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心电信号调理电路研究与实现

更新时间:2020-08-29 14:44:03 大小:631K 上传用户:xiaohei1810查看TA发布的资源 标签:心电信号调理电路 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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研究并设计一款心电信号调理电路系统,可以在滤除不必要噪声和干扰成分的同时又能保护其中的有用部分。调理电路包括前置仪表放大电路,含有Sallen-Key结构的二阶有源高通滤波器,二阶低通贝塞尔滤波器以及二阶双T陷波器。每种滤波器及其元件均采用模块化设计。数据采集和取样电路选用带内置A/D转换器的USB6009模块。在所设计的信号调理电路中可以输出真实的ECG信号,该电路具有成本低廉,便于携带,可以随时对其模块电路进行替换等特点,其波形性能可比商业设备。

A ECG signal conditioning circuit system is researched and designed which can preserve useful information while removing unwanted noise and interference components. This conditioning circuit includes an instrumentation amplifier,an active 2nd-orderhigh-pass filter with Sallen-Key configuration,a 2nd order low-pass Bessel filter, and a 2nd order Twin-T notch filter. The order of these filters and the associated components in each filter have modular feature. Data acquisition and sampling were performed using a USB6009 module with a built-in A/D converter. Testing of a real electrocardiogram on the designed signal Conditioning circuit. The circuit has the advantages of low cost, easy to carry,the module circuit eas...

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1598683410心电信号调理电路研究与实现.pdf 631K

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