TY JOUR TI GROUP-THEORETIC REPRESENTATION OF SIGNALS AND THE PROSPECTS FOR ITS USE KW signal KW structure KW conversion KW group KW idea KW detection KW kinematics KW function JO National Security and Strategic Planning AU SAPRYKIN, A.V. AU BUTYRSKIY, E.Y. AU SHKLYARUK, O.N. PY 2017 IS 2017 PB Strategy of the Future