An Online Algorithm for Least-Square Spectral Analysis: Applied to Time-Frequency Analysis of Heart Rate

被引：0
|
作者：
Zhang, Zhe [1 ]
Leong, Philip H. W. [1 ]
机构：
[1] Univ Sydney, Dept Elect & Informat Engn, Sydney, NSW 2006, Australia
来源：
2015 37TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY (EMBC) | 2015年
关键词：
RATE-VARIABILITY; MORTALITY;
D O I：
暂无
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
We propose a novel online algorithm for computing least-square based periodograms, otherwise known as the Lomb-Scargle Periodogram. Our spectral analysis technique has been shown to be superior to traditional discrete Fourier transform (DFT) based methods, and we introduce an algorithm which has O(N) time complexity per input sample. The technique is suitable for real-time embedded implementations and its utility is demonstrated through an application to the high resolution time-frequency domain analysis of heart rate variability (HRV).
引用
收藏
页码：2219 / 2222
页数：4
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