The possibility and efficiency of a way by the Empirical Mode Decomposition (EMD), a recently popular signal analysis method, to check the position of QRS in an ECG is discussed in this paper.

• 讨论了一种信号分析法-经验模式分解法，用于检测心电信号中QRS波的可行性和有效性，并提出了相应的检测算法。