Comb Filters This filter has a peak magnitude at=0 andM-1 notches at o=2兀/M1≤C≤M-1 The corresponding comb filter has a transfer function G(=) 1--M M(1-z whose magnitude has l peaks at o=2k/L 0≤k≤L-1andL(M-1) notches at 0=2k/LM1≤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)