Discrete Time Signals and Systems on Digital Signal Processing related Questions and Answers


Question :   What is the condition for a signal x(n)=Brn where r=eαT to be called as an decaying exponential signal?
1. 0<r<∞
2. 0<r<1
3. r>1
4. r<0
Answer :   2 - 0<r<1  

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