Microwave Communication Which of the following is used as a high power microwave oscillator? Magnetron Klystron Reflex-klystron Thyratron Magnetron Klystron Reflex-klystron Thyratron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The coarse frequency adjustment of a reflex klystron is accomplished by Varying the repeller voltage Adjusting the flexible wall of the resonant cavity An adjustment in the synchronizer The AFC system Varying the repeller voltage Adjusting the flexible wall of the resonant cavity An adjustment in the synchronizer The AFC system ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A PPI cathode-ray tube as used on a radar set Indicates only the range of a target Indicates both the range and azimuth of a target Is used to check the percentage of modulation Is used for receiver alignment Indicates only the range of a target Indicates both the range and azimuth of a target Is used to check the percentage of modulation Is used for receiver alignment ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Further reflector Small reflector Nearer reflector Large reflector Further reflector Small reflector Nearer reflector Large reflector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a pulsed radar set, the function of the duplexer is to Prevent frequency drift in the klystron Allow the transmitter and the receiver to operate from a common antenna Aid in calibrating the display unit All of these Prevent frequency drift in the klystron Allow the transmitter and the receiver to operate from a common antenna Aid in calibrating the display unit All of these ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 6370 mi 6370 km 8493 km 8493 mmi 6370 mi 6370 km 8493 km 8493 mmi ANSWER DOWNLOAD EXAMIANS APP
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