1
The magnitude function |H(ω)| can be zero at some frequencies, but it cannot be zero over any finite band of frequencies.
Answer:True
Answer:True
Answer:h(n)=2he(n)u(n)-he(0)δ(n), n ≥ 0
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Answer:h(n)=2ho(n)u(n)+h(0)δ(n), n ≥ 1
Answer:HR(ω)+j HI(ω)
Answer:True
Answer:πδ(ω)+0.5-j0.5cot(ω/2)
Answer:False
Answer:True
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