A New Criterion for the Design of Variable Fractional-Delay FIR Digital Filters. - Jong-Jy Shyu; Soo-Chang Pei; Cheng-Han Chan; Yun-Da Huang; Shih-Hsin Lin (IEEE Trans. Circuits Syst. I Regul. Pap., 2010)

Design of variable comb filter using FIR variable fractional delay element. - Soo-Chang Pei; Yun-Da Huang; Shih-Hsin Lin; Jong-Jy Shyu (Signal Process., 2012)