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The applications of near infra-red fibre bragg grating sensors for wave propagation based structural health monitoring of thin laminated composite plates

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Academic year: 2019

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Figure

Figure 3.17: STFT analysis.
Figure 3.19: CWT analysis of the waveform; frequency vs time.
Figure 3.21: Experimental set-up for case study 3.6. Note that the specimen’sdimensions is 250 mm × 25 mm × 2.9 mm.
Figure 3.26: Wavelet analysis of AE signals emitted by different source orientation.
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Outline

Issues on piezoelectric sensors for SHM of composite struc- Source localizations Semiconductor light sources Impact location detection Wave mode identification using an NIR-FBG system

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