A New Joint Denoising Algorithm for High-G Calibration of MEMS Accelerometer Based on VMD-PE-Wavelet Threshold

Table 4

Performance evaluation of different denoising algorithms in dynamic processing.

Methods		Original signal	VMD-PE-wavelet	EMD	Wavelet	VMD
Shock stage	Value (V)	0.088	0.085	0.066	0.045	0.060
	Errors (%)	—	3.4	25	48.8	31.8
Vibration stage	Value (V)	0.249	0.248	0.186	0.013	0.213
	Errors (%)	—	0.4	25.3	94.7	14.4