
DTSP LA2 - SESSION 1
Quiz
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Other
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University
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Hard
MANOHAR H T
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In the Overlap save method in case of the long sequence filtering, then how many zeros do we need to append to the FIR filter’s impulse response?
a. L-1
b. L+1
c. L
d. L+M
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The number of complex additions that we need to perform in the linear filtering of any sequence using the FFT algorithm would be:
Nlog₂N
(N/2)log₂N
2Nlog₂N
(N/2)logN
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Zero-state response is also known as:
Free response
Forced response
Natural response
None of the mentioned
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the particular solution of the first order difference equation y(n)+ay(n-1)=x(n) where |A|<1, WHEN THE INPUT OF THE SYSTEM X(N)=U(N)?
1/(1+a) u(n)
1/(1-a) u(n)
1/(1+a)
1/(1-a)
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The impulse response of a LTI system is h(n)={1,1,1}. What is the response of the signal to the input x(n)={1,2,3}?
{1,3,6,3,1}
{1,2,3,2,1}
{1,3,6,5,3}
{1,1,1,0,0}
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If X(z) is the z-transform of the signal x(n) then what is the z-transform of an x(n)?
X(az)
X(az-1)
X(a-1 z)
None of the mentioned
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
X(z) is the z-transform of the signal x(n), then what is the z-transform of the signal nx(n)?
-z(dX(z))/dz
zdX(z)/dz
-z-1 dX(z)/dz
z-1 (dX(z))/dz
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