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Mathematical modeling of space time variation in acoustic transmission and scattering from schools of swim bladder fish

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Figure 2.4 shows a phase analysis for equations (2.7) to (2.9). Two identical fish lying along an axis between the source and receiver, with s = L, were considered
Figure 2.5(b) indicates the projections on the xz plane of the randomized individual fish locations within a spherical ensemble of 500 fish
Figure 2.6 shows the frequency variation of the normalized absolute scattering am- am-plitude evaluated in the forward direction (obtained by dividing the absolute scattering amplitude |f s | for the whole school by the number of fish) for spherical school
Figure 2.13 shows the variation of f 0 0 /f 0 as a function of s (scaled in units of L), for schools located at 25 m, 60 m and 65 m depth
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