Digital Signal Processing Questions and Answers
Q1.
For a decimation-in-time FFT algorithm, which of the following is true?
Answer :
Input is in order and output is shuffled
Q2.
In Bilinear Transformation, aliasing of frequency components is been avoided.
Answer :
True
Q3.
What is the scale used for the measurement of SQNR?
Answer :
dB
Q4.
If E=0 and M=0, then which of the following statement is true about X?
Answer :
Zero
Q5.
For a twos complement representation, the truncation error is ___
Answer :
Always negative
Q6.
If we interchange the rows and columns of the matrix F, then the system is called as _____
Answer :
Transposed system
Q7.
If M and N are the orders of numerator and denominator of rational system function respectively, then how many additions are required in direct form-I realization of that IIR filter?
Answer :
M+N
Q8.
What are the nodes that replace the adders in the signal flow graphs?
Answer :
Summing node
Q9.
How many memory locations are used for storage of the output point of a sequence of length M in direct form realization?
Answer :
M-1
Q10.
What is the process of increasing the sampling rate by a factor I?
Answer :
Interpolation
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