基于FPGA的脉搏信号采集系统

FPGA-based pulse signal acquisition system

基于中医诊脉客观化的需求,本文介绍了基于FPGA的脉搏信号采集系统,脉搏信号经过脉搏传感器转换为微弱的电信号,再经过信号调理电路,之后把调理电路输出的模拟信号送往A/D转换器进行模数转换,然后再送入FPGA进行相应的处理后将数据显示在显示屏上,同时也将信号送入计算机进行进一步的分析和处理。经过现场测试,可较好的实现脉搏信号采集系统的功能,具有广阔的应用前景。

On the based of the objective demand for chinese medicine pulse diagnosis, This paper introduces the pulse signal acquisition system based on FPGA. Pulse signal convert into weak electrical signals by the the pulse sensor. Then, through the signal conditioning circuit, sending the analog signal to A/D converter for Analog to digital conversion, the date is shown on the display screen by the corresponding processing of the FPGA, At the same time the signal is sent to the computer for further analysis and processing. Through the field test, it shows that the system can realize the function of pulse signal acquisition system better, and has the broad application prospect.