
3. Use the geometric determination of the Fourier transform along the jw-axis from the poles and...
a continuous time causal LTI system has a transfer function: H(s)=(s+3)/(s^2 +3s +2) a) find the poles and zeros b) indicate the poles and the zeros on the s-plane indicate the region of convergence (ROC) c) write the differential equation of the system. d) determine the gain of the system at dc (ie the transfer function at w=0) e) is the system described by H(s) stable? explain f) for the system described by H(s), does the Fourier transform H(jw) exist?...
Laplace Transform
Problem 3. (15 points) Given f(t) = 4e-2tu(t) + 29u(-t) a) Using the Laplace Transform table 9.2 find the bilinear Laplace transform, F($) and sketch the region of convergence (ROC) in the s-plane showing all poles. State the ROC as an inequality. b) Another function is added so that fa(t) = 4e-2tu(t) + 7u(-t) – 10e-10t u(-t). Find the Bilinear Laplace Transform of fa(t) and sketch the region of convergence in s-plane also showing all the poles. State...
Fourier transform from Laplace transform-The Fourier transform of finite support signals, which are absolutely integrable or finite energy, can be obtained from their Laplace transform rather than doing the integral. Consider the following signals 5.30 x3(t) - r(t + 1) - 2r(t) + r(t - 1) (a) Plot each of the above signals. (b) Find the Fourier transforms (X,(S2)) for1, 2, and 3 using the Laplace transform (c) Use MATLAB's symbolic integration function int to compute the Fourier transform of...
Sketch the complete root locus (including locations of repeated poles, asymptotes, arrival/departure angles, and jw axis crossing) and find the range of stable gains (K in Figure 1) for each of the following transfer functions: s+2 (a) G(s) (b) G(s) +0.1 +2s42b) Go)05 +15) s(s + 0.1)(s2 + 2s + 2) s +30) (s2- 20s+200) R(s)+El(s) s(s2 + 2s + 2)(s + 5)(s + 15) (c) Gs)(+100+20) (d) G(s) (c) G(s) U(s) Y(s) Figure 1
7.21. A signal x(t) with Fourier transform X(jw) undergoes impulse-train sampling to generate where T = 10-4. For each of the following sets of constraints on x(t) and/or X(j), does the sampling theorem (see Section 7.1.1) guarantee that x(t) can be recovered exactly from xp(t)? (a) X(jo) = 0 for lal > 5000π (b) x(ja)-0 for lol > 15000m (c) Re(X(jw)} = 0 for lal > 5000m (d) x(t) real and X(ju)-0 for ω > 5000TT (e) x(t) real and...
Don't need to do #1. Please go into detail on how you solved #2
and #3
The Fourier transform of the signal r(t) is given by the following figure (X(jw)0 for w> 20) X(ju) 0.8 0.6 0.4 0.2 -10 10 20 m Page 4 of 5 Final S09 EE315 Signals & Systems The signal is sampled to obtain the signal withFourier transform Xlw 1. (5p) What is the minimum sampling frequency w 2. (10p) Now suppose that the sampling frequency...
2 part a and b , 3 part a and b
7 marks 2. Consider the Fourier transform pair a) Use the appropriate Fourier transform properties to find the Fourier transform of te-lti 5 marks) b) Use the results from part (a) and the duality property to determine the Fourier transform of 4t f(t) = (1 +t2)2 [15 marks 3. For the discrete time system shown in fig. 1 a) Determine the transfer function Hint: The best starting point is...
(10 points each) Given the following unity feedback system 3. E(s) R(s) C(s) 080-00 Figure 3 Where Go) DXG+3%6+5) 2(s +2) Find stability, and how many poles are in the right half-plane, in the left half-plane, on the jw axis. a. b. Draw the root locus for the system indicating the breakaway points, the ju crossings Draw the corresponding asymptotes on the diagram, calculate number of asymptotes, center and angle of asymptotes. c.
(10 points each) Given the following unity...
5 = 10 marks ] Question 1 [3 2 (a) Use the Fourier transform, -) / Ф(Р) e'pr/h d3p 27TH and the inverse transform 1 b(FeipF/hd3r Ф(Р) 2тh to prove the Fourier Integral Theorem: 1 ') ei(F'-p)/h d3p' d*r. Ф(р) - 2тh (b) Explain why the Dirac-ô may be represented via - ih)/ 1 8(F- F') (c) Show that for arbitrary wave functions /a,b(f) that / -/ Фа (р)" фь (р) d'р, Va(r = where ba and da (and /,...
Problem 2 (25 Pts,) Root locus: A proportional only action is controlling a plant with unity feedback. The plant transfer function is: 6 G)+ G+2)(6 +3) a. Draw the poles of G (s) in below figure b. How many asymptotes does the root locus plot of the above transfer function has? c. What angles do the asymptotes make with the positive real axis in the s plane? d. At what point do the asymptotes intersect on the real axis? e....