FIELD: hydroacoustics.
SUBSTANCE: invention relates to the field of hydroacoustics, namely to hydroacoustic complexes (HAC), equipped with passive and active modes of operation, and designed to detect underwater and surface objects. To classify the target, the active mode of operation of the HAC is involved, which allows, immediately after detecting an object in a passive mode, to measure the distance to the detected object and, with its use, make a decision on the class of the object.
EFFECT: increasing the likelihood of classification at the maximum detection distance of a noisy object.
1 cl, 1 dwg
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