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你好，请问：
一：心电的耐极化电压正负300mV，算不算共模电压？
二：ADS1298R内部硬件有没有去除耐极化电压？还是直接在软件上面设计了？
如果你的电极极化不匹配就会变成差模电压造成基线的漂移，需要软件去滤波
