便携式心电信号分析仪电路结构综述

Ooi Chip Pin, A. B. Jambek, S. Yaacob
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引用次数: 6

摘要

本文讨论了用于可穿戴生物医学设备的心电图心率检测器的电路比较。在这项工作中,使用QRS复合体来计算心率,代表心电信号的主要成分。为了使检测器达到较高的精度,所测量的心电信号必须无噪声。通常,这种噪声来自电力线干扰和基线漂移。为了消除这些噪声,必须采用信号处理方法对心电信号进行处理。心电检测过程可分为预处理阶段和特征提取阶段,预处理阶段去除原始心电信号中的噪声,特征提取阶段提取QRS复合体进行心率计算。根据我们的分析,在设计一个高效的系统时,心电信号结构的复杂性和准确性之间的权衡是很重要的。
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Circuit architectures reviews for portable ECG signal analyzer
This paper discusses the circuit comparison of the electrocardiogram (ECG) heart rate detector for wearable biomedical devices. In this work, the QRS complex is used to calculate heart rate, representing the main component of the ECG signal. In order to achieve a high level of accuracy by the detector, the measured ECG signal must be free of noise. Typically, such noise originates from power line interferences and baseline wandering. To eliminate these noises, the ECG signal must be processed using the signal processing method. The ECG detection process can be divided into a preprocessing stage, which eliminates noise from the raw ECG signal, and the feature extraction stage, which extracts the QRS complex for heart rate calculation. Based on our analysis, the trade-off between complexity and accuracy in ECG signal architecture is important when designing a high-efficiency system.
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