FIELD: hydro acoustics.
SUBSTANCE: present invention relates to hydroacoustics and can be used in hydrographic studies. Disclosed device consists of two pairs of T-shaped first and second receiving antennas of first and second radiating antennas four-channel receiving unit, 2N-channel generator device, a four-channel digital signal processing unit, a control unit, a correction unit, a storage unit, an indicator, a unit for calculating time delays. Inputs of radiating antennas are connected to outputs of 2N-channel generator device, unit for calculating time delays has two-way communication with generator device, outputs of receiving antennae are connected to inputs of four-channel receiving unit, outputs of which are connected to corresponding inputs of digital signal processing unit. Output of the digital signal processing unit is connected to inputs of the storage unit and indicator, the output of the correction calculation unit is connected to the input of the digital signal processing unit. Output of control unit is connected to inputs of four-channel receiving unit and 2N-channel generator, correction calculation unit, four-channel digital signal processing unit, storage unit and indicator. Such design of the device for bottom shooting allows increasing the shooting speed.
EFFECT: high rate of capturing the bottom of the water area while reducing weight and size characteristics of the disclosed device.
1 cl, 2 dwg
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