使用24 GHz多普勒雷达进行非接触式心率测量

2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications (IMWS-BIO) Pub Date : 2013-12-01 DOI:10.1109/IMWS-BIO.2013.6756191

W. Ser, Jufeng Yu, Xufeng Guo, Jianmin Zhang, M. E. H. Ong

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引用次数: 7

摘要

目前的心率测量方法包括使用心电图或脉搏血氧计系统。虽然这些系统是有效的，但它们需要皮肤接触。已经证明，多普勒雷达也可以用来测量心率。本文介绍了一种改进的24ghz多普勒系统的设计。改进后的信号调理板采用一个2级放大器和一个简单的直流失调补偿电路。该设计消除了不稳定问题，降低了电路噪声。给出了所采用的信号处理算法。使用改进后的系统对16名志愿者进行了测量，并取得了令人满意的结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Noncontact heart rate measurement using a 24 GHz Doppler radar

Current heart rate measurement methods include the use of ECG or pulse oximeter systems. While these systems are effective, they require skin contact. It has been demonstrated that Doppler radars can be used to measure heart rates too. This paper presents the design of a modified 24 GHz Doppler system. The modified signal conditioning board uses a 2-stage amplifier and a simple dc offset compensation circuit. The design removes the unstable problem and reduces circuit noise. The signal processing algorithm used is also presented. Measurements on 16 volunteers were made using the modified system and promising results have been obtained.

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来源期刊

2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications (IMWS-BIO)

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