Application of adaptive time-frequency analysis in cardiac murmurs signal processing

被引：0
|
作者：
Wang, HB [1 ]
Wang, JQ [1 ]
Luo, GH [1 ]
Zhao, GH [1 ]
Ni, AS [1 ]
机构：
[1] Fourth Mil Med Univ, Dept Biomed Engn, Xian 710032, Peoples R China
来源：
PROCEEDINGS OF THE 23RD ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, VOLS 1-4: BUILDING NEW BRIDGES AT THE FRONTIERS OF ENGINEERING AND MEDICINE | 2001年 / 23卷
关键词：
cardiac murmur; time-frequency distribution; adaptive;
D O I：
10.1109/IEMBS.2001.1020596
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
In order to avoid the disadvantage of low resolution of fixed-kernel time-frequency(TF) analysis, adaptive TF analysis is employed to classify cardiac murmurs including systolic murmur, diastolic murmur. The analysis results of several cases of heart disease with different cardiac murmurs indicate that the TF spectrum based on adaptive cone-kernel distribution is capable to show the power spectrum of cardiac murmurs in TF plane and the dynamic course. The TF resolution is high and the characteristics of different kinds of murmurs is obvious.
引用
收藏
页码：1896 / 1898
页数：3
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