Zhurnal Radioelektroniki - Journal of Radio Electronics. eISSN 1684-1719. 2022. №7
ContentsFull text in Russian (pdf)
DOI: https://doi.org/10.30898/1684-1719.2022.7.11
Investigation of the dynamics
of pulse signals phase portraits
V.V. Boronoev, V.D. Ompokov
Institute of Physical Materials Science of the RAS
670047, Russia, Ulan-Ude, Sakhyanovoy 6
The paper was received June 14, 2022.
Abstract. The article proposes a method of phase representation of dynamic systems for the analysis of pulse waves. A phase portrait is constructed, which is a set of phase trajectories obtained over a certain period of time. The technique of quantitative assessment of the blood ejection intensity in the rapid ejection phase of the cardiac cycle by a pulse wave is substantiated. It establishes quantitative criteria for the blood ejection intensity parameter in chronic and acute forms of diseases. Phase portraits of pulse waves are investigated. It is shown that the contour of the phase portrait mainly reflects the pulse wave amplitude parameters and intensity of the fast and slow ejection phases. The main qualitative regularities of various types of pulse waves are revealed. A quantitative indicator characterizing the geometry of the phase portrait is introduced and experimentally investigated. It allows you to differentiate pulse waves for their compliance with acute or chronic diseases. It is shown that the feature of the phase representation is that it demonstrates the dynamic properties of the system in a compact form. It can be used to evaluate the velocity characteristics of the process, its stationarity.
Key words: pulse wave, phase portraits, cardiac cycle.
Corresponding author: Ompokov Vyacheslav Damdinovich, slvd@mail.ru
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For citation:
Boronoev V.V., Ompokov V.D. Investigation of the dynamics of pulse signals phase portraits. Zhurnal radioelektroniki [Journal of Radio Electronics] [online]. 2022. №7. https://doi.org/10.30898/1684-1719.2022.7.11 (In Russian)