Q152
For an all-pass system H ( z ) = ( z^ - 1 - b ) ( 1 - az^ - 1 ), where | H(e-jω) | = 1, for all ω. If Re(a) ≠ 0, lm(a) ≠ 0, then b equals
For an all-pass system where | H(e-jω) | = 1, for all ω. If Re(a) ≠ 0, lm(a) ≠ 0, then b equals
A.
a
B.
a∗
AnswerC.
D.
Answer: Option B
Solution
Answer: Option B
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