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11-40) The impulse responses of two linear circuits are hi(t) = e-2'u(t) and hz(t) = 4e-4'u(t)....
Problem 1. (10 points) The unit impulse responses of two linear time-invariant systems are hi(t) =...
Problem 1. (10 points) The unit impulse responses of two linear time-invariant systems are hi(t) = 400me-200t u(t) h (t) = 4007e-200nt cos(20,000nt u(t). a) Find the magnitude responses of these systems. b) Determine the filter type and 3 dB cut-off frequency of the first system hi(t). c) How about the second system hz(t)?
2. For two systems with impulse responses hi[n] (0.2) u[n] h2[n] - (0.8) ul-n - 1]...
2. For two systems with impulse responses hi[n] (0.2) u[n] h2[n] - (0.8) ul-n - 1] and Write down the transfer functions Hi(z) and H2(z). Include their ROCs as well and plot the pole-zero diagram for each.
5.44. The impulse responses of four linear-phase FIR filters hi[n], h2[n],h3[n], and h4n]are given below. Moreover,...
5.44. The impulse responses of four linear-phase FIR filters hi[n], h2[n],h3[n], and h4n]are given below. Moreover, four magnitude response plots, A, B. C, and D, that potentially corre- spond to these impulse responses are shown in Figure P5.44. For each impulse response hi[n 1.....4, specify which of the four magnitude response plots, if any, corresponds to it. If none of the magnitude response plots matches a given hi[n, then specify "none as the answer for that hiIn] h1 [n] :...
3. (10 points) Two linear time invariant (LTI) systems with impulse response hi(k) and h2(k) are...
3. (10 points) Two linear time invariant (LTI) systems with impulse response hi(k) and h2(k) are connected in cascade as shown in Figure 1. Let x(k) be the input, yı(k) be the output of the first LTI, and y2(k) be the output of the second LTI. Let hi(k) = k(0.7)k u(k), h2(k) = ku(k), and x(k) = (0.3)k u(k). Use z-transform to (a) find yı(k). (b) find y2(k). x(k) yi(k) y2(k) hi(k) h2(k)
Problem 5. (20 points) Topic: System interconnections. Given two systems with the impulse responses h:(0) =...
Problem 5. (20 points) Topic: System interconnections. Given two systems with the impulse responses h:(0) = e (l) and hz(t) = u(t) - ufl-1) (rectangular pulse of duration 1). Find the impulse response h(t) of a new system which is a series interconnection of two mentioned systems. Present mathematical and graphical solution Total 100 points (1) =
4. A linear time invariant system has the following impulse response: h(t) =2e-at u(t) Use convolution...
4. A linear time invariant system has the following impulse response: h(t) =2e-at u(t) Use convolution to find the response y(t) to the following input: x(t) = u(t)-u(t-4) Sketch y(t) for the case when a = 1
The diagram in Fig. 1 depicts a cascade connection of two linear time-invariant systems; i.e., the...
The diagram in Fig. 1 depicts a cascade connection of two linear time-invariant systems; i.e., the output of the first system is the input to the second system, and the overall output is the output of the second system. LTI System #1 hi[n] LTI System #2 h21n] r[n] iIn] yInl Figure 1: Cascade connection of two LTI systems (a) Suppose that System #l is a blurring filter described by the impulse response 0 "=0.1.2.3.4.5 n>5 and System #2 is described...
The system shown below is formed by connecting two systems in parallel. The impulse responses of...
The system shown below is formed by connecting two systems in parallel. The impulse responses of the systems are given by: t h, (t) = € 2€ u(t) , h (t) = 2e fu(t) 1) Find the impulse response h(t) of the overall system. 2) Is the overall system stable? h,(t) x vo h(t)
3.5 Determine the output y(t) for the following pairs of input signals x(t) and impulse responses...
3.5 Determine the output y(t) for the following pairs of input signals x(t) and impulse responses h(t): 11) X (İİİ) x(1) = 11(1)-211(1-1) + 11(1-2), h(1) = 11(1 + 1)-11(t-1); Part lI Continuous-time signals and systems (iv) x(t) - e2"u(-t), h(t)-eu(); (v) x(t)-sin(2tt)(u(t _ 2) _ 11(1-5)), h (t) = 11(1) _ II(ț-2); (vi) x(t) = e-圳, h(t) = e-51,1. (vii) x(1)= sin(t)11(1), h(1) = cos(t)11(1).
