北京理工大学珠海学院 2020 届毕业设计 基于 ARM 的家用 ECG 检测设备的研究与设计 家用小型心电监测系统 摘 要本文设计实现了一种心电信号检测系统。硬件上该系统基于医用心电监测仪简化而来，利用心电电极片以及三输入屏蔽导线，通过标准导线收集人体心电信号，随后利用多级放大滤波电路模块对心电信号进行处理。软件上对采集到的数据进行数字滤波，并实现了上位机的实时存储和显示功能。给出了详细的电路设计方案，完成了相关的数据测试，实现了心电信号的有效输出和显示。测试结果表明该仪器能准确反应心电波形，运动干扰识别率达到了百分之八十以上，能够较为有效的排除运动干扰，获取心电数据。本文研制的心电信号检测系统具有响应讯速、使用简单、性能牢靠、成本低廉等特点。可为用户在家庭心电监护等微弱信号采集方面提供帮助。北京理工大学珠海学院 2020 届毕业设计关键词：微弱信号; 心电信号; 标准导联; 滤波放大; Small household ECG monitoring systemAbstractThis paper introduces the design of ECG signal detection system, which uses ECG electrode piece and three input shielded lead to collect human ECG signal by standard lead, and then processes the ECG signal by multi-stage amplification and filtering circuit module, gives the specific circuit design scheme, completes the relevant data test, and realizes the effective output and display of ECG signal. In software, the collected data is filtered by digital filter, and the upper computer's real-time storage and display functions are realized by 2北京理工大学珠海学院 2020 届毕业设计LabVIEW software. The developed ECG signal detection system has the characteristics of fast response, reliable performance, convenient use and low cost. It can provide help for the majority of ordinary users and families in ECG monitoring and other weak signal acquisition .At present, the domestic electrocardiograph on the market is based on the simplification of medical electrocardiograph. In order to reduce the volume, the co...
