ECG collecting uses Ag/Agcl electrode as sensor, the signal is amplified and filtered. This paper also proposes an electro cardio distortion less data compression algorithm.

• 心电采集用普通的Ag/AgCl电极作为传感器，对信号进行了放大和滤波处理，得到了高可靠性的心电波形，本文还根据心电数据的特征对心电数据进行无损压缩，该算法简单有效，能实时实现，压缩比达到2-6倍；