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针对以往电子血压计的不足,介绍了一种基于可编程片上系统(SOPC)的智能电子血压计的设计,血压测量的方法采用基于充气过程的示波法。该系统采用CycloneII系列低成本FPGA,并嵌入NIOSII软核作为核心处理器,可以完成自动测量血压、信息显示、数据存储、查看和删除历史数据等功能。由于采用了FPGA,从而简化了电路的设计,提高了系统的可靠性和稳定性,并且使系统具有较强的可扩展性,有利于系统的升级。
Aiming at the shortcomings of previous electronic sphygmomanometers, a smart electronic sphygmomanometer based on Programmable System-on-Chip (SOPC) was introduced. The method of blood pressure measurement was based on the oscillometric method of aeration. The system uses CycloneII series of low-cost FPGA, and embedded NIOSII soft core as the core processor, you can complete the automatic measurement of blood pressure, information display, data storage, view and delete historical data and other functions. As a result of the FPGA, which simplifies the circuit design, improve system reliability and stability, and make the system has strong scalability, is conducive to system upgrades.