Research on AE Source Location of Linear and Plane Rock Mass

Table 19

The comparison of positioning results of cross-correlation technique based on wavelet packet decomposition and experiments.

Focal number	Experiment (cm)		Wavelet packet optimization (cm)		Positioning error (cm)
	X	Y	X	Y	X	Y
C1	111.41	19.94	111.14	19.44	0.138	0.560
C2	101.75	39.07	101.39	41.05	1.390	1.051
C3	117.94	30.09	111.43	28.82	0.430	1.180
C4	122.08	23.13	124.13	22.19	0.130	0.192
C5	104.60	26.84	102.22	25.59	0.780	0.414
C6	125.29	37.31	120.96	38.79	0.960	0.214