Noise signals resolution in the random inhomogeneities presence of oceanic environment

The formation of a hologram of noise signals in a randomly inhomogeneous oceanic environment is discussed. It is shown that a hologram of signals from several sources appears predominantly as a sum of holograms of signals formed by undisturbed and disturbed fields. A method for clearing a hologram from disturbed fields is described. Criteria for signal resolution are proposed. The results of numerical modeling are presented for resolving two signals and estimating the parameters of sources against the background of intense internal waves causing horizontal refraction of sound field modes.