Comb Filters This filter has a peak magnitude at o=0 and dM-1 notches at o=2/M1≤≤M The corresponding comb filter has a transfer function 1--LM G(z)=M-L whose magnitude has l peaks at o=2Tk/L 0≤k≤L-1andL(M-1) notches at 0=2兀MLM,1≤k≤L(M-1) Copyright C 2001, S K Mitra7 Copyright © 2001, S. K. Mitra Comb Filters • This filter has a peak magnitude at w = 0, and notches at , • The corresponding comb filter has a transfer function whose magnitude has L peaks at , and notches at , M −1 w = 2p / M 1   M −1 ( ) ( ) L LM M z z G z − − − − = 1 1 w = 2pk/L 0  k  L −1 L(M −1) w= 2pk/LM 1 k  L(M −1)