基于改进CEEMDAN-DCNN的声发射源识别分类方法

谢学斌,刘涛,张欢

Identification and Classification Method of Underground AE Source Based on Improved CEEMDAN-DCNN

Xuebin XIE,Tao LIU,Huan ZHANG

表1 CEEMD、CEEMDAN及改进CEEMDAN法参数及性能比较

Table 1 Comparison of parameters and performance of CEEMD，CEEMDAN and improved CEEMDAN method

方法 噪声个数 噪声幅值ai 噪声标准差 迭代次数 嵌入维数 时间延迟 计算耗时/s 正交性指标 CEEMD 35×2 0.2 - - - - 23.0798 0.0879 CEEMDAN 70 0.2 0.1 200 - - 8.5336 0.0318 改进CEEMDAN 70 0.2 0.1 200 6 1 4.0067 3.8396e-4