坐式心冲击信号检测系统设计及心率分析
首发时间:2017-08-11
摘要:为了实时监测人体工作和睡眠状态的相关生命体征,使突发性心脏病和心脑血管疾病患者得到及时救护,设计实现了一种基于心冲击(ballistocardiogram,BCG)信号的无束缚实时生命体征监测系统。通过电荷放大器、低通滤波器、电压放大器处理压电薄膜传感器输出的体震信号,并通过微处理器采集后无线传输到上位机,实现了信号的连续存储、分析和预警功能。采用10名健康成年被试者的BCG信号和ECG信号对比分析,验证了系统对生命体征监测的有效性,为生命体征监测走入办公室和家庭做了有益的尝试。
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The design of seated BCG signal acquisition system and analysis of heart rate
Abstract:In order to real-timely monitor the vital signs which are related to the state of human work and sleep, a chainless and real-time Vital signs monitoring system was designed based on BCG signal to make patients who suffer sudden heart attack and cardiovascular disease get rescue in time. Body vibration signal comes through the output of the Charge amplifier, low-pass filter and piezoelectric thin film sensor disposed by voltage amplifier, and then the signal is transferred to PC with the microprocessor collecting, the function of signal's continuous storage, analysis and early warning comes true. The effectiveness of the system monitoring vital signs was verified with the comparison and analysis of 10 healthy adult subjects' BCG signal and ECG signal, which makes a beneficial attempt to make vital signs monitoring system step into office and home.
Keywords: BCG Body vibration signal Vital signs Real-time monitoring
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