Yuzhao MA, Ruisong WANG, Xinglong XIONG. Fiber-optic Vibration Signal Recognition Based on BLCD Decomposition and ACO-DBN Network[J]. Acta Photonica Sinica, 2021, 50(2): 44
- Acta Photonica Sinica
- Vol. 50, Issue 2, 44 (2021)
Fig. 1. The overall process of the proposed method
Fig. 2. Mach-Zehnder system sensing schematic diagram
Fig. 3. BLCD-IF screening process
Fig. 4. Deep belief network structure
Fig. 5. Measured climbing signal envelope
Fig. 6. Comparison of decomposition results of different decomposition methods
Fig. 7. Four typical intrusion signals
Fig. 8. Comparison of four characteristic parameters
Fig. 9. Comparison of convergence iteration times of different methods
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Table 1. Experimental instruments and related parameters
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Table 2. Comparison of results of different decomposition methods
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Table 3. Comparison of the effects of two filtering ways
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Table 4. Recognition results before and after feature dimensionality reduction
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Table 5. Comparison of recognition results of different methods
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Table 6. Comparison of multi-point vibration identification results
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