Bearing Health Monitoring Based on the Orthogonal Empirical Mode Decomposition

Table 2

Accelerometers’ main characteristics.

Voltage sensitivity	100 mV/g
Frequency range ±5%	1 ÷ 3000 Hz
Frequency range ±10%	0.7 ÷ 6500 Hz
Resonant frequency	≥22 kHz
Amplitude range	50 ± g pk
Resolution (broadband)	0.001 g rms
Temperature range	−65 ÷ 250°F
Amplitude linearity	±1%
Sampling frequency	25600 Hz