METHOD OF ESTIMATING FULL PROFILE OF VERTICAL DISTRIBUTION OF SOUND SPEED Russian patent published in 2013 - IPC G01V1/38 G01H5/00 

FIELD: physics.

SUBSTANCE: invention can be used in estimating the full profile of vertical distribution of sound speed from a fragment thereof measured in a certain depth range. The method involves completing the full profile of vertical distribution of sound speed based on the current measurement of the vertical distribution of sound speed using a priori information from a data base of many years of measurements of vertical distribution of sound speed, presented in statistical form. For the measured fragment of the vertical distribution of sound speed, the most likely a priori vertical distribution of sound speed is found from the data base, after which points of the vertical distribution of sound speed are completed for depths higher than or below the measurement limit of the vertical distribution of sound speed. The a priori profile is corrected based on the current depth of the navigation area and, if necessary, linear interpolation of reference points on the depths of interest.

EFFECT: high reliability of hydrological models, high accuracy of solving hydroacoustic prediction tasks.

7 cl, 1 dwg