使用开关电容滤波器的新设计心电图仪的信号分析

1993 IEEE Annual Northeast Bioengineering Conference Pub Date : 1993-03-18 DOI:10.1109/NEBC.1993.404352

R. Hross, L. Prastitis, Sotirios G. Ziavras

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引用次数: 0

摘要

开关电容滤波器集成到手持式心电图仪中。来自人类受试者的重复信号的分析是通过在低频率(20赫兹)的特别大的滚降(100 dB/dec)来促进的。对谐波的敏感性很容易通过改变单个电阻设置来实现。到目前为止，对这种清洁度和选择性的信号分析只能在非常非常大的机器上进行。

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Signal analysis with a newly designed electrocardiograph using switched capacitor filters

Switched capacitor filters are integrated into a hand-held electrocardiograph. Analysis of repetitive signals from human subjects is facilitated by an exceptionally large rolloff (100 dB/dec) at low frequencies (20 Hz). Sensitivity to harmonics is easily accomplished by changing a single resistor setting. Signal analysis of this cleanliness and selectivity has, up to now, only been possible on very, very large machines.<>

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1993 IEEE Annual Northeast Bioengineering Conference

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