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Electronics & Communication Engineering - Digital Signal Processing

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37.

The Gibbs oscillations are due to?

A.	Abrupt truncation of the Fourier series	B.	No truncation of the Fourier series
C.	Abrupt termination of the Fourier transform	D.	Slow termination of the Fourier series

38.

One of the desirable characteristic of the window is that the central lobe of the frequency response of the window should contain?

A.	Most of the energy and should be narrow	B.	Lowest energy and should be narrow
C.	Most of the energy and should be broad	D.	Lowest of the energy and should be broad

39.

In a window the desirable characteristic is that the sidelobes of the frequency response should?

A.	Increase in energy rapidly as ω tends to π	B.	Decrease in energy rapidly as ω tends to π
C.	Increase in frequency response	D.	Contain most of the energy and should be narrow

40.

Which window has the advantage of flexibility of sidelobe level and N ??

A.	Rectangular window	B.	Triangular window
C.	Hamming window	D.	Kaiser window

41.

In which filter closed form design equations exist?

A.	FIR Filter	B.	I I R Filter
C.	Butterworth	D.	Chebyshev

42.

In which filter all the poles are located at origin?

A.	FIR Filter	B.	I I R Filter
C.	Butterworth	D.	Chebyshev

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