P300 speller paradigm is actually a multi-class recognition problem, mainly including preprocessing, feature extraction and recognition classification.
P 300字符拼写的实质是一个多类识别问题，主要包括三个环节：预处理、特征提取、识别分类。
P300 speller paradigm is actually a multi-class recognition problem, mainly including preprocessing, feature extraction and recognition classification.
P 300字符拼写的实质是一个多类识别问题，主要包括三个环节：预处理、特征提取、识别分类。
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