Abstract
Submillimeter crack is detected with a dedicated fiber-optic strain cable, a 1-m-spatial-resolution (w) distributed Brillouin sensor and an advanced signal processing technique. The signal processing approach consists in spectrum shape analysis and multiple peaks detection.
Original language | English (US) |
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Article number | 5257462 |
Pages (from-to) | 1391-1396 |
Number of pages | 6 |
Journal | IEEE Sensors Journal |
Volume | 9 |
Issue number | 11 |
DOIs | |
State | Published - Nov 2009 |
Externally published | Yes |
All Science Journal Classification (ASJC) codes
- Instrumentation
- Electrical and Electronic Engineering
Keywords
- Brillouin optical time domain analysis Brillouin optical time domain reflectometer
- Crack detectiondistributed Bsensor (DBS)
- Fiber-optic strain sensing cable
- Signal processing
- Spatial resolution
- Strain measurement
- Structural helth monitoring