Abstract
Researchers in the field of modern hydroacoustics frequently encounter such problems as interference and noise in communication channels. Multipath propagation is an inevitable hydroacoustic communication problem arising in a sound channel due to reflections from the water surface and seabed. In general, this may decrease the overall communication quality. As a rule, noise cannot be completely eliminated, although its influence can be minimized. In this article, we describe a method for equalizing the hydroacoustic transmission channel using the Gauss–Markov theorem. This method can be used for reducing the multipath propagation effect and obtaining an unbiased estimate with minimal variance.
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