关键词: 微波;呼吸;心率;非接触检测

    摘 要:目的 研究人体呼吸、心率的非接触检测方法和技术. 方法 采用低功率毫米波(λ=8mm)为探测信号，运用多普勒雷达原理和生理信号检测技术进行实验研究. 结果 探测信号功率P<1mW，探测距离s<5m，检测对象着各类衣服、在不同姿势、不同的天线照射角度下，较高质量的检测出人体呼吸和心动信号. 结论 该技术方法检测灵敏度高，功率小，对人体无害，是一种可行的呼吸、心率非接触检测方法.

    Experimental study on non┐contact detection of breathing and heartbeat based on millimeter wave

    WANG Jian-Qi，DONG Xiu-Zhen，WANG Hai-Bin，YANG Guo-Sheng，YANG Bo，JIN Xi-Jing，QIU Li-Jun

    Department of Electronics，Faculty of Biomedical Engineering，Fourth Military Medical University，Xi'an710033，China

    Keywords:microwaves;respiration;heart rate;non-contact detection

    Abstract:AIM To study the technology and method of non-contact detection of breathing and heartbeat of human body.METHODS In experimental study ......