Z Transform - Lecture 15

Z Transform - Lecture 15

Z Transform - Analysis of DT LTI system using Z Transform-
Convolution Property -
Problem--
1. The output of a DT LTI system is found to be y(n)=2(1/3)^n (n)
When the input x(n)=u(n). Find the transfer function?
2. We have a causal discrete-time LTI system; input x and output y are related by:
y(n)-(1/3)y(n-1)=x(n)
Find the system's transfer function H(z) and Impulse Response h(n)?
Lecture 14 Practice Question: Solution
1.Using Z transform, find the convolution of two sequences.
x1 (n)={1,1,1,1} and x2 (n)={1,1,1}

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