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Tracking Radar – 1 – 3

11. Squint angle is the angle between :

(a) antenna beam axis and array axis
(b) antenna beam axis and axis of rotation
(c) antenna 3 dB beamwidth in degrees
(d) antenna null-to-null beamwidth in degrees

ANSWER

EXPLANATION

12. Lobe switching gives :

(a) angular error
(b) range
(c) velocity
(d) target size

ANSWER

EXPLANATION

13. Glint means :

(a) range in accuracy
(b) target phase fluctuations
(c) angle inaccuracy
(d) velocity inaccuracy

ANSWER

EXPLANATION

14. Tracking radar gives :

(a) range, angle information and Doppler shift
(b) range only
(c) angle information only
(d) velocity only

ANSWER

EXPLANATION

15. The palmer scan is used in :

(a) range finding
(b) fire-control tacking radar
(c) height finding
(d) finding azimuth angle

ANSWER

EXPLANATION

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