Q327
Which one of the following digital filters does have a linear phase response?
A.
y(n) + y(n - 1) = x(n) - x(n - 1)
B.
y(n) = [3x(n) + 2x(n - 1) + 3x(n - 2)]
C.
y(n) = [x(n) + 2x(n - 1) + 3x(n - 2)]
D.
y(n) = [x(n) + 2x(n - 1) + x(n - 2)]
AnswerAnswer: Option D
Solution
Answer: Option D
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