Yunfeng Kou, Fei Dai, Zhiguo Zhao, Jianming Lü, Xie Ma. Leakage signal classification and recognition method based on fusion features[J]. High Power Laser and Particle Beams, 2024, 36(4): 043018
- High Power Laser and Particle Beams
- Vol. 36, Issue 4, 043018 (2024)
Fig. 1. Algorithm flowchart
Fig. 2. Wavelet feature projection
Fig. 3. Hilbert characteristic projection map
Fig. 4. Bispectral feature projection maps
Fig. 5. Confusion matrix of prediction results based on fusion features when the signal-to-noise ratio is 0 dB
Fig. 6. Confusion matrix of prediction results based on wavelet features at different signal-to-noise ratios
Fig. 7. Confusion matrix of prediction results based on HHT features at different signal-to-noise ratios
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Table 1. Five types of leakage sources
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Table 2. Five types of leak source characteristics
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Table 3. Number of sample data sets of five types of leakage sources
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Table 4. Prediction accuracy of different feature maps under different signal-to-noise ratios
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