MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Cognitive Radio knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The angle of arrival approach requires antenna array at the receivers. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which among the following computations might be employed as a technique for determining the time difference of arrival? |
| A. | Cross-correlation |
| B. | Probability density function |
| C. | Cumulative density function |
| D. | Standard deviation |
| Answer» B. Probability density function | |
| 3. |
Which among the following is the first step in the determination of position using time difference of arrival? |
| A. | Time tag the transmitted signal |
| B. | Solving for the position of source transmitter |
| C. | Determining the time difference of arrival curve |
| D. | Conversion to a common coordinate system |
| Answer» B. Solving for the position of source transmitter | |
| 4. |
What type of signal is employed by LORAN? |
| A. | Intermittent |
| B. | Continous |
| C. | Burst |
| D. | Buffer |
| Answer» D. Buffer | |
| 5. |
How many surfaces are required to geolocate a transmitter on a two-dimensional plane using time difference of arrival approach? |
| A. | Two |
| B. | Three |
| C. | Four |
| D. | Five |
| Answer» C. Four | |
| 6. |
What curve is obtained by plotting the time difference of arrival? |
| A. | Parabola |
| B. | Sphere |
| C. | Hyperbola |
| D. | Ellipse |
| Answer» D. Ellipse | |
| 7. |
Which among the following is an essential for the time of arrival approach? |
| A. | Time tag and phase tag the transmitted signal |
| B. | Phase tag the transmitted signal |
| C. | Time tag and frequency tag the transmitted signal |
| D. | Time tag the transmitted signal |
| Answer» E. | |
| 8. |
Which among the following is not a step in time of arrival and time difference of arrival process? |
| A. | Analysis of signal propagation |
| B. | Track error bound |
| C. | Conversion to equation |
| D. | Analysis of channel path |
| Answer» E. | |
| 9. |
Which among the following is not a common feature between the time of arrival and time difference of arrival? |
| A. | Straight-line of sight |
| B. | High resolution system clock |
| C. | Propagation at speed of light |
| D. | Shape of curve |
| Answer» E. | |
| 10. |
Which among the following is not an outcome of destination location addressing? |
| A. | Reduced interference |
| B. | Reduced power consumption |
| C. | Reduced handovers |
| D. | Reduced dropped calls |
| Answer» D. Reduced dropped calls | |