Frequency Analysis of Signals and Systems on Digital Signal Processing related Questions and Answers


Question :   If X(ω) is the Fourier transform of the signal x(n), then what is the Fourier transform of the signal x(n-k)?
1. ejωk. X(-ω)
2. ejωk. X(ω)
3. e-jωk. X(-ω)
4. e-jωk. X(ω)
Answer :   4 - e-jωk. X(ω)  

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