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BARC EE : Signal and System Quiz-3
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Question 1
Consider Fourier transform of x(t) as K/jω. The value of K if x(t) = 2u(t) – 2u(–t).
Question 2
Laplace transform of x(t) = e–t u(t+1) is
Question 3
The signal x(t) and h(t) shown in the figure are convolved to yield y(t).
Which of the following represents the output y(t)?
Question 4
For the sync pulse shown in the diagram below the energy of the signal
will be __________ joules.
![](https://gs-post-images.grdp.co/2020/1/7-img1579071293281-11.png-rs-high-webp.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ37176/1568179824753539.png)
![](https://gs-post-images.grdp.co/2020/1/7-img1579071293281-11.png-rs-high-webp.png)
Question 5
A causal discrete time LTI system is described by:
Y(n) + 5y(n-1) + 6y(n – 2) = 5x(n) – 2x(n-1)
Find the impulse response h(n) of causal system.
Question 6
The energy in the given signal
is
![](https://gradeup-question-images.grdp.co/liveData/PROJ34666/1569223475417552.png)
Question 7
If
the Fourier Transform of x(t) is _______?
![](https://gradeup-question-images.grdp.co/liveData/PROJ34666/1569223611713247.png)
Question 8
Let us consider a signal
. If
, then find the energy of signal g(t).
![](https://gradeup-question-images.grdp.co/liveData/PROJ37406/1568115295667554.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ37406/1568115296354283.png)
Question 9
Consider the signal
The time-period of the signal will be:
Question 10
Power of signal
provided x(t) is shown below is ________.
![](https://gradeup-question-images.grdp.co/liveData/PROJ68455/1610518334293727.png)
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