ADS1298芯片,采集的心电信号是一个差值,心电信号很明显,为什么基线总在漂呢?是右腿驱动没接好吗?还是是因为人体没接地吗?如需接地,该怎么连接呢?这是从ADS1298输出的数字信号,以电压值形式打印的!
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从波形上看基线漂移是很慢的,远在0.5Hz以下,应该可以滤掉的呀。怀疑你的滤波器设计有问题(不像是加了滤波的样子,若加了高通后,数据均值会到0)。能否将你的原始数据发给我,我先处理下看:john-xu@ti.com.