| 基于LabVIEW的无创脉搏血氧检测系统设计 |
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| 引用本文： | 姚峰,乔晓艳,董有尔.基于LabVIEW的无创脉搏血氧检测系统设计[J].山西大学学报(自然科学版),2010,33(1). |
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| 作者姓名： | 姚峰 乔晓艳 董有尔 |
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| 作者单位： | 山西大学物理电子工程学院,山西太原,030006 |
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| 基金项目： | 山西省自然科学基金，山西省高校科技开发项目 |
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| 摘 要： | 设计了一种无创光电容积脉搏波检测系统,它借助LabVIEW图形化虚拟仪器开发平台,利用LabVIEW产生时序信号,调制夹指传感嚣拾取的光电容积脉搏波.通过前置放大滤波及信号调理电路,然后采集脉搏波.经过基于LabVIEW的数字锁相技术,最终解调获得光电容积脉搏波信号.实验结果表明,该系统可以实现无创脉搏波实时检测、脉搏波形回放、储存和分析等功能.
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| 关 键 词： | 数字锁相技术 血氧饱和度 光电容积脉搏波 |
System Design for Non-invasive Detection of Pulse Oximetry Based on LabVIEW |
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| YAO Feng,QIAO Xiao-yan,DONG You-er.System Design for Non-invasive Detection of Pulse Oximetry Based on LabVIEW[J].Journal of Shanxi University (Natural Science Edition),2010,33(1). |
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| Authors: | YAO Feng QIAO Xiao-yan DONG You-er |
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| Institution: | YAO Feng,QIAO Xiao-yan,DONG You-er(School of Physics , Electronics Engineering,Shanxi University,Taiyuan 030006,China) |
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| Abstract: | A detecting system based on the measurement principle of photoplethysmography is designed.Timing sequence signals are generated by the developed platform of the figural virtual instrument based on LabVIEW,and the photoplethysmography signal from the sensor of clip finger is modulated according to the timing sequence.The pulse waveform is acquired after the preamplifier and filter circuits.Moreover,the photoplethysmography signal is obtained by the digital phase-locked technology based on LabVIEW.The results... |
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| Keywords: | LabVIEW labVIEW digitallock-in amplify oxygen saturation photoplethysmography |
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