自适应阈值的小波噪声消除方法及其在消除心电图(ECG)噪声方面的应用

被引:5
作者
赵勇
郭鹏
机构
[1] 北京大学深圳研究生院集成微系统科学与工程重点实验室移动视频网络技术中心
关键词
小波; 噪声消除; B-样条;
D O I
暂无
中图分类号
TP391.41 [];
学科分类号
080203 ;
摘要
降低或者消除噪声,对得到有用的信号十分重要。例如像ECG这类非平稳信号,其噪声统计特性因为经常受各种因素的影响而变得十分复杂。在本文中,通过将应用小波进行噪声消除和B-Spline(B样条)噪声消除相结合的方法,得到一种新的信号噪声消除技术。试验证明,本文所提出的技术能够抑制噪声,并同时保留信号的细节特征。
引用
收藏
页码:531 / 535
页数:5
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