A Synthetic Solution for Identification and Extraction of the Effective Microseismic Wave Component Using Decomposition on Time, Frequency, and Wavelet Coefficient Domains

Table 3

Acceptable frequency domain and variation of the dominant parameters of the extracted effective microseismic waves in all of the monitoring channels.

Wave group	Reserved frequency domain	Dominant frequency	Wave energy	SNR	Energy reservation ratio
	(Hz)	(Hz)	(J)	(dB)	(%)
sw1	0~196.7	93.95	1705.43	11.262	91.541
sw2	0~107.5	36.27	17948.46	10.728	88.327
sw3	0~151.1	10.85	162.74	9.782	93.374
sw4	0~67.1	21.70	47.91	10.692	90.198
sw5	0~54.3	17.70	8.42	12.014	86.136
sw6	0~134.2	23.42	78.33	10.962	91.355
sw7	0~121.4	13.42	32.78	9.488	92.027
sw8	0~38.3	16.85	2.79	10.112	88.935
sw9	0~144.2	5.71	6.12	10.771	93.618
sw10	0~94.5	7.42	26.43	12.236	86.194
sw11	0~45.7	11.71	9.39	11.543	91.382
sw12	0~41.4	17.13	3.51	10.797	92.317