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In this paper, we address the problem of semi-blind parameter estimation of linear systems driven by chaotic signal. We propose an on-line expectation maximization (EM) based extended fixed-lag Kalman smoothing (EM-EFLKS) estimator to simultaneously estimate parameters of system along with the chaotic signal. The performance of the proposed estimator is compared to its offline counterpart, EM-EKS...
In through-the-wall radar applications, multipath effects due to room reverberations result in various undesirable phenomena including target-shift, image defocusing and false alarms. Under the sparse channel assumption proved by finite difference time domain simulations, this paper proposes a blind multipath channel estimation approach by extending the blind compressive sensing dictionary learning...
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