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Recent questions tagged impulse-response
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GATE ECE 2020 | Question: 5
The output $y[n]$ of a discrete-time system for an input $x[n]$ is $y\left [ n \right ]=\underset{-\infty \leq k\leq n}{\text{max}} \mid x\left [ k \right ] \mid$ The unit impulse response of the system is $0$ for all $n$. $1$ for all $n$. unit step signal $u\left [ n \right ].$ unit impulse signal $\delta \left [ n \right ].$
go_editor
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Continuous-time Signals
Feb 13, 2020
by
go_editor
1.9k
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127
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gate2020-ec
continuous-time-signals
signals-and-systems
discrete-time-signals
impulse-response
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GATE ECE 2019 | Question: 44
Let $h[n]$ be a length - $7$ discrete-time finite impulse response filter, given by $h[0]=4, \quad h[1]=3,\quad h[2]=2,\quad h[3]=1,$ $\quad h[-1]=-3, \quad h[-2]=-2, \quad h[-3]=-1,$ and $h[n]$ is zero for $|n|\geq4.$ A ... and $g[n],$ respectively. For the filter that minimizes $E(h,g),$ the value of $10g[-1]+g[1],$ rounded off to $2$ decimal places, is __________.
Arjun
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Continuous-time Signals
Feb 12, 2019
by
Arjun
6.0k
points
115
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gate2019-ec
numerical-answers
continuous-time-signals
impulse-response
0
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0
answers
3
GATE ECE 2016 Set 3 | Question: 36
The direct form structure of an FIR (finite impulse response) filter is shown in the figure. The filter can be used to approximate a low-pass filter high-pass filter band-pass filter band-stop filter
Milicevic3306
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Continuous-time Signals
Mar 28, 2018
by
Milicevic3306
15.8k
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73
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gate2016-ec-3
continuous-time-signals
impulse-response
0
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0
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4
GATE ECE 2015 Set 3 | Question: 17
The impulse response of an LTI system can be obtained by differentiating the unit ramp response differentiating the unit step response integrating the unit ramp response integrating the unit step response
Milicevic3306
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Continuous-time Signals
Mar 28, 2018
by
Milicevic3306
15.8k
points
58
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gate2015-ec-3
continuous-time-signals
impulse-response
linear-time-invariant-systems
0
votes
0
answers
5
GATE ECE 2013 | Question: 33
The impulse response of a continuous time system is given by $h(t) = \delta(t-1) + \delta(t-3).$ The value of the step response at $t = 2$ is $0$ $1$ $2$ $3$
Milicevic3306
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Continuous-time Signals
Mar 26, 2018
by
Milicevic3306
15.8k
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52
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gate2013-ec
continuous-time-signals
impulse-response
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0
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6
GATE ECE 2013 | Question: 8
The impulse response of a system is $h(t) = tu(t).$ For an input $u(t − 1),$ the output is $\frac{t^{2}}{2}u(t)$ $\frac{t(t-1)}{2}u(t-1)$ $\frac{(t-1)^{2}}{2}u(t-1)$ $\frac{t^{2}-1}{2}u(t-1)$
Milicevic3306
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Continuous-time Signals
Mar 26, 2018
by
Milicevic3306
15.8k
points
51
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gate2013-ec
continuous-time-signals
impulse-response
0
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0
answers
7
GATE ECE 2013 | Question: 3
Two systems with impulse responses $h_{1}(t)$ and $h_{2}(t)$ are connected in cascade. Then the overall impulse response of the cascaded system is given by product of $h_{1}(t)$ and $h_{2}(t)$ sum of $h_{1}(t)$ and $h_{2}(t)$ convolution of $h_{1}(t)$ and $h_{2}(t)$ subtraction of $h_{2}(t)$ from $h_{1}(t)$
Milicevic3306
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Continuous-time Signals
Mar 26, 2018
by
Milicevic3306
15.8k
points
36
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gate2013-ec
signals-and-systems
continuous-time-signals
impulse-response
0
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0
answers
8
GATE ECE 2018 | Question: 13
A discrete-time all-pass system has two of its poles at $0.25\angle 0^{\circ}$ and $2\angle 30^{\circ}$. Which one of the following statements about the system is TRUE? It has two more poles at $0.5\angle 30^{\circ}$ and ... response is two-sided. It has constant phase response over all frequencies. It has constant phase response over the entire $\text{z-plane}$.
gatecse
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Continuous-time Signals
Feb 19, 2018
by
gatecse
1.5k
points
78
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gate2018-ec
continuous-time-signals
impulse-response
0
votes
0
answers
9
GATE ECE 2017 Set 2 | Question: 35
Consider the parallel combination of two LTI systems shown in the figure. The impulse responses of the systems are $ \begin{array} {} h_1(t)=2\delta (t+2)-3\delta (t+1) \\ h_2(t)=\delta (t-2). \end{array}$ If the input $x(t)$ is a unit step signal, then the energy of $y(t)$ is ____________
admin
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Continuous-time Signals
Nov 25, 2017
by
admin
32.7k
points
85
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gate2017-ec-2
impulse-response
numerical-answers
continuous-time-signals
signals-and-systems
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