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 All of these Aid in calibrating the display unit Allow the transmitter and the receiver to operate from a common antenna Prevent frequency drift in the klystron All of these Aid in calibrating the display unit Allow the transmitter and the receiver to operate from a common antenna Prevent frequency drift in the klystron 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 The AFC system An adjustment in the synchronizer Varying the repeller voltage Adjusting the flexible wall of the resonant cavity The AFC system An adjustment in the synchronizer ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The main frequency determining element of a klystron is The repeller voltage Its resonant cavity The accelerating voltage Its mode of operation The repeller voltage Its resonant cavity The accelerating voltage Its mode of operation ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The cavity resonator In a reflect klystron has its output taken from the reflector plate Has a low Q factor for narrow operation. Produces a frequency which is independent of the cavity size. Is equivalent to an LC resonant circuit In a reflect klystron has its output taken from the reflector plate Has a low Q factor for narrow operation. Produces a frequency which is independent of the cavity size. Is equivalent to an LC resonant circuit ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication When it is desired that short-range targets be clearly seen on a pulsed-radar set, it is important that the receiver and display system have The restricted high-frequency response The shortest possible time A long time constant Low-pass filters The restricted high-frequency response The shortest possible time A long time constant Low-pass filters ANSWER DOWNLOAD EXAMIANS APP