3.5 Determine the output y(t) for the following pairs of input signals x(t) and...
4. Consider the magnitude and phase of the frequency response Hi(2) of a linear and time-invariant...
4. Consider the magnitude and phase of the frequency response Hi(2) of a linear and time-invariant (LTI) discrete-time System 1, given for-r < Ω-T, as: H, (12)| 10 phase H1(Ω)--0 for all Ω (a) Suppose an 5cos(n s input to System 1. Find the output ya[n] (b) Suppose ancos(is input to System 1. Find the output ybn] (c) Suppose I take the discrete-time signal from part (a): xa[n] 5cos(n), but I remove half of the values: to arrive at a...
Problem 1. (10 points) The unit impulse responses of two linear time-invariant systems are hi(t) = 400me-200t u(t) h (t) = 4007e-200nt cos(20,000nt u(t). a) Find the magnitude responses of these systems. b) Determine the filter type and 3 dB cut-off frequency of the first system hi(t). c) How about the second system hz(t)?
2. For two systems with impulse responses hi[n] (0.2) u[n] h2[n] - (0.8) ul-n - 1] and Write down the transfer functions Hi(z) and H2(z). Include their ROCs as well and plot the pole-zero diagram for each.
5.44. The impulse responses of four linear-phase FIR filters hi[n], h2[n],h3[n], and h4n]are given below. Moreover, four magnitude response plots, A, B. C, and D, that potentially corre- spond to these impulse responses are shown in Figure P5.44. For each impulse response hi[n 1.....4, specify which of the four magnitude response plots, if any, corresponds to it. If none of the magnitude response plots matches a given hi[n, then specify "none as the answer for that hiIn] h1 [n] :...
3. (10 points) Two linear time invariant (LTI) systems with impulse response hi(k) and h2(k) are connected in cascade as shown in Figure 1. Let x(k) be the input, yı(k) be the output of the first LTI, and y2(k) be the output of the second LTI. Let hi(k) = k(0.7)k u(k), h2(k) = ku(k), and x(k) = (0.3)k u(k). Use z-transform to (a) find yı(k). (b) find y2(k). x(k) yi(k) y2(k) hi(k) h2(k)
Problem 5. (20 points) Topic: System interconnections. Given two systems with the impulse responses h:(0) = e (l) and hz(t) = u(t) - ufl-1) (rectangular pulse of duration 1). Find the impulse response h(t) of a new system which is a series interconnection of two mentioned systems. Present mathematical and graphical solution Total 100 points (1) =
4. A linear time invariant system has the following impulse response: h(t) =2e-at u(t) Use convolution to find the response y(t) to the following input: x(t) = u(t)-u(t-4) Sketch y(t) for the case when a = 1
The diagram in Fig. 1 depicts a cascade connection of two linear time-invariant systems; i.e., the output of the first system is the input to the second system, and the overall output is the output of the second system. LTI System #1 hi[n] LTI System #2 h21n] r[n] iIn] yInl Figure 1: Cascade connection of two LTI systems (a) Suppose that System #l is a blurring filter described by the impulse response 0 "=0.1.2.3.4.5 n>5 and System #2 is described...
The system shown below is formed by connecting two systems in parallel. The impulse responses of the systems are given by: t h, (t) = € 2€ u(t) , h (t) = 2e fu(t) 1) Find the impulse response h(t) of the overall system. 2) Is the overall system stable? h,(t) x vo h(t)
3.5 Determine the output y(t) for the following pairs of input signals x(t) and impulse responses h(t): 11) X (İİİ) x(1) = 11(1)-211(1-1) + 11(1-2), h(1) = 11(1 + 1)-11(t-1); Part lI Continuous-time signals and systems (iv) x(t) - e2"u(-t), h(t)-eu(); (v) x(t)-sin(2tt)(u(t _ 2) _ 11(1-5)), h (t) = 11(1) _ II(ț-2); (vi) x(t) = e-圳, h(t) = e-51,1. (vii) x(1)= sin(t)11(1), h(1) = cos(t)11(1).
3.5 Determine the output y(t) for the following pairs of input signals x(t) and...
4. Consider the magnitude and phase of the frequency response Hi(2) of a linear and time-invariant (LTI) discrete-time System 1, given for-r < Ω-T, as: H, (12)| 10 phase H1(Ω)--0 for all Ω (a) Suppose an 5cos(n s input to System 1. Find the output ya[n] (b) Suppose ancos(is input to System 1. Find the output ybn] (c) Suppose I take the discrete-time signal from part (a): xa[n] 5cos(n), but I remove half of the values: to arrive at a...
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**86 at 40 not 88. please show how got Tr in calculations thank
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