基于PEMD-MPE算法的露天矿爆破振动信号降噪方法
代树红,张战军,柳凯,郑昊,孙清林

Noise Reduction Method of Open-pit Blasting Vibration Signal Based on PEMD-MPE Algorithm
Shuhong DAI,Zhanjun ZHANG,Kai LIU,Hao ZHENG,Qinglin SUN
表2 各算法爆破振动信号降噪效果指标
Table 2 Noise reduction effectiveness indicators of various algorithms for blasting vibration signals

原始

信号

降噪算法信噪比ξ/dB均方根 误差ε重构标准差ESD
s1EMD-MPE算法22.5120.02510.0203
EEMD-MPE算法24.9250.01920.0304
PEMD-MPE算法26.0320.01870.0178
s2EMD-MPE算法21.4270.02910.0241
EEMD-MPE算法24.8560.02430.0284
PEMD-MPE算法27.0420.01790.0168
s3EMD-MPE算法22.6150.02870.0235
EEMD-MPE算法25.0120.02230.0297
PEMD-MPE算法26.7830.01680.0154