Abstract and keywords
Abstract (English):
An algorithm for restoring the bottom topography profile from sonar display for various elements of a complex underwater topography is proposed. A sonar profile representation in the form of a second-order polynomial equation is given. Analytical expressions for restoring various forms of reflecting the surface are obtained considering hydroacoustic measurement results. Applying the described restoration algorithm is analysed on the example of a complex profile of the bottom topography. The article shows that when certain values of echo distances are reached, relief distortions occur with a violation of the profile geometric similarity.

echo sounder, distortion, severe topography

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