Qiufeng Shang, Jiaxing Guo. Submarine Cable Vibration Signal Identification Method Based on VMD-BSA-SVM[J]. Laser & Optoelectronics Progress, 2022, 59(17): 1701001

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- Laser & Optoelectronics Progress
- Vol. 59, Issue 17, 1701001 (2022)

Fig. 1. Flow chart of the VMD-BSA-SVM

Fig. 2. Composition of the experimental system

Fig. 3. Vibration signals. (a) Scouring signal; (b) anchor smashing signal; (c) friction signal

Fig. 4. VMD results of the signal. (a) Scouring signal; (b) friction signal; (c) anchor smashing signal

Fig. 5. Classification results of BSA-SVM. (a) Fitness curve; (b) accuracy of the test set

Fig. 6. Classification results of different algorithms. (a) PSO-SVM algorithm; (b) GA-SVM algorithm; (c) GS-SVM algorithm
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Table 1. Signal characteristics
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Table 2. Comparison results of four types of algorithms

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