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Self similarity property of acoustic data acquired in shallow water environment

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Figure

Figure 1 Actual hydrophone line array debugged in processingworkshop. Hydrophones were distributed uniformly on the towrope laid on the ground
Figure 3 Original waveform signal of CH1 of the hydrophone in Qilihai Reservoir. Left for a point-like sound source excitation of directwave and the reflected echo pulses.
Figure 4 Power spectrum of CH1 of the hydrophone line array in Qilihai Reservoir.
Figure 7 Variance-time plots from CH1–CH4 of the hydrophone line array. The figure shows that in the shallow water environment,acoustic signal of each channel has good self-similarity

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