eatu(t), (a >0), is 6(t). Find the response 5. The response of an LTI system to...
4. LTI Systems and Erponential Response. (12 pts) (a) (2 pts) Suppose an LTI system has input-output relationship y(t) 2r(t+3). What is the transfer function H(jw) of the given system. Show that H(jw)2. Hint: H(jw(tejdt (b) (5 pts) Suppose an LTI system has input-output relationship y(t)2r(t+3) as Problem 4-(a). Find the output y(t) using the complex exponential response method as discussed in lecture for the input r(t) = ej2t + 2 cos2(t). Hint: cos2(0) 1 (20 cos(26) an d 1-ejot...
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)...
Problem 4. Use the convolution integral to find the response y(t) of the LTI system with impulse response h(t) to input x(t) a) x(I)-2expl_2t)u(t) , h(1)-expl-t)u(t)
CONVOLUTION - Questions 4 and 5 4. Consider an LTI system with an impulse response h(n) = [1 2 1] for 0 <n<2. If the input to the system is x(n) = u(n)-un-2) where u(n) is the unit-step, calculate the output of the system y(n) analytically. Check your answer using the "conv" function in MATLAB. 5. Consider an LTI system with an impulse response h(n) = u(n) where u(n) is the unit-step. (a) If the input to the system is...
2.52 with cosine replaced with sine. 2.52. The step response s(t) of a continuous-time LTI system is given by s(t) = cos wat ju(t) Find the impulse response h(1) of the system. Ans. h(i)= 8(t) – woſsin wot]u(t)
(e) Consider an LTI system with impulse response h(t) = π8ǐnc(2(t-1). i. (5 pts) Find the frequency response H(jw). Hint: Use the FT properties and pairs tables. ii. (5 pts) Find the output y(t) when the input is (tsin(t) by using the Fourier Transform method. 3. Fourier Transforms: LTI Systems Described by LCCDE (35 pts) (a) Consider a causal (meaning zero initial conditions) LTI system represented by its input-output relationship in the form of a differential equation:-p +3讐+ 2y(t)--r(t). i....
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)
Exercise 2.5 response of the LTI system with impulse response h(t)-e cos(2t)u(t)
Problem 3. Find by convolution for each pair of waveforms the response to the input r(t) of the LTI system with impulse response h(t). Express your result graphically or analytically as you choose. r(t)u(t) x(t) = eta(-t) a(t) h(t) = e-ta(t) h(t)-eu) h(t) -1 h t) x(t) = sin(nt) (u(t)-u(t-2)) h t) 1, t<0; 1-sin(2Tt), t2 0 x(t) = Problem 3. Find by convolution for each pair of waveforms the response to the input r(t) of the LTI system with...
QUESTION 2 (12 marks) The step response of an LTI system is given by g(t) = (1 - e-3t)u(t) (a) Determine the impulse response, h(t), of the system. (b) Use the linearity and time invariance properties to determine the response of the system to the input x(t) = 38(t) + 2u(t – 2). (c) Determine the frequency response of the system H(jw). [Hint: Use the tables in the formula sheet]. (d) Hence determine the output y(t) for the input signal...