对脑电信号进行模式识别分类，区分出运动想象脑电信号是想象左手运动还是想象右手运动-EEG pattern recognition on the classification, the distinction between the motor imagery EEG is imagination left hand movement or imagined movement

计算Motor Imagert EEG 的ERD/ERS现象-compute the ERD/ERS of the Motor Imagery data