MCQOPTIONS
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MCQOPTIONS
This section includes 14 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 value of unit sample response of an ideal Hilbert transform for ‘n’ even? |
| A. | -1 |
| B. | 1 |
| C. | 0 |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 2. |
If fl and fu are the cutoff frequencies, then what is the desired real valued frequency response of a Hilbert transform filter in the frequency range 2π fl < ω < 2πfu? |
| A. | -1 |
| B. | -0.5 |
| C. | 0 |
| D. | 1 |
| Answer» E. | |
| 3. |
It is impossible to design an all-pass digital Hilbert transformer. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following is true regarding the frequency response of Hilbert transform? |
| A. | Complex |
| B. | Purely imaginary |
| C. | Purely real |
| D. | Zero |
| Answer» C. Purely real | |
| 5. |
In this section, we confine our attention on the design of FIR Hilbert transformers with h(n)=-h(M-1-n). |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
The unit sample response of Hilbert transform is _______________ |
| A. | Zero |
| B. | Symmetric |
| C. | Anti-symmetric |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 7. |
The unit sample response of an ideal Hilbert transform ish(n)=\(\frac{2}{\pi} \frac{(sin(\frac{πn}{2}))^{2}}{n}\); n≠0h(n)=0; n=0 |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
THE_UNIT_SAMPLE_RESPONSE_OF_HILBERT_TRANSFORM_IS:?$ |
| A. | Zero |
| B. | Symmetric |
| C. | Anti-symmetric |
| D. | None of the mentioned |
| Answer» C. Anti-symmetric | |
| 9. |
Which of the following is true regarding the frequency response of Hilbert transform?$ |
| A. | Complex |
| B. | Purely imaginary |
| C. | Purely real |
| D. | Zero |
| Answer» E. | |
| 10. |
In_this_section,_we_confine_our_attention_on_the_design_of_FIR_Hilbert_transformers_with_h(n)=-h(M-1-n).$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
The unit sample response of Hilbert transform is infinite in duration and causal? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
In which of the following fields, Hilbert transformers are frequently used? |
| A. | Generation of SSB signals |
| B. | Radar signal processing |
| C. | Speech signal processing |
| D. | All of the mentioned |
| Answer» C. Speech signal processing | |
| 13. |
How much phase shift does an Hilbert transformer impart on the input? |
| A. | 45<sup>o</sup> |
| B. | 90<sup>o</sup> |
| C. | 135<sup>o</sup> |
| D. | 180<sup>o</sup> |
| Answer» C. 135<sup>o</sup> | |
| 14. |
What kind of filter is an ideal Hilbert transformer? |
| A. | Low pass |
| B. | High pass |
| C. | Band pass |
| D. | All pass |
| Answer» E. | |