Research on AE Source Location of Linear and Plane Rock Mass

Table 5

The real coordinates and positioning coordinates of line positioning at different wave velocities in GAM.

Calibration wave velocity (m/s)	Real coordinates and positioning coordinates (cm)
	Event 1		Event 2		Event 3
	20	Absolute error	50	Absolute error	70	Absolute error
4304.952	20.93	0.93	50.42	0.42	69.65	0.35
4528.2805	19.29	0.71	50.31	0.31	70.54	0.54
4528.3446	19.29	0.71	50.31	0.31	70.54	0.54
4485.9394	19.60	0.40	50.33	0.33	70.37	0.37
4304.8941	20.93	0.93	50.42	0.42	69.65	0.35
4549.7846	19.13	0.87	50.30	0.30	70.62	0.62
4549.7199	19.14	0.86	50.30	0.30	70.62	0.62
4423.9835	20.06	0.06	50.36	0.36	70.12	0.12