经验模态分解和魏格纳-维利分布在往复泵泵阀振动信号特征提取中的应用
경험모태분해화위격납-유리분포재왕복빙빙벌진동신호특정제취중적응용
Application of EMD and WVD to feature extraction from vibration signal of reciprocating pump valves
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