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Figure 2


Fig. 2. (A) Waveform of a regular click from an untagged Blainville's beaked whale, as recorded by the DTAG. (B) Normalized power spectrum of the same click (solid line) and of an echo from a target ensonified by a regular click from the tagged whale (broken line). The dotted line is the system and ambient noise floor. (C) Time-frequency (Wigner) distribution of the click in A.