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Ultra high impedance sensor with applications in neurosensing
Ultra high impedance sensor with applications in neurosensing
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机译:超高阻抗传感器及其在神经传感中的应用
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摘要
A sensor circuit usable with capacitive sensors in an electrical potential sensing network is provided. The sensor circuit provides bias current while maintaining a high input impedance for signals in a frequency band of interest by positive feedback of a filtered measurement through a finite impedance. The sensor circuits are suited for technologies such as, but not limited to electroencephalography (EEG), electromyography (EMG) and electrocardiograms (ECG). A neurofeedback system utilizing the capacitive conduction sensor is also described.
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