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Problem 1 (4 points) Let h(t) be the triangular pulse shown in the Figure and let...
problem 7 Problem-4 [10 Points] Find the Laplace transforms of the functions in Figure. 2 Figure....
problem 7
Problem-4 [10 Points] Find the Laplace transforms of the functions in Figure. 2 Figure. 2: Triangular Function Problem-5 [10 Pointsl A system has the transfer function h(s) = (s1)(s +2) a) Find the impulse response of the system b) Determine the output y(t), given that the input is x(t) u(t) Problem-6 [10 Pointsl Use the Laplace transform to solve the differential equation +22+10v(t) 3 cos(2t) dt2 dt subject to v(0)-1, dv(O) Problem-7 [10 Points] Solve the integrodifferential equation...
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1 KHz as shown in Figure 4 by a pulse train of frequency 4 kHz wit...
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1 KHz as shown in Figure 4 by a pulse train of frequency 4 kHz with a pulse width of 0.025 ms. Draw the sampled waveform Message signal 3V 1 ms tms 3V-- (9 Marks) Figure 4
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1...
h(t) h(1) + ht) Figure Q2 (a) Q2 (a) Consider the system shown in Figure Q2...
h(t) h(1) + ht) Figure Q2 (a) Q2 (a) Consider the system shown in Figure Q2 (a). Find the overall impulse response of the system, h(t) with impulse responses given below. h(t) = 3e-Stu(t) hy(t) = et u(t) hg(t) = 2t u(t) (5 marks) (b) Determine whether the system, h(t) obtained in Q2 (a) is: (1) Stable (3 marks) (ii) Causal (2 marks) Q3. (a) Explain the Gibbs phenomenon. (3 marks) (b) Given a signal 3 x(t) = x+7cos (41t+...
Practice problem All parts of this problem involve the infinite-duration periodic signal r(t) shown below. )...
Practice problem All parts of this problem involve the infinite-duration periodic signal r(t) shown below. ) (periodic 7-5 -1 7 0 (a) (15 points) On the axes below, provide a clearly labeled sketch of the spectrum X(w). Hint: Employ the infinite impulse train b) (10 points) Suppose r(t) is the input to a continuous-time LTI system with impulse response 3 2TT πί. h(t)-2-sine(9) . Determine the output y(t) for -oo<t<oo
1. Problem 1: (20 pts) Let 3(t) = u(1 – t) and h(t) = tſu(t) -...
1. Problem 1: (20 pts) Let 3(t) = u(1 – t) and h(t) = tſu(t) - t - 2)). (a) Sketch h(t), 3(1), 2(t - T) and carefully label the values on the axes. (6 pts) (b) Determine y(t) = 3(t)h(t) by performing graphical convolution. No need to sketch y(t). (14 pts)
(a) Determine the Fourier transform of x(t) 26(t-1)-6(t-3) (b) Compute the convolution sum of the following signals, (6%) [696] (c) The Fourier transform of a continuous-time signal a(t) is given bel...
(a) Determine the Fourier transform of x(t) 26(t-1)-6(t-3) (b) Compute the convolution sum of the following signals, (6%) [696] (c) The Fourier transform of a continuous-time signal a(t) is given below. Determine the [696] total energy of (t) 4 sin w (d) Determine the DC value and the average power of the following periodic signal. (6%) 0.5 0.5 (e) Determine the Nyquist rate for the following signal. (6%) x(t) = [1-0.78 cos(50nt + π/4)]2. (f) Sketch the frequency spectrum of...
Problem 1: Let the impulse response of an LTI system be given by 0 t< h(t)...
Problem 1: Let the impulse response of an LTI system be given by 0 t< h(t) = 〉 1 0 < t < 1 0 t>1 Find the output y(t) of this system if the input is given by a) x(t) = 1 + cos(2nt) b) x(t)-cos(Tt) c) x(t) sin (t )l d) x(t) = 1 0 < t < 10 0 t 10 e) x(t) = δ(t-2)-5(t-4) f) a(t)-etu(t) Problem 2: For the same LTI system in Problem 1,...
Problem 4: Evaluation of the convolution integral too y(t) = (f * h)(t) = f(t)h(t –...
Problem 4: Evaluation of the convolution integral too y(t) = (f * h)(t) = f(t)h(t – 7)dt is greatly simplified when either the input f(t) or impulse response h(t) is the sum of weighted impulse functions. This fact will be used later in the semester when we study the operation of communication systems using Fourier analysis methods. a) Use the convolution integral to prove that f(t) *8(t – T) = f(t – T) and 8(t – T) *h(t) = h(t...
Question 2 Consider the natural sampling applied to a signal, x(t) = sinc"5 The signal is sampled (multiplied) by a periodic (rectangular) pulse train which is shown in Figure (b). Assume the...
