Hardware-software preprocessing platform for high immunity ECG recording

2011 International Conference on Communications, Computing and Control Applications (CCCA) Pub Date : 2011-03-03 DOI:10.1109/CCCA.2011.6031232

M. Nacéra, Boukhenous Samir, A. Mokhtar

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引用次数: 4

Abstract

An embedded hardware-software Electrocardiogram platform had been conceived, were the design of the Einthoven's lead DI was been described. The system is based on the use of dry electrodes which had been set on three points of the body skin, the sensed signal fed an analog signal pre-processor to enhance its level and improve its noise immunity. The analog processor includes a typical filtering in two bands: the first band B1 is from 0.05 to 40Hz and the second B2 is from 0.05 to 150Hz. Since the analog signal approaches both the desired level and signal to noise ratio, a digital circuit based on microcontroller (AN2131QC) transforms the signal across a normalized USB bus transfer. In any cases, the embedded system could communicate in real time directly to a computer with USB port. Several data acquisition and recording file have been accomplished. Then, some processing tools have been implemented under MATLAB software as the representation of the ECG signals and its spectrum analysis for furthers offline processing.

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高免疫心电记录软硬件预处理平台

设计了一种嵌入式硬件软件心电图平台，描述了因多芬导联DI的设计。该系统采用在人体皮肤的三个点上设置干电极，将感测信号送入模拟信号预处理器，增强信号的电平，提高信号的抗噪能力。模拟处理器包括两个频段的典型滤波:第一个频段B1从0.05到40Hz，第二个频段B2从0.05到150Hz。由于模拟信号接近所需的电平和信噪比，基于微控制器(AN2131QC)的数字电路通过标准化USB总线传输转换信号。在任何情况下，嵌入式系统都可以通过USB接口直接与计算机进行实时通信。完成了几个数据采集和记录文件。然后，在MATLAB软件下实现了一些处理工具，作为心电信号的表示和频谱分析，为进一步的离线处理做准备。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2011 International Conference on Communications, Computing and Control Applications (CCCA)

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