%0 Journal Article %T Single and Multiple Continuous-Wave Interference Suppression Using Adaptive IIR Notch Filters Based on Direct-Form Structure in a QPSK Communication System %A El Gebali, Abdelrahman %A Landry, René Jr %J Applied Sciences %V 12 %N 4 %@ 2076-3417 %D 2022-02-19 %I Multidisciplinary Digital Publishing Institute %~ DeepDyve