Fig. 7.
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Spectral characteristics of the striae and envelope in the frequency range 800–450 kHz. Panel (a) shows the time profiles of the SE and their envelope in the given frequency range. The red dotted Gaussian curves represent the two-peak morphology of the 525 kHz frequency band. Panel (b) shows the amplitude of the striae and envelope presented in panel (a). The triangles and circles represent the peak amplitude of the envelope and stria elements, respectively.
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