MCQOPTIONS
Saved Bookmarks
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. |
The condition with less number of samples L should be avoided. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following is the disadvantage of Hanning window over rectangular window? |
| A. | More side lobes |
| B. | Less side lobes |
| C. | More width of main lobe |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 3. |
The characteristic of windowing the signal called Leakage is the power that is leaked out into the entire frequency range. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
If x(n)=cos 0n and W( ) is the Fourier transform of the rectangular signal w(n), then what is the Fourier transform of the signal x(n).w(n)? |
| A. | 1/2[W( - <sub>0</sub>)- W( + <sub>0</sub>)] |
| B. | 1/2[W( - <sub>0</sub>)+ W( + <sub>0</sub>)] |
| C. | [W( - <sub>0</sub>)+ W( + <sub>0</sub>)] |
| D. | [W( - <sub>0</sub>)- W( + <sub>0</sub>)] |
| Answer» C. [W( - <sub>0</sub>)+ W( + <sub>0</sub>)] | |
| 5. |
What is the Fourier transform of rectangular window of length L? |
| A. | ( frac{sin u2061( frac{ L}{2})}{sin u2061( frac{ }{2})} e^{j (L+1)/2} ) |
| B. | ( frac{sin u2061( frac{ L}{2})}{sin u2061( frac{ }{2})} e^{j (L-1)/2} ) |
| C. | ( frac{sin u2061( frac{ L}{2})}{sin u2061( frac{ }{2})} e^{-j (L-1)/2} ) |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 6. |
If {x(n)} is the signal to be analyzed, limiting the duration of the sequence to L samples, in the interval 0 n L-1, is equivalent to multiplying {x(n)} by? |
| A. | Kaiser window |
| B. | Hamming window |
| C. | Hanning window |
| D. | Rectangular window |
| Answer» E. | |
| 7. |
If the signal to be analyzed is an analog signal, we would pass it through an anti-aliasing filter with B as the bandwidth of the filtered signal and then the signal is sampled at a rate __________ |
| A. | F<sub>s</sub> 2B |
| B. | F<sub>s</sub> B |
| C. | F<sub>s</sub> 2B |
| D. | F<sub>s</sub> = 2B |
| Answer» D. F<sub>s</sub> = 2B | |