Electronics & Communication Engineering - Digital Signal Processing

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1.

The magnitude response of the following filter decreases monotonically as frequency increases?                          
A. Butterworth Filter B. Chebyshev type - 1
C. Chebyshev type - 2 D. FIR Filter



2.

The transition band is more in?                          
A. Butterworth Filter B. Chebyshev type - 1
C. Chebyshev type - 2 D. FIR Filter



3.

The poles of Butterworth filter lies on?                          
A. sphere B. circle
C. ellipse D. parabola




4.

I I R digital filters are of the following nature?                          
A. Recursive B. Non Recursive
C. Reversive D. Non Reversive



5.

In I I R digital filter the present output depends on?                          
A. Present and previous Inputs only B. Present input and previous outputs only
C. Present input only D. Present Input, Previous input and output



6.

Which of the following is best suited for I I R filter when compared with the FIR filter?                          
A. Lower sidelobes in stopband B. Higher Sidelobes in stopband
C. Lower sidelobes in Passband D. No sidelobes in stopband



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