Digital Signal Processing Questions and Answers, Set 23

Digital Signal Processing Questions and Answers

Q1. 

The large side lobes of W(ω) result in which of the following undesirable effects?

Answer :  

Ringing effects

Q2. 

As M is increased, W(ω) becomes wider, and the smoothening produced by W(ω) is increased.

Answer :  

False

Q3. 

If the unit sample response h(n) of the filter is real, complex-valued roots need not occur in complex conjugate pairs.

Answer :  

False

Q4. 

The anti-symmetric condition with M even is not used in the design of which of the following linear-phase FIR filters?

Answer :  

Low pass

Q5. 

The frequency ωP is called as _____

Answer :  

Pass band edge ripple

Q6. 

What is the range of values to which the amplitudes of the output during a limit cycle ae confined to?

Answer :  

Dead band

Q7. 

The sensitivity analysis made on the poles of a system results in which of the following of the IIR filters?

Answer :  

Zeros

Q8. 

The frequency response H(ω) will be considerably distorted with respect to H(jΩ).

Answer :  

True

Q9. 

What is the number of maxima present in the pass band of the magnitude frequency response of a low-pass Chebyshev-I filter of order 5?

Answer : 

3

Q10. 

The cutoff frequency of the low-pass Butterworth filter is the arithmetic mean of the two cutoff frequencies as found above.

Answer :  

True

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