基于优化变分模态分解的磁瓦内部缺陷检测
冉茂霞,黄沁元,刘鑫,宋弘,吴浩

Internal defect detection of arc magnets based on optimized variational mode decomposition
Mao-xia RAN,Qin-yuan HUANG,Xin LIU,Hong SONG,Hao WU
图 7 A类磁瓦中随机训练样本的声振信号VMD参数PSO寻优结果
Fig.7 Results of VMD parameter optimization with PSO for an acoustic signal of one random sample in Type A