自适应滤波在胎儿心电图中的应用

[1992] Proceedings Fifth Annual IEEE Symposium on Computer-Based Medical Systems Pub Date : 1992-06-14 DOI:10.1109/CBMS.1992.245033

X. Zhou, P. Engler, M. Coblentz

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引用次数: 8

摘要

描述了一种用于消除腹部胎儿心电图(FECG)中母体心电图(MECG)分量的混合自适应算法。对6例孕妇进行3次肢体(1、2、3)导联心电图和1次腹部心电图记录。三条肢体心电图记录通过Gram-Schmidt程序正交化，并输入到多通道自适应滤波器中。经过自适应算法处理后，将这三个正交的心电记录放在一起，模拟腹部FECG中的MECG分量。混合自适应滤波器的理想输出将是一个无meg成分的胎儿心电信号，可以为产科医生提供有价值的临床数据。

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Adaptive filter application in fetal electrocardiography

A hybrid adaptive algorithm for canceling the maternal electrocardiogram (MECG) component in abdominal fetal electrocardiography (FECG) is described. Three limb (1,2,3) lead ECG recordings and one abdominal ECG recording are taken from 6 pregnant women. The three limb ECG recordings are orthogonalized through the Gram-Schmidt procedure, and are input to a multichannel adaptive filter. After processing by the adaptive algorithm, these three orthogonal ECG recordings will be put together to simulate the MECG component in the abdominal FECG. The ideal output of the hybrid adaptive filter will be an MECG-component-free fetal ECG signal, which can provide valuable clinical data to the obstetrician.<>

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[1992] Proceedings Fifth Annual IEEE Symposium on Computer-Based Medical Systems

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