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Let x[n] be a signal whose rational z-transform X(z) contains a pole at z = 112. Given
Chapter 10, Problem 10.8(choose chapter or problem)
QUESTION:
Let x[n] be a signal whose rational z-transform X(z) contains a pole at z = 112. Given that x 1 [n] ~ (U x[n] is absolutely summable and ( 1 )fl x2[n] = S x[n] is not absolutely summable, determine whether x[n] is left sided, right sided, or two sided.
Questions & Answers
QUESTION:
Let x[n] be a signal whose rational z-transform X(z) contains a pole at z = 112. Given that x 1 [n] ~ (U x[n] is absolutely summable and ( 1 )fl x2[n] = S x[n] is not absolutely summable, determine whether x[n] is left sided, right sided, or two sided.
ANSWER:Step 1 of 4
Letting be the z-transform of and the ROC of be .
Recalling the scaling property of -transform,