EEG Acquisition System Based on MCU and Hypothesized Instrument

Journal of Wuhan University of Technology ›› 2011, Vol. 33 ›› Issue (7) : 152-156.

信息与计算机工程

YANG Minglong，LIU Quan，AI Qingsong

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The EEG acquisition system is put forward based on the character of electrical signal of human scalp. The electric circuit that consists of biological signal preamplifier circuit, filter circuit, 50 Hz frequency trap circuit can effectively filter the signal noise and amplify the EEG signals. Simultaneously, the system in which the technology of highspeed sampling and serial communication based on MSP430 microcontroller and PC software developed on LabVIEW are adopted could complete the work of digital EEG signal acquisition and realtime waveform display at low cost. The result of system circuit simulation and experiment of data acquisition test indicates that the system put forward could process human bioelectricity signal effectively in real time, and it could be a support for BCI research.

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YANG Minglong，LIU Quan，AI Qingsong. EEG Acquisition System Based on MCU and Hypothesized Instrument. Journal of Wuhan University of Technology. 2011, 33(7): 152-156

References

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Published
2011-07-29
Issue Date
2011-07-29