Minimax robust time-frequency filters for nonstationary signal estimation
Gerald Matz, Franz Hlawatsch · 1999
We introduce minimax robust time-varying Wiener filters and show a result that facilitates their calculation. Reformulation in the time-frequency domain yields simple closed-form expressions of minimax robust time-frequency Wiener filters based on three different uncertainty models. For one of these filters, an efficient implementation using the multi-window Gabor transform is proposed.