Table 1 Extraction criterion of true BIMFs based on correlation coefficient
From: Grinding Chatter Detection and Identification Based on BEMD and LSSVM
If \(\zeta_{m} \ge \eta\), |
Reserve the \(m^{th}\) BIMF \(g_{m}\); |
Else |
Estimate \(m^{th}\) BIMF, and \(r_{n} = r_{n} + g_{m}.\) |