Objective To investigate the relationship between mental fatigue and power spectrum features of electroencephalogram(EEG)in order to find feasible objective indexes for analyzing mental fatigue level.
目的研究连续数学运算对脑力疲劳的影响，探讨脑电的功率谱特征与脑力疲劳之间的关系，寻找脑力疲劳程度评价的客观指标。
The filter is put on the power spectrum before applying the inverse Fourier transform to yield the correlation output. This technique can be used in pattern recognition of grey level input image.
将这种滤波器放置在傅里叶反变换产生相关输出之前的联合功率谱面上，该技术可以应用在具有不同灰度图像的模式识别中。
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