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 for receiver alignment Is used to check the percentage of modulation Indicates only the range of a target Indicates both the range and azimuth of a target Is used for receiver alignment Is used to check the percentage of modulation ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The cavity resonator Produces a frequency which is independent of the cavity size. Has a low Q factor for narrow operation. Is equivalent to an LC resonant circuit In a reflect klystron has its output taken from the reflector plate Produces a frequency which is independent of the cavity size. Has a low Q factor for narrow operation. Is equivalent to an LC resonant circuit In a reflect klystron has its output taken from the reflector plate 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 shortest possible time The restricted high-frequency response A long time constant Low-pass filters The shortest possible time The restricted high-frequency response A long time constant Low-pass filters ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a pulsed radar set, the STC circuit is used to Reduce interference from the effects of sea return Improve the target bearing resolution Vary the pulse frequency in order to control the maximum target Increases receiver sensitivity for echoes from targets Reduce interference from the effects of sea return Improve the target bearing resolution Vary the pulse frequency in order to control the maximum target Increases receiver sensitivity for echoes from targets ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Small reflector Further reflector Nearer reflector Large reflector Small reflector Further reflector Nearer reflector Large reflector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The Gunn diode oscillator Is capable of generating continuous microwave power of the order of kilowatt Operates over a positive resistance characteristic Depends on the formation of charge domain Generates frequencies which are below 100 MHz Is capable of generating continuous microwave power of the order of kilowatt Operates over a positive resistance characteristic Depends on the formation of charge domain Generates frequencies which are below 100 MHz ANSWER DOWNLOAD EXAMIANS APP
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