Radar signalling processing mcqs

1. : Which properties made digital signal processing more advantageous than analog signal processing?
(A) Flexibility
(B) Accuracy
(C) Storage
(D) All of these

2. : Which one is a common independent variable for EEG, ECR, and speech signals?
(A) Pressure
(B) Spatial coordinates
(C) Time
(D) All of these

3. : Which block is not required in digital processing of the RADAR signal?
(A) DSP
(B) A/D converter
(C) D/A converter
(D) None of these

4. : The radar in which the same antenna is used for both transmission and reception is called:
(A) Bistatic radar
(B) Monostatic radar
(C) Dipole radar
(D) None of these

5. : Which is true about the frequency response of the “Hilbert transform”?
(A) Purely imaginary
(B) Purely real
(C) Complex
(D) None of these

6. : In which band will Doppler shift for aircraft remain?
(A) AF band
(B) HF band
(C) VHF band
(D) None of these

7. : To process an input analog signal to get an output analog signal, which things are required?
(A) Digital signal processor
(B) A/D converter
(C) D/A converter
(D) All of these

8. : Which physical device performs an operation on the signal?
(A) Signal source
(B) Medium
(C) System
(D) None of these

9. : Which radar determines the target range by measuring the round trip time of a pulsed microwave signal?
(A) Pulse radar
(B) Doppler radar
(C) Cross-section radar
(D) None of the mentioned

10. : In radar, very large reflectors are required for…
(A) Very long wavelength
(B) Small wavelength
(C) Medium wavelength
(D) None of these

11. : How can we resolve the blind speed problem?
(A) No change in PRF
(B) Low PRF
(C) High PRF
(D) Varying PRF

12. : The time taken by the radar signal to travel to NM (nautical mile) is called…
(A) Current mile
(B) System mile
(C) Radar mile
(D) None of these