心音采集分析系统设计

设计一种用于检测心功能的家用心音采集分析系统。该系统由心音采集板和分析软件组成。心音采集板由心音传感器和信号处理模块组成,能够采集心音信号并通过USB接口将心音数据发送至上位机进行分析。分析软件以Microsoft Visual C＋＋为开发平台,用于心音的采集和正常、异常心音的识别,并以易于理解的图形给出诊断结果。通过使用正常和异常的心音数据对系统进行验证,其结果证明该系统可采集并识别正常和异常心音。该系统经过进一步发展将可以真正成为一种家用心功能检测设备。

A Heart Sound Acquisition and Analysis System

This paper focuses on a heart sound acquisition and analysis system for in-home use of heart condition monitoring. The acquisition board is comprised of a transducer and a processing module, which is used to detect and send heart sound signals to PC via USB interface for heart sound analysis. The analysis software identifies normal and abnormal heart sounds, and provides an easy under- standing graphical representation of analysis results. Both normal and abnormal heart sounds are used to verify the validity of the sys- tem, and the results show the system can discriminate normal heart sounds from abnormal ones. It is envisaged that the system can e- ventually be used for in-home use of heart condition monitoring where even inexperienced users are also able to monitor heart conditions easily.