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目前在有关脑诱发电位的测量研究和临床应用中，为了避开自发脑波的干扰，通常把脑波的频率范围设置在１００Ｈｚ以上的区域进行测量和处理（利用几十毫秒长的短数据段），然而随着自发脑波衰减的同时，相应也衰减了诱发电势（ＢＥＰ）的数值，这样反而又增加了对特征信息提取
Currently in the measurement of brain evoked potentials and clinical applications, in order to avoid spontaneous brainwave interference, the brainwave frequency range is usually set in the area above 100Hz for measurement and processing (using tens of milliseconds long short data segment However, with the spontaneous brain wave attenuation, the value of evoked potential (BEP) is correspondingly attenuated, which in turn increases the extraction of feature information