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
图7 原始信号(a)和去噪信号(b)频谱图
Fig.7 Spectrum diagram of original signal(a) and denosied siginal(b)