XINT DL : 0: 在心电信号的采集过程中，会引入各种干扰噪声，如基线漂移。为了得到不失真的心电信号，在诊断分析前要对信号进行预处理---数字滤波。 FIR滤波器容易实现线性相位。对于相位要求严格的场合，要求用FIR滤波器实现滤波，实验要求用用FIR高通滤波器法去除其中基线漂移。 -ECG acquisition process, will introduce all kinds of interference noise, such as baseline drift. In order to get undistorted ECG in the diagnosis of pre-process the signal before--- digital filter. Linear phase FIR filter is easy to implement. For the phase-critical occasions, asked to use FIR Filter filter, test requirements with a high-pass filter with the FIR in which baseline drift removal.
Date : 2025-12-22 Size : 167kb User : yujing