一种模拟便携式脑电信号提取系统的实现

M. E. Sahin, Yunus Uçar, Feyzullah Temurtaş
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引用次数: 4

摘要

本研究旨在进行模拟便携式脑电图(EEG)信号提取系统设计。便携式生物医学信号记录仪对于检测脑炎、癫痫等症状至关重要。随着脑电图信号记录系统的出现,利用电极采集到的人体电信号通过AD620仪表放大器进行预处理放大。放大后的脑电图信号分别被传输到高通、低通和陷波滤波器中,以消除来自人体组织的噪声和模拟电路中邻近电源的干扰。然后通过ADC将信号转换成数字信号。最后,我们利用Arduino将EEG信号传输到计算机上,并通过专门的软件应用程序在Processing接口程序上显示输出信号。双通道脑电图记录系统由于具有可控制的特点,设计用于实时应用,并可发展为多通道系统,在临床环境中获得可靠的结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An implementation of analog portable EEG signal extraction system
In this study, it is aimed to perform an analog portable EEG (electroencephalogram) signal extraction system design. A portable biomedical signal recorder is vital to detect symptoms such as encephalitis, epilepsy etc. With coming into our life of EEG signal recording system, the signal acquired from human with help of electrodes has pre-processed for amplification by use of AD620 which is an instrumentation amplifier. Amplified EEG signals have been transmitted into high pass, low pass and notch filters, respectively to eliminate noise which are surrounded from tissues of the body and interference from the nearby electrical sources in the analog circuitry. Then the signals are converted into digital signals by an ADC. Finally, we transmitted EEG signals to computer by using Arduino and a special software application is used to display the output signals on Processing interface program. Two channels EEG recorder system has designed for real-time applications due to controlling and it can be developed to multi-channel systems to obtain reliable results in clinical setting.
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