Abstract
It is shown that the use of the equivalent source method allows one to reconstruct the sound field excited by an acoustic radiator in free space from the measurements of the sound field excited by this radiator in a tank with reflecting boundaries. The key assumption underlying the proposed approach is that the same set of monopoles with the same strengths can reproduce the field of the radiator both in free space and in the tank. The monopole strengths are reconstructed from the measurements in the tank, and the field in free space is then calculated using the known Green's function. The feasibility of the approach is demonstrated in a tank experiment.
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