The Study of Lead System for Multi-Channel FECG SVD Processing

Yu Liyun; Zhou Ligao

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The Study of Lead System for Multi-Channel FECG SVD Processing

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- The Study of Lead System for Multi-Channel FECG SVD Processing
- Acta Electronica Sinica Issue 7, Pages: 22-27(1992)
- 作者机构：
  
  1. 清华大学电机系
  2. 清华大学电机系北京 100084
- 作者简介：
- 基金信息：
- DOI：
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- Published：1992
- 稿件说明：
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[1]于黎耘,周礼杲.多导胎儿心电SVD处理的导联系统的研究[J].电子学报,1992,{4}(07):22-27.

Yu Liyun, Zhou Ligao. The Study of Lead System for Multi-Channel FECG SVD Processing[J]. Acta Electronica Sinica, 1992, (7): 22-27.
[1]于黎耘,周礼杲.多导胎儿心电SVD处理的导联系统的研究[J].电子学报,1992,{4}(07):22-27. DOI：

Yu Liyun, Zhou Ligao. The Study of Lead System for Multi-Channel FECG SVD Processing[J]. Acta Electronica Sinica, 1992, (7): 22-27. DOI：

摘要

本文研究了应用奇异值分解法（SVD）作多导胎儿心电处理的导联问题

比较了几种导联系统的观测性能

应用有向能量原理从理论上分析了导联系统的设计原理

由此提出了一种新的导联系统

并提出了有向信信比和有向信噪比作为两项评价导联系统的性能指标

以及奇异谱划分信源子空间的判读方法

最后给出了较为满意的临床实验结果。

Abstract

The lead system for multi-channel FECG processing by using Singular Value Decomposition （SVD） method is studied. The performances of several lead systems are compared. We analyze the principies for designing lead system on the basis of oriented energy theory

then we present a new lead system

two indexs

i. e. oriented signal-to-signal ratio and oriented signal-to-noise ratio

for evaluating the lead system

and the judgement technique of singular value spectra for dividing the subspaces of resources. Finally

the satisfactory results of clini-cal experiments are shown.

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Dept.of Computer,Nanjing University of Aeronautics and Astronautics

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