16. The transmitter of pulsed radar has :
(a) modulator
(b) no modulator
(c) modulator and synchronizer
(d) no synchronizer
17. High power radar transmitter uses :
(a) magnetrons
(b) transistors
(c) MOSFETs
(d) tunnel diodes
18. The receiver of pulsed radar has :
(a) a mixer and a local oscillator
(b) a local oscillator
(c) a mixer
(d) an AF amplifier
19. In modulated PRF pulse radar :
(a) range resolution is poor
(b) range accuracy is poor
(c) range resolution is better
(d) altitude returns are not eliminated
20. CW radar gives :
(a) radar of target
(b) radial velocity of target
(c) size of target
(d) color of target
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