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Time-frequency analysis of heart rate variability during head-up tilt

Wang, Shou-Yan, Zhang, Li-Fan, Cheng, Jiu-Hua and Wang, Xing-Bang (2001) Time-frequency analysis of heart rate variability during head-up tilt Journal of the Fourth Military Medical University, 22, (4), pp. 301-305.

Record type: Article


AIM To study the time-frequency analysis of heart rate variability.
METHODS Four time-frequency methods were applied to heart rate variability analysis during head-up tilt, which were short-time Fourier transform, Choi-Williams distribution, cone-kernel representation and continuous wavelet transform.
RESULTS Low frequency component increased while high frequency component decreased. Each component was under dynamic modulation during supine and head-up tilt.
CONCLUSION Time-frequency methods can be applied to studying the dynamic change of heart rate variability, which could be potential in clinical monitoring.

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Published date: 2001
Keywords: posture, heart rate, time-frequency analysis
Organisations: Human Sciences Group


Local EPrints ID: 46605
ISSN: 1000-2790
PURE UUID: 6e3a900d-2934-40f1-a04e-f165550d65a4

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Date deposited: 12 Jul 2007
Last modified: 17 Jul 2017 15:06

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Author: Shou-Yan Wang
Author: Li-Fan Zhang
Author: Jiu-Hua Cheng
Author: Xing-Bang Wang

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