Shock and Vibration / 2016 / Article / Tab 1

Research Article

Gear Fault Diagnosis Based on Empirical Mode Decomposition and 1.5 Dimension Spectrum

Table 1

Run-time comparison of three methods under different SNR conditions.

Sampling pointsSNR/dBRunning time/s
Fourier spectrum1.5 dimension spectrumBispectrum

1024−200.8190.9683.87
−100.7360.9752.93
00.4890.7612.07
100.3140.6531.97
200.2050.5421.86