FIELD: hydro acoustics.
SUBSTANCE: invention relates to hydro acoustics, namely to devices for recording acoustic signals and can be used for detection, location and classification of moving underwater objects. Buoy comprises series-connected hydroacoustic antenna (hydrophone), preamplifier, measuring unit on microcontroller connected to input of output preamplifier. In its composition additionally introduced is a sound-underwater communication unit connected to the measuring unit through a serial interface and including a flash memory chip FlashROM, containing counts of a signal from the target, a microchip of an Ethernet adapter, designed to bring transmitted over the network data to the frame format Ethernet, and a modem, which connects the buoy to the sound-local local area network. Buoy structure is simplified.
EFFECT: communication between separate RHBs in a barrier by their combination into a sound-local local area network is provided.
1 cl, 3 dwg
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