Research on the Attenuation Characteristics of AE Signals of Marble and Granite Stone

Figure 12

The energy distribution of acoustic emission signal frequency band of plate-shaped rock. (a) G3761-L (00). (b) G3761-L (450). (c) G3761-L (900). (d) GAM-L (00). (e) GAM-L (450). (f) GAM-L (900).

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