Wireless Non-contact EEG/ECG Electrodes for Body Sensor Networks
作者： Yu M. Chi , Gert Cauwenberghs
DOI: 10.1109/BSN.2010.52
关键词: Bandwidth (signal processing) 、 Capacitive sensing 、 Wireless 、 Computer science 、 Electrical engineering 、 Printed circuit board 、 Wireless sensor network 、 Telemetry 、 Daisy chain 、 Electroencephalography
摘要: A wireless EEG/ECG system using non-contact sensors is presented. The consists of a set simple capacitive electrodes manufactured on standard printed circuit board that can operate through fabric or other insulation. Each electrode provides 46dB gain over .7-100Hz bandwidth with noise level 3.80uV RMS for high quality brain and cardiac recordings. Signals are digitized directly top the transmitted in digital serial daisy chain, minimizing number wires required body. small base unit transmits telemetry to computer storage processing.
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