Chirp signal detection using the Duffing oscillator. - Carlos R. Bermudez-Gómez; Rogerio A. Enríquez-Caldera; Jorge Martínez-Carballido (CONIELECOMP, 2012)

High resolution time-frequency representation for chirp signals using an adaptive system based on duffing oscillators. - Antonio H. Costa; Rogerio A. Enríquez-Caldera; Maribel Tello-Bello; Carlos R. Bermudez-Gómez (Digit. Signal Process., 2016)