设计了以Cortex-M3与FPGA为核心的无线生理参数监测仪,可以实时监测人体运动状态下的重要生理参数。文中介绍了监测仪的测量原理,和以心电信号提取为主的系统采集模块、无线电信号传输和中继器等硬件电路的设计;在该硬件系统中,采用NRF24L01无线芯片完成自定义协议数据通信,中继器则采用Cyclone III的FPGA实现对信号预处理及显示功能,同时控制Cy68013经USB与上位机通信;最后进行了对血氧饱和度的实时监测和系统性能的测试,验证了监测仪的可行性。 A wireless physiological parameter monitor based on Cortex-M3 and FPGA is designed, which can monitor important physiological parameters of human body in real time. In this paper, the measurement principle of the monitor is introduced, and the design of the hardware acquisition system, such as the system acquisition module, the radio signal transmission and the repeater, which is based on the ECG signal extraction is introduced. In this hardware system, the NRF24L01 wireless chip is used to complete the protocol data Communications, repeaters use Cyclone III FPGA signal preprocessing and display capabilities, while controlling Cy68013 via USB and PC communication; Finally, the real-time monitoring of oxygen saturation and system performance testing to verify the monitoring Instrument feasibility.