Software for processing hydroacoustic signals, modeling and remote evaluation of the coordinates of the triggering of underwater pulsed sources

Abstract

The problem of modeling and remote evaluation of the triggering coordinates of an underwater pulse source is considered on the basis of the determination of the timing of the arrival of signals on the hydrophones of the beacon at spatially separated points with known coordinates. Formulas for calculating the coordinates of underwater pulse sources for the analytical method and the method for minimizing the functional are given.
Algorithms of the embedded software for radio beacons for automatic processing of sonar signals and data transmission to the control panel are described. The algorithms of automated estimation of the coordinates of the operation of single and group underwater pulsed sources, taking into account the requirements for real-time operation, are presented in the software of the control panel.
A description of software tools and algorithms for modeling the signal propagation from a pulsed source for the purpose of determining the parameters and permissible range of the measuring equipment during the preparation of the experiment is given. The questions of the optimal location of reception points for reducing the influence of errors in determining the radio beacon's own coordinates on the results of calculations are considered. The results of hydrological measurements and full-scale experiments on the evaluation of coordinates and depths of operation of underwater pulsed sources in the conditions of the Ladoga Lake and Black Sea waters are presented.