中文摘要：

为了减少脑电信号（EEG）采集系统的复杂性、实验前长时间繁琐的准备过程,以及改善采集系统的抗干扰性、可穿戴性和舒适性,设计了一种带有8通道主动干电极传感器的无线可穿戴脑电采集系统,具有24位ADC,109 d B信噪比,±500 m V/10 Hz的交流输入范围。实验结果表明：该系统和商业系统记录的脑电图波形之间的相关系数为0.89,增加了可穿戴无线采集系统的可靠性,改善穿戴的舒适性。采用该系统可实现脑电的静态记录和基于稳态视觉诱发（SSVEP）的脑—机接口（BCI）应用。

英文摘要：

In order to reduce complexity of Electrophysiological signal collection system and long complicated preparation process before experiment, present a wireless wearable EEG acquisition system with 8-channel, active dry electrode sensor,24-bit ADC, 109 dB SNR, ＋500 mV/10 Hz AC input range,which improves anti-interference performance,increases comfort of wearing, and makes it suitable for wearable applications. Experimental results show that the correlation coefficient between the EEG waveform recorded by proposed systems and that by commercial systems is 0.89. This system can be used for BCI applications based on the EEG recording and static steady-state visual evoked（SSVEP）.