摘要
该文设计出一种高速采样、处理,友好界面实时显示的脉象采集系统。该系统以聚偏氟乙烯(PVDF)作为传感器,作为一种柔性材料它能与皮肤紧密贴合。调理电路采用多级设计。依托TI公司TMS320F2808系列高速处理器进行采样与处理,并辅助连接与个人电脑,实时直观的显示信息。该系统具有速度快、精度高、界面友好等特点,同时系统化的保存了采集数据,基于VC++的顶层界面也为Matlab处理留有接口,可以对数据进一步处理分析。
The pulse signal collection system which can sample at high speed and be easy to use in personal computer.The system uses the integrated Polyvinylidene fluoride piezoelectric pulse sensor to pick up the pulse signal and transfer into electric signal.Through the 3-operation-amplifer circuit,the weak pulse signal transfer into strong signal to be sampled by the ADC on microcomputer TMS320F2808 DSP.DSP also processes the pulse signal and send to PC through serial communication interface of single-chip.PC shows the data and the serials at the same time.Also,the system can record,save the data easily.
出处
《电脑知识与技术》
2011年第7X期5138-5140,共3页
Computer Knowledge and Technology
