MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communication knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The received signal through polarization diversity reception is linearly polarized. |
| A. | False |
| B. | True |
| Answer» B. True | |
| 2. |
Phase diversity reception is also referred to as ______________ |
| A. | Homodyne detection |
| B. | Noisy detection |
| C. | Homodyne detection |
| D. | Multiport detection |
| Answer» E. | |
| 3. |
The use of PLL can be avoided in the intra-dyne detection. |
| A. | False |
| B. | True |
| Answer» C. | |
| 4. |
PHASE_DIVERSITY_RECEPTION_IS_ALSO_REFERRED_TO_AS_______________?$ |
| A. | Homodyne detection |
| B. | Noisy detection |
| C. | Homodyne detection |
| D. | Multiport detection |
| Answer» E. | |
| 5. |
The_received_signal_through_polarization_diversity_reception_is_linearly_polarized._State_whether_the_given_statement_is_true_or_false.$ |
| A. | False |
| B. | True |
| Answer» B. True | |
| 6. |
The use of PLL can be avoided in the intra-dyne detection. State whether the given statement is true or false? |
| A. | False |
| B. | True |
| Answer» C. | |
| 7. |
In the __________ receiver, the incoming signal is not precisely shifted to the baseband. |
| A. | Intra-dyne |
| B. | Heterodyne |
| C. | Homodyne |
| D. | Optical |
| Answer» B. Heterodyne | |
| 8. |
How many strategies of homodyne demodulation have proved to be successful for coherent optical fiber reception? |
| A. | One |
| B. | Three |
| C. | Four |
| D. | Two |
| Answer» E. | |
| 9. |
The phase difference between the local oscillator and the source must be ________ for high sensitivity reception. |
| A. | Deep |
| B. | High |
| C. | Direct |
| D. | Near zero |
| Answer» E. | |
| 10. |
What is the main attraction of the optical homodyne detection? |
| A. | Receiver sensitivity |
| B. | Transmission power |
| C. | Modulation scheme |
| D. | Line width |
| Answer» B. Transmission power | |
| 11. |
The introduction of nonlinear element within the ______ is necessary to enable efficient carrier recovery. |
| A. | PSK |
| B. | ASK |
| C. | FSK |
| D. | PLL |
| Answer» E. | |
| 12. |
In ___________ detection, the phase of the local oscillator signal is locked to the incoming signal. |
| A. | Homodyne |
| B. | Heterodyne |
| C. | Spatial |
| D. | Noisy |
| Answer» B. Heterodyne | |
| 13. |
_________ heterodyne detection does not require phase matching between the incoming signal and the local oscillator. |
| A. | Synchronous |
| B. | Asynchronous |
| C. | Noisy |
| D. | Spatial |
| Answer» C. Noisy | |