Dynamic Error Analysis Method for Vibration Shape Reconstruction of Smart FBG Plate Structure

Table 2

Data error analysis of the reconstruction result.

Vibration frequency			Phase delay	Mixing noise amplitude	Mixing noise expectation
1.5 Hz	93.41%	96.37%	20.05 ms	0.54 cm	−0.18 cm
2.3 Hz	87.05%	89.05%	21.07 ms	0.40 cm	−0.10 cm
3.5 Hz	79.94%	79.95%	17.11 ms	0.28 cm	−0.06 cm
4.2 Hz	83.14%	85.49%	16.67 ms	0.19 cm	−0.02 cm
5.0 Hz	78.64%	75.80%	18.04 ms	0.14 cm	0.00 cm
5.9 Hz	73.53%	72.14%	20.30 ms	0.09 cm	0.03 cm