MCQ Practice Question

The DTFT of delta[n] is?

  • A0
  • B1
  • Ce^(-jω)
  • D2πdelta(ω) only
Report an error
Correct Answer: B. 1
Explanation: By definition, the only nonzero sequence sample is at n=0, so X(e^(jω))=1.
Reference: Standard signals and systems: dtft
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