Electronics and Communication Engineering - Signals and Systems - Discussion

Discussion Forum : Signals and Systems - Section 2 (Q.No. 44)
44.
The z transform of sequence x[n] = {2, 4, 3, 2}
2z-1 + 4z-2 + 3 + 2z+1
2z-1 + 3 + 4z+1 + + 2z+2
2z+1 + 3z-1 + 4z-2 + 2z-3
3 + 2z-1 + 4z-2 + 2z-1
Answer: Option
Explanation:

n(z) = 2z+2 + 4z+1 + 3 + 2z-1 or 2z-1 + 3 + 4z+1 + 2z+2

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Discussion:
2 comments Page 1 of 1.

Arnab said:   8 years ago
2 + 4Z(-1) + 3Z(-2) + 2Z(-3).

Devyanee Chandra said:   9 years ago
Why 3 is considered to be at n=0? Here arrow is not specified so 2 should be considered to be at n=0.

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