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Questions for RADAR

Answer the following questions

1. To double the range of a primary radar would require the power to be increased by a factor of
2. If the PRF of a primary radar is 500 pulses per second, the maximum range will be
3. To improve the resolution of a radar display requires
4. The bearing of a primary radar is measured by
5. The use of Doppler techniques to discriminate between aircraft and fixed objects results in second trace returns being generated. These are removed by
6. The main advantage of continuous wave radars is
7. A radar is required to have a maximum range of 100 nm. What is the maximum PRF that will achieve this?
8. The factor which limits the minimum detection range of a radar is
9. A radar is designed to have a maximum range of 12 km. The maximum PRF that would permit this is
10. The factor which determines the maximum range of a radar is
11. If the PRI of a radar is 2100 microseconds, the maximum range of the radar is
12. An echo is received from a target 900 microseconds after the pulse was transmitted. The range to the target is
13. The time between the transmission of a pulse and the reception of the echo from a target is 1720 microseconds. What is the range of the target?
14. An advantage of a phased array (slotted antenna. is