FIELD: radio engineering.
SUBSTANCE: method involves arrangement of hydroacoustic equipment in water environment for obtaining the picture of the visible part of the investigated object, production of expositions which are related to topoplans of upper ice surface; obtaining the picture that is visualised on the display in polar coordinate system in the form of graphical files of bmp formats. Removal is performed from several horizons. Hydroacoustic equipment is arranged on the controlled movable sea object, receiving-transmitting device is arranged on traversing platform having three freedom degrees. Picture is obtained in three-dimensional space with visualisation of total volume of ice cover and with division of volumes of ice cover into sectors which are distinguished as per their frequency characteristics. There measured is the size of those sectors and distance between ice field elements located at the distances which are shorter than the range of sounding pulse.
EFFECT: improving reliability of removal of ice cover lower surface.
4 dwg
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