Instruments and Systems: Monitoring, Control, and Diagnostics Annotation << Back Algorithm for detecting dangerous situations on the basis of methods of the theory of systems with random Hopping structure V.V. ALEKSEEV, E.S. KOSINOV, D.P. SHVETS Methods of theory of systems with random hopping structure an approximate classification of dangerous situations on protected object recognition algorithm first synthesized and dangerous situations. Keywords: theory of systems, frequency hopping pattern. Contacts: E-mail: vvalex1961@mail.ru Pp. 11-14.