使用多个多普勒雷达传感器进行非接触式脉搏波速度监测的实验演示。

Experimental demonstration of noncontact pulse wave velocity monitoring using multiple Doppler radar sensors.

作者信息

Lu Li, Li Changzhi, Lie Donald Y C

机构信息

Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, USA.

出版信息

Annu Int Conf IEEE Eng Med Biol Soc. 2010;2010:5010-3. doi: 10.1109/IEMBS.2010.5627213.

DOI:10.1109/IEMBS.2010.5627213

PMID:21096684

Abstract

In this paper, two Doppler radars are used to monitor the pulse movements at the heart and the calf in order to measure the pulse wave velocity (PWV) wirelessly. Both simulation and experiment have been performed to demonstrate the feasibility of the proposed noncontact PWV monitoring. A three-stage calibration procedure, including DC offset calibration, circuit delay calibration and antenna radiation pattern calibration, has been developed for reliable long-term PWV monitoring. The measurement results have been verified by wired contact measurement with pulse transducers.

摘要

在本文中，使用两个多普勒雷达来监测心脏和小腿处的脉搏运动，以便无线测量脉搏波速度（PWV）。已进行了仿真和实验，以证明所提出的非接触式PWV监测的可行性。已开发出一种三阶段校准程序，包括直流偏移校准、电路延迟校准和天线辐射方向图校准，用于可靠的长期PWV监测。测量结果已通过与脉搏传感器的有线接触测量进行了验证。