Question :
By means of the DFT and IDFT, determine the response of the FIR filter with impulse response h(n)={1,2,3} to the input sequence x(n)={1,2,2,1}?
1. {1,4,11,9,8,3}
2. {1,4,9,11,8,3}
3. {1,4,9,11,3,8}
4. {1,4,9,3,8,11}
Answer :
2 - {1,4,9,11,8,3}
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