Aerospace Instrument-Making Annotation << Back Second-order J-adaptive filter for estimation of state vector of dynamic system and for identification of the system parameters with local model representing parameters of special view V.M. Terentyev The work represents derivation of second-order J-adaptive filter equation for estimation of state vector of dynamic system and for identification of parameter connected by differential equations describing their modes of behavior in moving coordinates. Keywords: Dynamic system, estimation, identification, J-adaptive filter, coordinates. E-mail: kbpa@san.ru