Zhiwei Liu, Ying Shang, Chen Wang, Wenan Zhao, Chang Li. Pipeline Leakage Monitoring Technology of Distributed Optical Fiber Vibration Based on Multi-Dimensional Spatial Data Fusion Algorithm[J]. Laser & Optoelectronics Progress, 2023, 60(9): 0928002
- Laser & Optoelectronics Progress
- Vol. 60, Issue 9, 0928002 (2023)
Fig. 1. Schematic diagram of DVS system
Fig. 2. Schematic diagram of pipeline and optical cable layout
Fig. 3. Waterfall diagram of leakage point location. (a) Leakage point A1; (b) leakage point A2; (c) leakage point A3
Fig. 4. Vibration curve of leakage point
Fig. 5. Time domain signal of leakage point
Fig. 6. Multi-dimensional spatial data fusion signal at location of leakage point
Fig. 7. Time-domain signal and multi-dimensional spatial data fusion signal. (a) Leakage point location A1; (b) leakage point location A2; (c) leakage point location A3
Fig. 8. Multi-point leakage vibration signal
Fig. 9. Multi-dimensional spatial data fusion signal
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Table 1. Leakage point alarm situation
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