On this base, adaptive filter is proposed and applicated in EEG processing. Secondly, analog EEG detecting system of higher CMRR is designed and gets well effect.

• 在此基础上,针对固定滤波器存在的问题,提出了将自适应滤波技术应用于脑电测试中,并进行了理论研究和仿真研究,设计出了能较好地滤除50Hz强干扰的自适应陷波滤波器和去基线漂移的自适应滤波器。