A Vibration Signal Denoising Method of Marine Atomic Gravimeter Based on Improved Variational Mode Decomposition

Table 2

Denoising results with different algorithms.

Methods	SNR (dB)	MSE
Original signal	-7.2690	2.0352
db5	-4.4865	2.1325
sym6	-4.4810	2.1436
EMD-PE-SG	-0.4277	1.1413
The proposed method	1.2517	0.7204