基于多普勒雷达传感器的非接触式心音检测

Shuqin Dong, Li Wen, Changzhan Gu, Junfa Mao
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引用次数: 0

摘要

心音可以提供关于心血管状态的重要信息。而广泛应用的心音检测方法往往需要复杂的信号处理,也需要接触式传感器。本文通过实验验证了基于多普勒雷达传感器的心音非接触式检测的可行性。同时使用定制的24G直流耦合连续波雷达传感器、心电装置和PCG传感器对参数进行验证。实验结果表明,该方法能够以较低的采样率(400 Hz)获得准确的心音定时信息和波形,为日常生活中的心音检测提供了一种方便的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Contactless Detection for Heart Sounds Based on Doppler Radar Sensor
Heart sounds can provide crucial information regarding cardiovascular state. While the widely used heart sound detection methods always need complex signal processing and also require contact sensors. In this work, the feasibility of contactless detection of heart sounds based on Doppler radar sensor is demonstrated through experiments. A custom-designed 24G DC-coupled continuous-wave radar sensor, ECG device and PCG sensor were simultaneously employed to verify the arguments. The experimental results validated that the proposed technique has the potential to obtain the accurate heart sounds' timing information and waveform with low sampling rate (400 Hz) which provides a convenient way to detect heart sounds during daily life.
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