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 Low-pass filters A long time constant The shortest possible time The restricted high-frequency response Low-pass filters A long time constant The shortest possible time ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 8493 km 8493 mmi 6370 mi 6370 km 8493 km 8493 mmi 6370 mi 6370 km ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The cavity resonator Produces a frequency which is independent of the cavity size. In a reflect klystron has its output taken from the reflector plate Has a low Q factor for narrow operation. Is equivalent to an LC resonant circuit Produces a frequency which is independent of the cavity size. In a reflect klystron has its output taken from the reflector plate Has a low Q factor for narrow operation. Is equivalent to an LC resonant circuit ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In an SHF pulsed radar set, a reflex klystron can be used as a Transmitter oscillator Local oscillator Duplexer stage Single mixer stage Transmitter oscillator Local oscillator Duplexer stage Single mixer stage ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The frequency of the oscillation generated by a magnetron, is mainly determined by The ratio of the dc cathode voltage to the magnetic flux density The number of the cavity resonators The dimension of each cavity resonator The flux density of the external magnet The ratio of the dc cathode voltage to the magnetic flux density The number of the cavity resonators The dimension of each cavity resonator The flux density of the external magnet ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication __________ is the progressive decrease of signal strength with increasing distance. Attenuation Propagation Modulation Radiation Attenuation Propagation Modulation Radiation ANSWER DOWNLOAD EXAMIANS APP