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The efficiency of a multidirectional combined sound receiver is analyzed, in which several pairs of orthogonal channels with a common phase center, uniformly rotated relative to each other, are used to register the horizontal components of the oscillatory velocity. Mathematical models of the receiver with two pairs of orthogonal channels offset by 45 degrees and with three pairs spaced by 30 degrees are constructed. A bearing calculation model for such a system is presented. It is shown that when processing data together, it is possible to reduce the angular unevenness of the bearing error by increasing the number of measurements and dividing the angular range of observation into many sectors.
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Matvienko et al. (2025) studied this question.
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