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<1m W,探测距离 s<5 m,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 .
AIM To study the technology and method of non-contact detection of breathing and heartbeat of human body. METHODS In experimental study, low-intensity millimeter wave with 8 mm wavelength was used, based on Doppler rada principle and technology of biomedical signal processing. RESULTS On the conditions of the illuminate power P<1 mW and the distance s<5 m, the breathing and heartbeat could be measured in different positions, from different wave beam angles and with different clothing on the subject without contact. CONCLUSION This technology and method is high sensitive, harmless to the health and with low-intensity. It is a practicable technology and method of non-contact detection for breathing and heartbeat of the human body.
出处
《第四军医大学学报》
北大核心
2001年第2期180-182,共3页
Journal of the Fourth Military Medical University
基金
第四军医大学创新工程资助项目! (CX99F0 10 )
高等学校骨干教师资助计划资助
关键词
毫米波
呼吸
心率
非接触检测
microwaves
respiration
heart rate
non-contact detection
