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The problem of state estimation for discrete systems with parameters which may be switching within a finite set of values is considered. In the general case it is shown that the optimal estimator requires a bank of elemental estimators with its number growing exponentially with time. For the Markov parameter case, it is found that the optimal estimator requires only N2 elemental estimators where N is the number of possible parameter values.
Aerospace and Electronic Systems, IEEE Transactions on (Volume:AES-14 , Issue: 3 )
Date of Publication: May 1978