基于改进变分模态分解的生命体征检测

韩宇, 张兴敢

Vital signs detection based on improved variational mode decomposition

Yu Han, Xinggan Zhang

表3 不同分解模式数量下余量与模式重构信号的互相关系数

Table 3 The cross?correlation coefficient between the residual and the mode?reconstructed signal under different number of decomposition modes

模式数量 k=2 k=3 k=4 归一化互相关系数 0.16 0.10 0.13