Study on the Attenuation Characteristics of Seismic Wave Energy Induced by Underwater Drilling and Blasting

Figure 5

Time-frequency spectrum for each reconstructed signal: (a) as1, (b) a8, (c) d8, (d) d7, (e) d6, (f) d5, (g) d4, (h) d3, (i) d2, and (j) d1.

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