Performance Improvement of Membrane Stress Measurement Equipment through Evaluation of Added Mass of Membrane and Error Correction

Table 8

Coefficients of the regression curve for each membrane material.

Parameter			Value			Standard deviation
			Membrane material Type
			A	B	C	A	B	C
			0.0229	−0.1245	−0.0455	0.0896	0.0390	0.0384
			−0.0510	0.1701	0.1224	0.0212	0.0230	0.0227
			0.0304	0.0294	0.0319	0.0010	0.0026	0.0026
Determination coefficient			Standard deviation			Number of data
Membrane material type
A	B	C	A	B	C	A	B	C
0.9940	0.9908	0.9895	0.2476	0.0973	0.0884	80	42	42