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


Question :   What is the inverse of the system with impulse response h(n)= δ(n)-1/2 δ(n-1)?
1. (1/2)nu(n)
2. -(1/2)nu(-n-1)
3. (1/2)nu(n) & -(1/2)nu(-n-1)
4. None of the mentioned
Answer :   3 - (1/2)nu(n) & -(1/2)nu(-n-1)  

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