6) Consider the impulse response system, h(t) = (1 - e-0.51)u(t), determine whether the system is...
3.21. An LTI system has the impulse response h()-u(t+7)-u(t-8) (a) Determine whether this system is causal (b) Determine whether this system is stable. (c) Find the system response to the input x(f) 8(t-2)-28(t+ 2)
Consider a continuous-time LTI system S with impulse response h(t) = 2(u(t + 1)-u(t 1)). Determine the values of the amplitude scaling and the tme shifting that takes place when each of the following input signals is provided to the system S. Don't use the convolution integral, instead use the result about how LTI systems respond to complex exponential signals. (a) x(t) 2 (b) x(t) ej0.5Tt (c) x(t) = e-j0.5πt (d) x(t) = e-jmt (e) x(t) = cos (0.5t) (f)...
Consider a continuous-time LTI system impulse response h(t) as given below. h(t) = 2/3 e^-tu(t)-1/3 e^2t u(-t) (a) Determine Laplace Transform H(s) of h(t). Determine and clearly sketch its ROC. (b) Is it possible to find the Fourier Transform H(j!) of h(t) by using Laplace Transform? If possible, determine H(j!). Why, or why not? Explain. (c) Is this system causal? Is this system stable? Explain your answers.
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3.19. An LTI system has the impulse response h(t) = e'ul-t). (a) Determine whether this system is causal. (b) Determine whether this system is stable. (c) Find and sketch the system response to the unit step input x(t) = u(t). (d) Repeat Parts (a), (b), and (c) for h(t) = e'u(t). (e) Determine whether the systems given before part (a) and in part (d) are memoryless
Show that the system with impulse response h(t) = e-2t cos(10nt) u(t) • Is it stable? Is it causal?
The unit impulse response and the input to an LTI system are given by: h(t) u(t) - u(t - 4) x(t) e2[u(t)-u(t - 4)] x(t) 1 y(t) h(t) 1. Determine the output signal, i.e.y(t), you may use any method. 2. Is this system memoryless? Why? 3. Is this system causal? Why? 4. Is this system BIBO stable? Why?
Consider a LTI system with impulse response h[n] = u[n]*a^n, where |a| < 1. a) Determine the frequency response of the system. b) Find the magnitude response and the phase response, given a = 1/2. No plots. c) Consider a LTI system whose impulse response h1[n] is a time-shifted version of h[n], i.e., h1[n] = h[n − n0]. Compute the frequency response H1(e^(jΩ)), and represent H1(e^(jΩ)) in terms of H(e^(jΩ)).
6) Consider a discrete-time LTI system with impulse response h[n] = response h[n] = ( 1) u[n]. Use Fourie transforms to determine the response of this system to the input x[n] = ml + un).
5- Determine whether or not each of the following LTI systems with the given impulse response are memoryless: a) h(t) = 56(t- 1) b) h(t) = eT u(t) e) h[n] sinEn) d) h[n] = 26[n] 6- Determine whether or not each of the following LTI systems with the given impulse response are stable: a) h(t) = 2 b) h(t) = e2tu(t - 1) c) h[n] = 3"u[n] d) h[n] = cos(Tm)u[n] 7- Determine whether or not each of the following...
Consider an LTI system with the impulse response h(t) = e- . Is the system casual? Explain. Find and plot the output s(t) given that the system input is x(t) = u(t). Note that s(t) in this case is commonly known as the step response of the system. If the input is x(t) = u(t)-u(t-T). Express the output y(t) as a function of s(t). Also, explicitly write the output y(t) as a function of t. a) b) c)