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please help with all parts a. b. c. d. What are the conditions on L1 and...

please help with all parts

a.

What are the conditions on L1 and 12 so that h(I) = 1 [u(L+1) -ul- 12) represents (i) a causal system (ii) a stable system.

b.

[n] +0.15.(n-5). What is the impulse response Suppose an LTI discrete system is described by y[n] = of the system h[n]? Ans:

c.

Given a difference equation y[n] - y(n - 1] +0.24y[n - 2) = 0.8. Obtain a solution y[n] that also satisfies y0 = 23, y1 = 12

d.

- A discrete-time system is characterized by y[n] - y[n – 1] +0.24y[n - 2) = 3.[n] - 2.22 [n – 1]. Assume zero initial condit

What are the conditions on L1 and 12 so that h(I) = 1 [u(L+1) -ul- 12) represents (i) a causal system (ii) a stable system.
[n] +0.15.(n-5). What is the impulse response Suppose an LTI discrete system is described by y[n] = of the system h[n]? Ans: -
Given a difference equation y[n] - y(n - 1] +0.24y[n - 2) = 0.8". Obtain a solution y[n] that also satisfies y0 = 23, y1 = 12.2.
- A discrete-time system is characterized by y[n] - y[n – 1] +0.24y[n - 2) = 3.[n] - 2.22 [n – 1]. Assume zero initial conditions. Find the impulse and step responses for 0 <n<1 by recursive substitution.
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Answer #1

(a). h(t) = t[u(t+t,)-alt-to) i). for causal system, h1+) = 0 ; tlo qnit) - -- 7 x -ti - so, to satisfy the condition, at, a

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