Result Through the method, the unobvious dicrotism, trail wave and the anomalistic wave appearing at the ascending and descending edge of the main wave, and multi-scale characters and all kinds of characters in time domain of pulse signal were further acquired more accurately. 结果确定了不明显的重搏前波、重搏波,以及在主波上升沿和下降沿上出现的不规则脉波,并进一步准确提取了脉象信号的多尺度特征和各种时域特征。