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EEG Signal Amplifier Design Based on Driven-Right-Leg Technology
Author(s): 
Pages: 777-781
Year: Issue:  6
Journal: Journal of Northeastern University(Natural Science)

Abstract: 设计了高性能的脑电信号(EEG)放大器,将差分放大电路、右腿驱动电路应用于放大器的前置部分,有效消除共模信号干扰,通过前置放大器和两级后级放大器将EEG信号放大,通过设计并合理安置多个低通滤波器和50 Hz陷波器,有效消除EEG信号中的高频干扰和工频干扰,在非屏蔽室的条件下能够有效检测到EEG信号.测试结果表明,放大器各个部分性能指标已达到设计要求,同时在测试者头皮采集到了实际的EEG信号,证明了...
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