FIELD: hydro-acoustics, possible use in fishing industry for confusing and disorienting sea mammals.
SUBSTANCE: method includes masking low frequency hydro-acoustic signals of fishing ship selecting device, at least one false supporting buoy with or without catching implement is mounted, which emits high frequency hydro-acoustic signals, connected to mark or marking buoy, which emit light signals, decrease noticeability of fishing ship for sea mammals of working fishing implements, decrease noticeability of fishing ship for sea mammals during picking up working catching implements due to decreasing broadband hydrodynamic signals of steering device of fishing ship and decrease of broadband hydrodynamic signals of driving shaft of fishing ship, light signals of fishing ship are disabled, broadband hydro-acoustic signals of picked up fishing implement are masked by emitting broadband hydro-acoustic signals by hydro-acoustic transformer, hydro-acoustic signals of ultrasound frequencies spectrum are emitted by several hydro-acoustic transformers.
EFFECT: improved efficiency of process for controlling behavior of sea mammals.
13 dwg, 2 tbl
