The Application of Singular Value Decomposition to the Medical Signal Processing——Detection of Fetal ECG

Li Shuqiu; Hou Ziqiang; Li Qihu

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The Application of Singular Value Decomposition to the Medical Signal Processing——Detection of Fetal ECG

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- The Application of Singular Value Decomposition to the Medical Signal Processing——Detection of Fetal ECG
- Acta Electronica Sinica Issue 1, Pages: 91-97(1991)
- 作者机构：
  
  中国科学院声学研究所
- 作者简介：
- 基金信息：
- DOI：
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- Published：1991
- 稿件说明：
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[1]李淑秋,侯自强,李启虎.奇异值分解方法在医学信号处理中的应用——胎儿心电的检测[J].电子学报,1991(01):91-97.

Li Shuqiu, Hou Ziqiang, Li Qihu. The Application of Singular Value Decomposition to the Medical Signal Processing——Detection of Fetal ECG[J]. Acta Electronica Sinica, 1991, (1): 91-97.
[1]李淑秋,侯自强,李启虎.奇异值分解方法在医学信号处理中的应用——胎儿心电的检测[J].电子学报,1991(01):91-97. DOI：

Li Shuqiu, Hou Ziqiang, Li Qihu. The Application of Singular Value Decomposition to the Medical Signal Processing——Detection of Fetal ECG[J]. Acta Electronica Sinica, 1991, (1): 91-97. DOI：

摘要

奇异值分解已用于从孕妇皮肤测量信号中提取胎儿心电信号。本文着重探索一种在路径并不正交的条件下提取不含母亲心电的胎儿心电的新方法。对工作原理和硬件实现作了简单的介绍。消除了在记录心电图中常遇到的50Hz干扰问题。通过大量实验

确定了可供选择的电极位置。

Abstract

The singular value decomposition （SVD） has been applied to the extraction of the fetal ECG（FECG） out of maternal skin measurement signals. In this pater

we emphatically seek a new method of extracting FECG that is free of maternal ECG under the condition that the path needn’t to be orthogonal. The working principle and hardware implementation of this system are introduced briefly. As one of the major problems encountered in recording ECG

the unwanted 50Hz interference is eliminated. Through a lot of experiments

feasible electrode positions are determined roughly.

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