我买了这块演示套件真人实测心电信号,供电电源为6V干电池的直流电。笔记本也跟交流电断开了。心电电极贴在双手腕和右腿,但是测出来的心电信号工频干扰还是很严重,心电信号各段的波形无法分明。 请问应该怎么来消除这个干扰,得到比较真实的心电信号。
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