给出了一种新的波形链表达模型，提出了一种新的波峰分类方法，并给出了识别算法。所提方法数学概念清楚，易于计算机实现，可用于具有结构特征的信号的识别。 A new model of waveform chain expression is given, a new method of peak classification is proposed, and a recognition algorithm is given. The proposed method has a clear mathematical concept and is easy to implement by computer. It can be used to identify signals with structural features.