Discussion :: Exam Questions Paper
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A system with transfer function H(z) has impulse response h(.) defined as h(2) = 1, h(3) = -1 and h(k) = 0 otherwise. Consider the following statements
S1: H(z) is a low pass filter
S2: H(z) is a FIR filter.
Which of the following is correct?
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A.
Only S2 is true
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B.
Both S1 and S2 are false
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C.
Both S1 and S2 are true, and S2 is a reason for S1
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D.
Both S1 and S2 are true, but S2 is not a reason for S1
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Answer : Option A
Explanation :
H(ejω) = e-j2ω - e-j3ω. It is FIR high pass filter
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