In the research of the transient visual evoked potential(VEP)based brain-computer interface(BCI),VEP signal extraction and recognition are essential for obtaining BCI control signal.

• 在基于视觉诱发电位脑机接口研究中 ,需要在强噪声背景下迅速准确地提取出微弱的视觉诱发电位信号。