12 radians/sample radians/sample Question 12 2 pts Consider the Z-Transform X(2)written below which has already be...
For x[n]-(0.3). 1. a. (2 pts) Find the z-transform, X(z b. (3 pts) Sketch the pole-zero plot. c. (3 pts) Find the region of convergence of the transform. Sketch it in the z-plane. d. (3 pts) Use your answer in part a to write down the DTFT of x,[n]=(0.3)"u[n]. Why is it necessary to multiply by the unit step function to get the DTFT?
Problem 5. Determine the z-transform of the signal x[n] :=(-1)"nu[n]. You may use already known z-transforms, such as those listed in Table 5.1 (page 492) of the textbook, and properties of the z-transform. Moreover, notice that -1 = ejt. TABLE 5.1 Select (Unilateral) Z-Transform Pairs x[n] X[z] 8[n-k] ? 2-1 ոս[ո] (z - 1) z(z+1) (2-1)3 nºu[n] nu[n] z(z? + 4z +1) (2-1) Yºu[n] yn-u[n- 1] z-y 12 ny"u[n] (z-7) yz(z+y) (z-7)3 ny"u[n] n(n - 1)(n-2) (n-m+1) ym! lyl" cos...
True False Question 9 Consider the discrete-time signal a[k] with Z-transform, 2+3z-1 X(z) = and ROC /z/ > . Use long-division to find the signal value x [2]. You find that z[2] = O-1 None of the listed answers 0.5 2.
1.) (12 pts.) Consider the vector field F(x, y, z) = (3x” 2 + 3 + yzbi – (22 - 1z)] + (23 – 2yz + 2 + xy). Find a scalar function f, which has a gradient vector equal to F, or determine that this is impossible,
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...
Compute inverse z-transform of X(z) = (1 + 2z-1 + z-2)/ (1 - z-1 + 0.3561z-2) by expanding into a power series using long division. You can stop at the first four terms (Basically, get x(0), x(1), x(2) and x(3)). [10 points].
D Question 11 12 pts to Consider the vector field F (x, y, z) =< 2x – yz, 2y – az,2z – xy>. a) (3) Is this vector field conservative? Justify your answer. b) (9) Find the amount of work done by this vector field in moving a particle along the curve (t) =< 3cost, cos’t, cos” (2t) > from t = 0 tot = 1
need help with second question, please include all steps. 2. Consider a z-transform given by 22 -2 23 322 42 +1 a) Using power-series expansion techniques, determine the first three (closest to n 0 non-zero (b) Using power-series expansion techniques, determine the first three (closest to n-0) non-zero (c) Suppose the ROC of X(2) has the form k2 2 k Devise a power-series expansion based terms of r n assuming the ROC of X() has form 2l < ki. What...
Question 12 Consider the following system of linear equations (x-y +z = -2 x – 3y - 2 = -1 3x +2y = -8 Which of the following method can be used to solve the above system? a) Gaussian climination b) Cramer's Rule c) Inverse Matrix d) All of the mentioned Your answer 0 del Bad Ps hp
Problem #1. Topics: Z Transform Find the Z transform of: x[n]=-(0.9 )n-2u-n+5] X(Z) Problem #2. Topics: Filter Design, Effective Time Constant Design a causal 2nd order, normalized, stable Peak Filter centered at fo 1000Hz. Use only two conjugate poles and two zeros at the origin. The system is to be sampled at Fs- 8000Hz. The duration of the transient should be as close as possible to teft 7.5 ms. The transient is assumed to end when the largest pole elevated...