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.
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| 0.03 | −2.218 | 0.100 | 0.300 | 0.500 | 0.700 | 0.900 | 0.969 | 0.04 | −3.347 | 0.100 | 0.300 | 0.500 | 0.700 | 0.900 | 0.945 | 0.06 | −5.229 | 0.100 | 0.300 | 0.500 | 0.700 | 0.900 | 0.944 | 0.08 | −6.478 | 0.100 | 0.300 | 0.500 | 0.700 | 0.900 | 0.916 | 0.1 | −7.447 | 0.097 | 0.300 | 0.499 | 0.700 | 0.897 | 0.876 | 0.15 | −9.208 | 0.100 | 0.300 | 0.500 | 0.700 | 0.900 | 0.861 | 0.2 | −10.458 | 0.100 | 0.300 | 0.500 | 0.700 | 0.900 | 0.821 | 0.3 | −12.218 | 0.099 | 0.301 | 0.497 | 0.699 | 0.899 | 0.771 | 0.5 | −14.437 | 0.100 | 0.297 | 0.500 | 0.695 | 0.891 | 0.686 | 1 | −17.447 | 0.099 | 0.283 | 0.500 | 0.692 | 0.898 | 0.582 |
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