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Recent questions tagged impulseresponse
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GATE ECE 2020  Question: 5
The output $y[n]$ of a discretetime 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 $\delta \left [ n \right ].$
asked
Feb 13, 2020
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Continuoustime Signals
by
jothee
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1.8k
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63
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gate2020ec
continuoustimesignals
signalsandsystems
discretetimesignals
impulseresponse
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GATE ECE 2019  Question: 44
Let $h[n]$ be a length  $7$ discretetime 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 __________.
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Feb 12, 2019
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Continuoustime Signals
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Arjun
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58
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gate2019ec
numericalanswers
continuoustimesignals
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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 lowpass filter highpass filter bandpass filter bandstop filter
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Mar 28, 2018
in
Continuoustime Signals
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Milicevic3306
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15.8k
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26
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gate2016ec3
continuoustimesignals
impulseresponse
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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
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Mar 28, 2018
in
Continuoustime Signals
by
Milicevic3306
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15.8k
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15
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gate2015ec3
continuoustimesignals
impulseresponse
lineartimeinvariantsystems
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5
GATE ECE 2013  Question: 33
The impulse response of a continuous time system is given by $h(t) = \delta(t1) + \delta(t3).$ The value of the step response at $t = 2$ is $0$ $1$ $2$ $3$
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Mar 26, 2018
in
Continuoustime Signals
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Milicevic3306
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15.8k
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24
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gate2013ec
continuoustimesignals
impulseresponse
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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 $\frac{t^{2}}{2}u(t)$ $\frac{t(t1)}{2}u(t1)$ $\frac{(t1)^{2}}{2}u(t1)$ $\frac{t^{2}1}{2}u(t1)$
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Mar 26, 2018
in
Continuoustime Signals
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Milicevic3306
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15.8k
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20
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gate2013ec
continuoustimesignals
impulseresponse
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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 $h_{1}(t)$
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Mar 26, 2018
in
Continuoustime Signals
by
Milicevic3306
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15.8k
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20
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gate2013ec
signalsandsystems
continuoustimesignals
impulseresponse
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8
GATE ECE 2018  Question: 13
A discretetime allpass 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 twosided. It has constant phase response over all frequencies. It has constant phase response over the entire $\text{zplane}$.
asked
Feb 19, 2018
in
Continuoustime Signals
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gatecse
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1.5k
points)

46
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gate2018ec
continuoustimesignals
impulseresponse
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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 (t2). \end{array}$ If the input $x(t)$ is a unit step signal, then the energy of $y(t)$ is ____________
asked
Nov 25, 2017
in
Continuoustime Signals
by
admin
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2.8k
points)

37
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gate2017ec2
impulseresponse
numericalanswers
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