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Electronics & Communication Engineering - Digital Signal Processing

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13.

The nonlinear relation between the analog and digital frequencies is called?

A.	aliasing	B.	warping
C.	prewarping	D.	antialiasing

14.

The most common technique for the design of I I R Digital filter is?

A.	Direct Method	B.	In direct method
C.	Recursive method	D.	non recursive method

15.

In the design a IIR Digital filter for the conversion of analog filter in to Digital domain the desirable property is?

A.	The axis in the s - plane should map outside the unit circle in the z - Plane	B.	The Left Half Plane(LHP) of the s - plane should map in to the unit circle in the Z - Plane
C.	The Left Half Plane(LHP) of the s-plane should map outside the unit circle in the z-Plane	D.	The Right Half Plane(RHP) of the s-plane should map in to the unit circle in the Z - Plane

16.

The I I R filter design method that overcomes the limitation of applicability to only Lowpass filter and a limited class of bandpass filters is?

A.	Approximation of derivatives	B.	Impulse Invariance
C.	Bilinear Transformation	D.	Frequency sampling

17.

In the Frequency Transformations of the analog domain the transformation is?

A.	Low Pass to Lowpass	B.	Lowpass to Highpass
C.	Lowpass to Bandpass	D.	Lowpass to Bandreject

18.

In the Frequency Transformations of the analog domain the transformation is?

A.	Low Pass to Lowpass	B.	Lowpass to Highpass
C.	Lowpass to Bandpass	D.	Lowpass to Bandreject

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