Adaptive moving average pair (MAMA, FAMA) whose smoothing rate tracks the instantaneous-phase rate of change.
Upper bound on the smoothing constant, applied when the phase advances quickly.
Lower bound on the smoothing constant, applied when the phase stalls.
https://screamer.readthedocs.io/en/latest/ for the Python reference and full details.
Adaptive moving average pair (MAMA, FAMA) whose smoothing rate tracks the instantaneous-phase rate of change.