期刊文献+

基于ADS1299的可穿戴式脑电信号采集系统前端设计 被引量:20

The front-end design of wearable EEG acquisition system based on the ADS1299
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摘要 设计了一款可穿戴式脑电采集前端,具有采集精度高、体积小、功耗低、抗干扰性强等特点。采用ADS1299内部集成的可编程放大器(PGA)实现微弱信号的放大;同时为了消除干扰,使用限幅滤波预处理电路和ADS1299内部集成的偏置驱动放大器。实验测试表明,该脑电采集前端设计能较好地把微弱的脑电信号提取出来,并且具有较好的抗干扰能力和实用价值。 A wearable EEG acquisition system front-end is designed in thi paper.It has the advantages of high precision,small in size,low power consumption,strong anti-jamming,etc.Using ADS1299 internal integration of programmable amplifier (PGA) to realize the weak EEG signal amplification; meanwhile,in order to eliminate the interference,we're using the pretreatment circuit of amplitude limiting and filtering and using ADS1299 internal integration of bias driver amplifier.The result from the experiment indicates that the design can extract the weak EEG signal and have strong anti-jamming ability and practicalvalue.
出处 《电子技术应用》 北大核心 2014年第3期86-89,共4页 Application of Electronic Technique
基金 中国交通部科技司应用基础研究项目(2012-319-810-190) 上海市科学技术委员会资助项目(12441903500)
关键词 脑电信号 可编程放大器 偏置驱动放大器 便携式 低功耗 EEG programmable gain amplifier (PGA) bias driven amplifier(BIAS) portable type low-power
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参考文献9

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