11. Range resolution of a Linear Frequency Modulated pulse compression radar depends on which of the following factors:
12. In satellite communication, Faraday rotation is caused by
13. The usable bandwidth of a microwave because transponder for 6/4 satellite communication is generally
14. The maximum range of a monostatic Radar is R. If a target having a Radar cross-section of 10 m2 exists at R/2, what should be the target cross-section at 3R/2 to result in an equal signal strength at the Radar?
15. An FM-CW (Frequency Modulated - Continuous Wave) Radar is essentially
16. Which of the following statements on communication by geosynchronous satellites are correct?
1. The propagation loss over each direction (uplink are downlink) is about 200 dB at 5 GHz.
2. Radius of the geosynchronous orbit is 42250 km.
3. An arc of about 17° must be covered by the satellite antenna in the equatorial plane.
4. The polar regions are well covered by the satellite antenna.
Select the correct answer using the options given below:
1. The propagation loss over each direction (uplink are downlink) is about 200 dB at 5 GHz.
2. Radius of the geosynchronous orbit is 42250 km.
3. An arc of about 17° must be covered by the satellite antenna in the equatorial plane.
4. The polar regions are well covered by the satellite antenna.
Select the correct answer using the options given below:
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