The second task of brain signal analysis is to extract EP signals from spontaneous EEG in strong backgrounds.
脑电信号分析的任务之二就是如何从强背景自发eeg中提取ep信号。
However, the spontaneous EEG signals are very weak, noisy, and non-stationary signal, so efficient methods of EEG analysis is the core of BCI system.
然而，自发脑电信号非常弱，噪声大，而且是非平稳信号，因此合适的脑电信号分析研究方法是BCI系统的核心内容。
Based on the EEG signal-processing system applying bispectral analysis, the results and their analysis obtained by processing EEG signals are given.
在研制脑电信号双谱分析处理系统软件及硬件的基础上，给出了对实际脑电信号处理所得到的实验结果及分析。
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