If a three stage lattice filter with coefficients K1=1/4, K2=1/2 K3=1/3, then what are the FIR filter coefficients for the direct form structure?
A. (1,8/24,5/8,1/3)
B. (1,5/8,13/24,1/3)
C. (1/4,13/24,5/8,1/3)
D. (1,13/24,5/8,1/3)
Answer:A
If a three stage lattice filter with coefficients K1=1/4, K2=1/2 K3=1/3, then what are the FIR filter coefficients for the direct form structure?
A. (1,8/24,5/8,1/3) B. (1,5/8,13/24,1/3) C. (1/4,13/24,5/8,1/3) D. (1,13/24,5/8,1/3)
Explanation: We get the output from the third stage lattice filter as