Digital Signal Processing Questions and Answers
Q1.
For a decimation-in-time FFT algorithm, which of the following is true?
Answer :
Input is shuffled and output is in order
Q2.
In IIR Filter design by the Bilinear Transformation, the Bilinear Transformation is a mapping from
Answer :
S-plane to Z-plane
Q3.
What is the abbreviation of SQNR?
Answer :
Signal-to-Quantization Noise Ratio
Q4.
In DM, further the two integrators at encode are replaced by one integrator placed before comparator, and then such system is called?
Answer :
Sigma-delta modulation
Q5.
If 0<E<255, then which of the following statement is true about X?
Answer :
Mixed number
Q6.
From the definition of state of a system, the system consists of only one component called memory less component.
Answer :
False
Q7.
If M and N are the orders of numerator and denominator of rational system function respectively, then how many multiplications are required in direct form-I realization of that IIR filter?
Answer :
M+N+1
Q8.
The basic elements of a flow graph are branches and nodes.
Answer :
True
Q9. What is the process of reducing the sampling rate by a factor D?
Answer :
Decimation
Q10.
When the desired frequency response characteristic of the FIR filter is narrowband, most of the gain parameters {H(k+α)} are zero.
Answer :
True
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