Tomonari Yamaguchi

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Electroencephalograph (EEG) recordings during right and left hand motor imagery can be used to move a cursor to a target on a computer screen (such system is called BCI). Recently, we have proposed the detection method of Error Potential in order to add the fail safe function to BCI system. In this paper, feature extraction method based on morphological(More)
Various harmonics in power systems are measured typically by the heterodyne receiver in analog techniques or the FFT (fast Fourier transform) analyzer in digital methods. Using these methods, the harmonics can be analyzed over a wide range of frequency. However, circuit configurations using such methods become very complicated and the devices become too(More)
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