Table 2 Correlation coefficient for the four filtering methods
From: An FSCEEMD method for downhole weak SNR signal extraction of near-bit attitude parameters
EMD | EEMD | UKF | FSCEEMD | |
|---|---|---|---|---|
Inclination angle | 0.2945 | 0.6814 | 0.6871 | 0.7776 |
Tool face angle | 0.2218 | 0.7572 | 0.7246 | 0.8088 |