MCQOPTIONS
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MCQOPTIONS
This section includes 8 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 large side lobes of W( ) results in which of the following undesirable effects? |
| A. | Circling effects |
| B. | Broadening effects |
| C. | Ringing effects |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 2. |
If the value of M increases then the main lobe in the frequency response of the rectangular window becomes broader. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Which of the following windows has a time domain sequence h(n)= ( frac{1}{2}(1-cos frac{2 n}{M-1}) )? |
| A. | Bartlett window |
| B. | Blackman window |
| C. | Hamming window |
| D. | Hanning window |
| Answer» E. | |
| 4. |
What is the approximate transition width of main lobe of a Blackman window? |
| A. | 4 /M |
| B. | 8 /M |
| C. | 12 /M |
| D. | 2 /M |
| Answer» D. 2 /M | |
| 5. |
The oscillatory behavior near the band edge of the low pass filter is known as Gibbs phenomenon. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
How does the frequency of oscillations in the pass band of a low pass filter varies with the value of M? |
| A. | Decrease with increase in M |
| B. | Increase with increase in M |
| C. | Remains constant with increase in M |
| D. | None of the mentioned |
| Answer» C. Remains constant with increase in M | |
| 7. |
What is the peak side lobe (in dB) for a Hanning window? |
| A. | -13 |
| B. | -27 |
| C. | -32 |
| D. | -58 |
| Answer» D. -58 | |
| 8. |
What is the peak side lobe (in dB) for a rectangular window? |
| A. | -13 |
| B. | -27 |
| C. | -32 |
| D. | -58 |
| Answer» B. -27 | |