Electronics & Communication Engineering - Digital Signal Processing

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19.

Frequency Transformations in the Analog domain and in the Digital domain will yield?                          
A. Same Results B. Different Results
C. Different results for Bilinear Transformation D. Different Results except Bilinear Transformation



20.

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



21.

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




22.

In the Impulse Invariance method the mapping from analog frequency Ω to the digital frequency ω is?                          
A. one to one B. one to many
C. many to many D. many to one



23.

In the Frequency transformations in the digital domain involves mapping z with?                          
A. g(z) B. g(z )
C. 1/g(z) D. 1/g(z )



24.

A discrete impulse function is applied to the inputs of four different filters.The output sequences of these filters are listed below. Which one of these filters has a pole outside the unit circle??                          
A. {1, 2, 3, 4, 5, 6, 0, 0, 0, ..... } B. {1, - 1, 1, - 1, 1, - 1, ..... }
C. {1, 2, 4, 8, 16, ..... } D. {1, 0.5, 0.25, 0.125, ..... }



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