MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Signal Processing knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the approximate transition width of main lobe of a Hamming window? |
| A. | 4 /M |
| B. | 8 /M |
| C. | 12 /M |
| D. | 2 /M |
| Answer» C. 12 /M | |
| 2. |
The width of each side lobes decreases with an decrease in M. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Which of the following windows has a time domain sequence h(n)= (1- frac{2|n- frac{M-1}{2}|}{M-1} )? |
| A. | Bartlett window |
| B. | Blackman window |
| C. | Hanning window |
| D. | Hamming window |
| Answer» B. Blackman window | |
| 4. |
As M is increased, W( ) becomes wider and the smoothening produced by the W( ) is increased. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
With an increase in the value of M, the height of each side lobe ____________ |
| A. | Do not vary |
| B. | Does not depend on value of M |
| C. | Decreases |
| D. | Increases |
| Answer» E. | |
| 6. |
What is the magnitude response |W( )| of a rectangular window function? |
| A. | ( frac{|sin( M/2)|}{|sin( /2)|} ) |
| B. | ( frac{|sin( /2)|}{|sin( M/2)|} ) |
| C. | ( frac{|cos( M/2)|}{|sin( /2)|} ) |
| D. | None of the mentioned |
| Answer» B. ( frac{|sin( /2)|}{|sin( M/2)|} ) | |
| 7. |
What is the Fourier transform of the rectangular window of length M-1? |
| A. | (e^{j (M-1)/2} frac{sin u2061( frac{ M}{2})}{sin u2061( frac{ }{2})} ) |
| B. | (e^{j (M+1)/2} frac{sin u2061( frac{ M}{2})}{sin u2061( frac{ }{2})} ) |
| C. | (e^{-j (M+1)/2} frac{sin u2061( frac{ M}{2})}{sin u2061( frac{ }{2})} ) |
| D. | (e^{-j (M-1)/2} frac{sin u2061( frac{ M}{2})}{sin u2061( frac{ }{2})} ) |
| Answer» E. | |