In paper two approaches to identification of parameters fluctuations in complex systems with channel structure are considered. The first approach is based on use of algebra of predicate operations. The second approach uses threshold functions for processing multivariate and multiple-valued parameters of system.
"Alhebrolohycheskye sredstva ydentyfykatsyy neshtatnыkh sytuatsyi" ,
Scientific Works of Kharkiv National Air Force University,