Digital Signal Processing Questions and Answers, Set 11

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 the comparator, and then such a system is called?

Answer : 

Sigma-delta modulation

Q5. 

If 0<E<255, then which of the following statements is true about X?

Answer : 

Mixed number

Q6. 

From the definition of the state of a system, the system consists of only one component called a memory-less component.

Answer :  

False

Q7. 

If M and N are the orders of the numerator and denominator of the rational system function, respectively, then how many multiplications are required in a 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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