Tactile Sensor Array with Fiber Bragg Gratings in Quasi-Distributed Sensing

Table 3

Average SNR, relative error, and reconstruction ratio for the reconstruction tests with application of up to four loads.

Number of loads	SNR (dB)	SEM (dB)	Error (%)	RR (%)
1	25.440	0.998	8.775	100
2	25.170	0.854	7.363	100
3	23.279	0.573	8.117	100
4	19.660	1.082	10.488	90