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提出一种新型的生物电放大器,巧妙地利用成形信号,不仅提高了过采样性能,还实现了多种生物医学信息的检测;文章以心电信号为例,同步检测了呼吸和导联脱落信号。实验表明该电路不仅能够满足人体生物医学信号动态监测的要求,还具有工艺性好、免调试、对器件性能要求低等一系列优点。该电路不仅可以用于生物电信号的检测,也可用于各种微弱信号的检测。
A new type of bioelectricity amplifier is proposed to make use of the shaped signal cleverly, which not only improves the over-sampling performance but also realizes the detection of many kinds of biomedical information. Taking the ECG signal as an example, the signal of respiration and lead-off . Experiments show that the circuit can not only meet the requirements of human biomedical signal dynamic monitoring, but also has a good technology, debugging-free, low performance requirements of the device and a series of advantages. The circuit can not only be used for bioelectric signal detection, can also be used for a variety of weak signal detection.