TY JOUR TI INFLUENCE OF SPECTRUM FILTERING NOISE SIGNAL ON THE EFFECTIVENESS OF ITS RECOGNITION OF TURSIOPS TRUNCATES DOLPHIN KW dolphin KW noise signal KW signal KW time KW frequency KW spectrum JO National Security and Strategic Planning AU ZAYTSEVA, K.A. AU AKHI, A.V. AU KRIVCHENKO, A.I. AU BUTYRSKIY, E.Y. AU KOROLEV, V.I. PY 2017 IS 2017 PB Strategy of the Future