Which of the following condition should the unit sample response of a FIR filter satisfy to have a linear phase?
A. h(M-1-n) n=0,1,2…M-1
B. ±h(M-1-n) n=0,1,2…M-1
C. -h(M-1-n) n=0,1,2…M-1
D. None of the mentioned
Answer:A
Which of the following condition should the unit sample response of a FIR filter satisfy to have a linear phase?
A. h(M-1-n) n=0,1,2…M-1 B. ±h(M-1-n) n=0,1,2…M-1 C. -h(M-1-n) n=0,1,2…M-1 D. None of the mentioned
Explanation: An FIR filter has an linear phase if its unit sample response satisfies the condition