Publication Type |
Journal Article |
School or College |
College of Engineering |
Department |
Electrical & Computer Engineering |
Creator |
Mathews, V. John; Clark, Edward B. |
Other Author |
Fernando, Kumari L.; Varner, Michael W. |
Title |
Robust estimation of fetal heart rate variability using doppler ultrasound |
Date |
2003 |
Description |
ABSTRACT Heart rate variability (HRV) provides important information about the development of the cardiovascular system in fetuses. This paper presents a new measure of fetal HRV that can be estimated using Doppler ultrasound techniques. This measure employs the multiple signal characterization (MUSIC) algorithm which is a high-resolution method for estimating the frequencies of sinusoidal signals embedded in white noise from short-duration measurements. We show that the product of the square-root of the estimated signal-to-noise ratio (SNR) and the variance of the frequency estimates is independent of the noise level in the signal. Since variations in the angle of incidence of the Doppler ultrasound beam effectively changes the input SNR, this measure of HRV is robust to the input noise as well as the angle of incidence. Presented analysis results validate the robustness properties and the usefulness of the HRV measure. |
Type |
Text |
Publisher |
Institute of Electrical and Electronics Engineers (IEEE) |
First Page |
257 |
Last Page |
260 |
Language |
eng |
Bibliographic Citation |
Fernando, K. L., Mathews, V. J., Varner, M. W., & Clark, E. B. (2003). Robust estimation of fetal heart rate variability using doppler ultrasound. Proc. IEEE International Conf. Acoustics, Speech, and Signal Processing. II-257-60. April. |
Rights Management |
(c) 2003 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. |
Format Medium |
application/pdf |
Format Extent |
267,962 bytes |
Identifier |
ir-main,15174 |
ARK |
ark:/87278/s6xp7pfj |
Setname |
ir_uspace |
ID |
706176 |
Reference URL |
https://collections.lib.utah.edu/ark:/87278/s6xp7pfj |