An Experiment Monitoring Signals of Coal Bed Simulation under Forced Vibration Conditions

Table 11

Extreme and enhanced coefficient of acceleration response (1.5 g).

Shock excitation frequency (Hz)	(g)	(g)	(g)	(g)
28	1.585	0.3183	0.349	1.1753	1.41	1.54	5.19
29	1.5107	0.3103	0.2153	0.8097	1.44	1.00	3.75
30	1.4597	0.3043	0.1837	0.5517	1.46	0.88	2.65
31	1.471	0.2703	0.1393	0.3253	1.29	0.66	1.55
32	1.432	0.2513	0.1627	0.395	1.23	0.80	1.93
33	1.4934	0.292	0.1523	0.4393	1.37	0.71	2.06
34	1.4743	0.29	0.2407	0.623	1.38	1.14	2.96
36	1.5159	0.2917	0.2283	0.5117	1.35	1.05	2.36
35	1.5157	0.311	0.2237	0.5077	1.44	1.03	2.34
20	1.5256	0.2873	0.3037	0.8097	1.32	1.39	3.72
15	1.2108	0.2117	0.2387	0.6663	1.22	1.38	3.85
10	1.6187	0.214	0.483	0.7983	0.93	2.09	3.45