Research Article

Feature Extraction of Weak-Bearing Faults Based on Laplace Wavelet and Orthogonal Matching Pursuit

Table 2

The analysis results the simulated signal with the proposed method at different SNR.


0.03−2.2180.1000.3000.5000.7000.9000.969
0.04−3.3470.1000.3000.5000.7000.9000.945
0.06−5.2290.1000.3000.5000.7000.9000.944
0.08−6.4780.1000.3000.5000.7000.9000.916
0.1−7.4470.0970.3000.4990.7000.8970.876
0.15−9.2080.1000.3000.5000.7000.9000.861
0.2−10.4580.1000.3000.5000.7000.9000.821
0.3−12.2180.0990.3010.4970.6990.8990.771
0.5−14.4370.1000.2970.5000.6950.8910.686
1−17.4470.0990.2830.5000.6920.8980.582