Research on AE Source Location of Linear and Plane Rock Mass

Table 2

Results of wave velocity calibration for each group of rod-shaped rock.

Event number	Wave velocity (m/s)
	G3768	GAM	AAM
1	3157.8947	4304.9520	3200.0000
2	3495.1456	4528.2805	2955.6505
3	3130.4348	4528.3446	3174.6032
4	3354.0477	4485.9394	2863.9550
5	3483.8485	4304.8941	3166.2353
6	3323.0565	4549.7846	3208.5476
7	3506.4821	4549.7199	2970.2897
8	3333.3333	4423.9835	2884.6085
Average value (m/s)	3348.0304	4459.4873	3052.9862
Average error	111.8506	86.1581	134.3603
Variation coefficient	0.0471	0.0249	0.0462