Question 2 Consider the natural sampling applied to a signal, x(t) = sinc"5 The signal is sampled (multiplied) by a periodic (rectangular) pulse train which is shown in Figure (b). Assume the period, To-0.05s. πt as shown in Figure (a) Pr(t) x(t) XFO 057 Pt(t) 1 mark (a) Determine and sketch the spectrum of the signal x(t). Determine the bandwidth of x(t), B. 1 mark(b) Sketch the sampled signal, E(t) 2 marks () Derive and sketch the spectrum of the...
For the given rectangular pulse signal shown in figure below, 1 x(1) 1, T 0, T,...
For the given rectangular pulse signal shown in figure below, 1 x(1) 1, T 0, T, x) T T1 Find the Fourier transform of the signal and sketch it
problem 7
Problem-4 [10 Points] Find the Laplace transforms of the functions in Figure. 2 Figure. 2: Triangular Function Problem-5 [10 Pointsl A system has the transfer function h(s) = (s1)(s +2) a) Find the impulse response of the system b) Determine the output y(t), given that the input is x(t) u(t) Problem-6 [10 Pointsl Use the Laplace transform to solve the differential equation +22+10v(t) 3 cos(2t) dt2 dt subject to v(0)-1, dv(O) Problem-7 [10 Points] Solve the integrodifferential equation...
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1 KHz as shown in Figure 4 by a pulse train of frequency 4 kHz with a pulse width of 0.025 ms. Draw the sampled waveform Message signal 3V 1 ms tms 3V-- (9 Marks) Figure 4
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1...
h(t) h(1) + ht) Figure Q2 (a) Q2 (a) Consider the system shown in Figure Q2 (a). Find the overall impulse response of the system, h(t) with impulse responses given below. h(t) = 3e-Stu(t) hy(t) = et u(t) hg(t) = 2t u(t) (5 marks) (b) Determine whether the system, h(t) obtained in Q2 (a) is: (1) Stable (3 marks) (ii) Causal (2 marks) Q3. (a) Explain the Gibbs phenomenon. (3 marks) (b) Given a signal 3 x(t) = x+7cos (41t+...
Practice problem All parts of this problem involve the infinite-duration periodic signal r(t) shown below. ) (periodic 7-5 -1 7 0 (a) (15 points) On the axes below, provide a clearly labeled sketch of the spectrum X(w). Hint: Employ the infinite impulse train b) (10 points) Suppose r(t) is the input to a continuous-time LTI system with impulse response 3 2TT πί. h(t)-2-sine(9) . Determine the output y(t) for -oo<t<oo
1. Problem 1: (20 pts) Let 3(t) = u(1 – t) and h(t) = tſu(t) - t - 2)). (a) Sketch h(t), 3(1), 2(t - T) and carefully label the values on the axes. (6 pts) (b) Determine y(t) = 3(t)h(t) by performing graphical convolution. No need to sketch y(t). (14 pts)
(a) Determine the Fourier transform of x(t) 26(t-1)-6(t-3) (b) Compute the convolution sum of the following signals, (6%) [696] (c) The Fourier transform of a continuous-time signal a(t) is given below. Determine the [696] total energy of (t) 4 sin w (d) Determine the DC value and the average power of the following periodic signal. (6%) 0.5 0.5 (e) Determine the Nyquist rate for the following signal. (6%) x(t) = [1-0.78 cos(50nt + π/4)]2. (f) Sketch the frequency spectrum of...
Problem 1: Let the impulse response of an LTI system be given by 0 t< h(t) = 〉 1 0 < t < 1 0 t>1 Find the output y(t) of this system if the input is given by a) x(t) = 1 + cos(2nt) b) x(t)-cos(Tt) c) x(t) sin (t )l d) x(t) = 1 0 < t < 10 0 t 10 e) x(t) = δ(t-2)-5(t-4) f) a(t)-etu(t) Problem 2: For the same LTI system in Problem 1,...
Problem 4: Evaluation of the convolution integral too y(t) = (f * h)(t) = f(t)h(t – 7)dt is greatly simplified when either the input f(t) or impulse response h(t) is the sum of weighted impulse functions. This fact will be used later in the semester when we study the operation of communication systems using Fourier analysis methods. a) Use the convolution integral to prove that f(t) *8(t – T) = f(t – T) and 8(t – T) *h(t) = h(t...
Question 2 Consider the natural sampling applied to a signal, x(t) = sinc"5 The signal is sampled (multiplied) by a periodic (rectangular) pulse train which is shown in Figure (b). Assume the period, To-0.05s. πt as shown in Figure (a) Pr(t) x(t) XFO 057 Pt(t) 1 mark (a) Determine and sketch the spectrum of the signal x(t). Determine the bandwidth of x(t), B. 1 mark(b) Sketch the sampled signal, E(t) 2 marks () Derive and sketch the spectrum of the...
For the given rectangular pulse signal shown in figure below, 1 x(1) 1, T 0, T, x) T T1 Find the Fourier transform of the signal and sketch it
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