
31. Obtain the inverse z-transform of X(2)= (722 +32 +6) Answer: x[n]=
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10.33 Inverse Z-transform- Use symbolic MATLAB to find the inverse Z-transform of 2 -z 21 +0.25z(i +0.5z1 and determine x[n] as n → oo. 1080 Answers: xfn] = [-3(-0.25)" + 4(-0.5)"]u[n]
10.33 Inverse Z-transform- Use symbolic MATLAB to find the inverse Z-transform of 2 -z 21 +0.25z(i +0.5z1 and determine x[n] as n → oo. 1080 Answers: xfn] = [-3(-0.25)" + 4(-0.5)"]u[n]
Using the z-Transform Tables, find the inverse
z-Transform of the following function, this is, find
y[n]
find the inverse z-Transform of the following function, this is, find y[n] z Y(z) = 2 + 1.5z + + 0.25 z z+1 (2-1)2 (2+0.5)
Find the inverse z-transform x[n] of X(z) = (-2z+6z^2)/(-z^2+2z^3) of the first 4 values starting from 0 (z is a complex variable)
4. Problem: By the partial fraction expansion method, obtain the inverse z transform of *(z)=1 (1 - z-')(1 - 0.22-1)
Problem # 4: Given 3 G(z) 0.22-1) Find: 1. Obtain the inverse z transform
inverse z-transform
(2 Marks / Markah) 2. By using partial-fraction expansion, solve the inverse z-transform of the following functions: [Dengan menggunakan kembangan pecahan separa, selesaikan jelmaan-2 songsang pada fungsi-fungsi berikut: (1) X(z) = z(z + 3)(z+5) (z-0.4)(z-0.5)(z-0.8) (3 Marks / Markah) X(z) z! 3 - 4z"+z ; ROC; 121 > 1 (3 Marks / Markah) (iii) X(E)= (1-3 1-2 (1 - 2:') - :') (3 Marks / Markah) 2+3:-) (iv) X() = (-X (3 Marks / Markah)
[2 Marks] 18. If (z) and u[n]-cos(2n)지지 the correct value of V(z) will be (2z-1) js 2 2zei5-1 2ze-15-1 2 2zel5-12ze-15-1 19. Determine the Z-transform of x[n]. [2 Marks each] n] sinl0n)u[n]0.3" n] 0.5" cos (10n)u[n] In]-(0.3) u[/n] The transfer function of a discrete time system is H(z)- 20. 1+2z3z Use the inverse Z-transform to determine the system difference equation [4 Marks] 21. An LTI system is described by the following input/output difference equation: yln] 0.12yln x[n] (assume zero initial...
find the inverse z transform
X(z) = 1-2-3 with [2]<1
2-If X1(z)Find the Z-Transform of X2[x]-X, ln +3]u[n] Find theZ-Transform of X211 ( I-hind the Inverse Z-transform of given function. a) R(Z) =- (1-e") (-(z-e-ar) 3 +282+8-1 b) F (Z) = (2-2)2(2+2) Find the Z-Transform of X2 [x] = X1 [n + 3] u [n] 3- Solve the difference equation 3 4 With initial conditions y-1] 1 and yl-2] 3 4- Let the step response of a linear, time-invariant, causal system be 72 3) ulnl 15 3 a) Find the...
10. Find the ROC of the Z-transform of x[n] (a) [:l> (6) 31 (0)1> (a) not (a), not (b) and not () 11. Calculate the DFT of the following discrete-time signal with: x[0] = 2, x[1] = -1, x[2] = 3, x[3] = -2. The value of the DFT required for this question is X(0). (a) 2 + j3. (b) 2-4, (c) 6, (d) not (a), not (b) and not e