Let x(n) be the sequence with the pole-zero plot . Sketch the pole –zero plot for y(n)= (1/2)n x(n)
Let x(n) be the sequence with the pole-zero plot . Sketch the pole –zero plot for...
4.27) For the following system: 1/4 x(n) a. Find A, b, g, d. b. Find H(z), and the pole/zero plot. c. Sketch H() 4.27) For the following system: 1/4 x(n) a. Find A, b, g, d. b. Find H(z), and the pole/zero plot. c. Sketch H()
I (K Pole-Zero Plot #1 Pole-Eero Plot 15 L. Pole-Zero Plot IMI 4z1 15 Prde-Zero Plot #5 Pole-Zero Plat #6 Tine Index (n) Problem P-10.20. Match a pole-zero plot (1-6) to each of the impulse response plots (J-N) shown above (Figure P-10.20 from p. 464) Note: Beach Board causes the magnitude Impulse Response Plot number order to be in random order Pole-Zero Plot #1 Pole-Zero Plot #2 Pole-Zero Plot #3 1, hin] Plot (N) hin] Plot (K) h[n] Plot (M)...
3. (Oppenheim Willsky) Determine the z-transform for each of the following sequences. Sketch the pole-zero plot and indicate the region of convergence. Indicate whether or not the discrete-time Fourier transform of the sequence exists. (a) 8[n +5] (b) (-1)"u[n] (c) (-3)”u[-n – 2] (d) 27u[n] +(4)”u[n – 1]
The pole -zero diagram in figure 1 corresponds to the Z-transform [X(z)] of a causal sequence (xIn]). Sketch the pole-zero diagram of Y(z), where y[n]-x-n5]. Also, determine the region of convergence for Y (z). 2. a. (15 Marks) rm z-plane Figure 1 b. Discuss any six applications of Multirate Digital Signal processing or explain the need of Multirate Signal Processing with suitable Example. (10 Marks)
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?
no need for pole-zero plot 7. Determine the system function, magnitude response, and phase response of the fol- lowing systems and use the pole-zero pattern to explain the shape of their magnitude response (a) y[n] = 1(x(n]-x(n-1), ln -2
Find Z tranform and ROC; Sketch pole zero x[n]=(2/3)^n u[-n-1]+(-(1/3))^n u[n]
5. The diagram function Ha) oco.s on the let shows the pole-zero plot of the transfer a DT LTI systen Assume that the pole is at a dista the from theorigin and that the zero not at the origin is a origin. a) Write a mathematical expressio n for the tr the impulse response of the sy from t , inction of the system. b) Obtain assuming that it is UNSTABLE (15 pts.)
please answer them indetail. thanks 4. Let x(n) be a causal sequence. a) b) what conclusion can you draw about the value of its z-transform x(z) at z 00, Use the result in part (a) to check which of the following transforms cannot be associated with a causal sequence (z-1* (z (1-^2-1)- i, x(z) = 321) iii, x(z) = A causal pole-zero system is BIBO stable if its poles are inside the unit circle. Consider now a pole- zero system...
1. Let {X[k]}K=o be the N = 8-point DFT of the real-valued sequence x[n] = [1, 2, 3, 4]. (a) Let Y[k] = X[k]ejak + X[<k – 4 >8] be the N = 8-point DFT of a sequence y[n]. Compute y[n]. Note: Do NOT compute X[k]. (b) Let Y[k] = X*[k] be the DFT of the sequence y[n], where * denotes the conjugate. Compute the sequence y[n]. Note: Do NOT compute X[k].