Research on Pulse Wave Velocity Measurement Method Based on Dual-mode Algorithm
LIU Cong LIU Yunqing
(School of Electronic and Information Engineering, Changchun University of Science and Technology, Changchun 130022, China)
(Institute of Space Optical Electronic Technology, Changchun University of Science and Technology, Changchun 130022, China)
Abstract：Human Pulse Wave Velocity (PWV) is considered to be one of the important factors that reflects the cardiovascular and cerebrovascular health and the elasticity change of vascular wall. The research of medical pulse wave velocity becomes increasingly hot, such as diabetes, high blood pressure, coronary heart disease, atherosclerosis and other diseases are also closely related. Therefore, the detection of PWV has important and special significance. This paper focuses on signal extraction and signal analysis to study the pulse wave, using the standard clock signal to insert the signal extracted between the brachial artery and radial artery and the dual-mode algorithm of the average among the phase difference of multi-point pulse wave signal, then the PWV is accurately calculated, and its standard deviation is between 0.06 and 0.12. The dual-mode algorithm is superior to the traditional PWV measurement method in real-time, measurement accuracy and stability. It can be used in pulse wave medical research and experiments.
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