Homework Answers
Ans 19) A system whose transfer function is improper rational( order of numerator > order of denominator) function is not BIBO(Vounded Input Bounded Output) stable ,regardless of location of it's poles and zeroes.
so correct answer is option D( Never).
Ans 20) zero input response is the response of the system in the absence of input excitation.
Correct answer is option B
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D Question 19 1 pts When is a system whose transfer function is an improper rational...
When is a system whose transfer function is an improper rational function BIBO stable: Occasionally Sometimes...
When is a system whose transfer function is an improper rational function BIBO stable: Occasionally Sometimes Always Never Question 20 Response of the system in the absence of an input excitation is called: Step response Limited response Impulse response Zero input response
Question 17 1 pts Knowing the transfer function of a system is useful because: O It...
Question 17 1 pts Knowing the transfer function of a system is useful because: O It helps us calculate the weight of the system It does not really help us! It helps us find the response to any input function It helps us calculate the heat transferred by the system Question 18 1 pts A system is BIBO stable if all the poles of the transfer function (given that it is strictly proper rational) reside in: The origin The right...
Question 11 pts x(t) is a time domain function. The laplace transform of x(t) is in...
Question 11 pts x(t) is a time domain function. The laplace transform of x(t) is in what domain: s domain none of the above f domain time domain Flag this Question Question 21 pts if X(s) is the Laplace transform of x(t), then 's' is a : real number integer complex number rational number Flag this Question Question 31 pts In a unilateral Laplace transform the integral, the start time is just after origin (0+) just before origin (0-) origin...
Question 1 (10 pts): Consider the continuous-time LTI system S whose unit impulse response h is given by Le., h consists of a unit impulse at time 0 followed by a unit impulse at time (a) (2pts)...
Question 1 (10 pts): Consider the continuous-time LTI system S whose unit impulse response h is given by Le., h consists of a unit impulse at time 0 followed by a unit impulse at time (a) (2pts) Obtain and plot the unit step response of S. (b) (2pts) Is S stable? Is it causal? Explain Two unrelated questions (c) (2pts) Is the ideal low-pass continuous-time filter (frequency response H(w) for H()0 otherwise) causal? Explain (d) (4 pts) Is the discrete-time...
a = 3 signals and systems 1) [10 pts. Let a system be defined as ta...
a = 3
signals and systems
1) [10 pts. Let a system be defined as ta y(t) x(31 - 2a)dt 2a Is this system b) No b) No b) No vii) memoryless? a) Yes viii) Linear? a) Yes ix) Time invariant? a) Yes x) Causal? a) Yes xi) BIBO stable? a) Yes 2) [5 pts. What is the impulse response h(t)? 3) [10 pts.] Let a signal in s domain b) No b) No 2 Y(S) Sa What is the...
1. Consider the system X2 X3 (a) Find the transfer function of the system. (b) Evaluate...
1. Consider the system X2 X3 (a) Find the transfer function of the system. (b) Evaluate the impulse response and the step response of the system (c) Is the system stable?
(19) For the unity feedback system whose transfer funcetion is shown below, deter- 19.) For the...
(19) For the unity feedback system whose transfer funcetion is shown below, deter- 19.) For the unity feedback system whose transfer function is shown below, deter- mine the steady-state error for a: . Step input, rt) u(t) Ramp input, r(t) tul) 250 s(s 2Xs +5)
Question 11 1 pts An LTI system is BIBO stable if and only if the impulse...
Question 11 1 pts An LTI system is BIBO stable if and only if the impulse response h(t) is: Discrete Differentiable Continuous Absolutely integrable Question 12 1 pts Frequency shift in S domain results in: None of the above Ist derivative in time domain Integral in time domain Multiplication by an exponential function (e-at) in time domain
Find the system transfer function of a causal LSI system whose impulse response is given by...
Find the system transfer function of a causal LSI system whose impulse response is given by h[n]=(−0.55)n−1 sin[3.7 (n−2)] u [n−2].
7. A causal LTI system has a transfer function given by H (z) = -1 (1...
7. A causal LTI system has a transfer function given by H (z) = -1 (1 4 The input to the system is x[n] = (0.5)"u[n] + u[-n-1] ) Find the impulse response of the system b) Determine the difference equation that describes the system. c) Find the output y[n]. d) Is the system stable?
When is a system whose transfer function is an improper rational function BIBO stable: Occasionally Sometimes Always Never Question 20 Response of the system in the absence of an input excitation is called: Step response Limited response Impulse response Zero input response
Question 17 1 pts Knowing the transfer function of a system is useful because: O It helps us calculate the weight of the system It does not really help us! It helps us find the response to any input function It helps us calculate the heat transferred by the system Question 18 1 pts A system is BIBO stable if all the poles of the transfer function (given that it is strictly proper rational) reside in: The origin The right...
Question 1 (10 pts): Consider the continuous-time LTI system S whose unit impulse response h is given by Le., h consists of a unit impulse at time 0 followed by a unit impulse at time (a) (2pts) Obtain and plot the unit step response of S. (b) (2pts) Is S stable? Is it causal? Explain Two unrelated questions (c) (2pts) Is the ideal low-pass continuous-time filter (frequency response H(w) for H()0 otherwise) causal? Explain (d) (4 pts) Is the discrete-time...
a = 3
signals and systems
1) [10 pts. Let a system be defined as ta y(t) x(31 - 2a)dt 2a Is this system b) No b) No b) No vii) memoryless? a) Yes viii) Linear? a) Yes ix) Time invariant? a) Yes x) Causal? a) Yes xi) BIBO stable? a) Yes 2) [5 pts. What is the impulse response h(t)? 3) [10 pts.] Let a signal in s domain b) No b) No 2 Y(S) Sa What is the...
1. Consider the system X2 X3 (a) Find the transfer function of the system. (b) Evaluate the impulse response and the step response of the system (c) Is the system stable?
(19) For the unity feedback system whose transfer funcetion is shown below, deter- 19.) For the unity feedback system whose transfer function is shown below, deter- mine the steady-state error for a: . Step input, rt) u(t) Ramp input, r(t) tul) 250 s(s 2Xs +5)
Question 11 1 pts An LTI system is BIBO stable if and only if the impulse response h(t) is: Discrete Differentiable Continuous Absolutely integrable Question 12 1 pts Frequency shift in S domain results in: None of the above Ist derivative in time domain Integral in time domain Multiplication by an exponential function (e-at) in time domain
7. A causal LTI system has a transfer function given by H (z) = -1 (1 4 The input to the system is x[n] = (0.5)"u[n] + u[-n-1] ) Find the impulse response of the system b) Determine the difference equation that describes the system. c) Find the output y[n]. d) Is the system stable?
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