This paper introduces the system principle of a new type of ECG monitor,and function of each unit used to emit,receive and process signal,and the consideration during the designing of the handware and software.

• 本文介绍了最新研制的心电（ECG）监护仪的系统原理、发射、接收信号处理各单元的功能结构，硬件和软件设计考虑。