Microwave Communication The cavity resonator Produces a frequency which is independent of the cavity size. Is equivalent to an LC resonant circuit Has a low Q factor for narrow operation. In a reflect klystron has its output taken from the reflector plate Produces a frequency which is independent of the cavity size. Is equivalent to an LC resonant circuit Has a low Q factor for narrow operation. In a reflect klystron has its output taken from the reflector plate ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In microwave transmission using digital radio, what causes most intersymbol interference? Delayed spreading Rayleigh fading Random Doppler shift Slow fading Delayed spreading Rayleigh fading Random Doppler shift Slow fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a pulsed radar set, the STC circuit is used to Improve the target bearing resolution Increases receiver sensitivity for echoes from targets Vary the pulse frequency in order to control the maximum target Reduce interference from the effects of sea return Improve the target bearing resolution Increases receiver sensitivity for echoes from targets Vary the pulse frequency in order to control the maximum target Reduce interference from the effects of sea return ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What is the purpose of the electromagnetic field which surrounds a traveling-wave tube? To keep the electrons from spreading out To velocity modulate the electron beam To slow down the signal on the helix To accelerate the electron To keep the electrons from spreading out To velocity modulate the electron beam To slow down the signal on the helix To accelerate the electron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 6370 mi 8493 km 6370 km 8493 mmi 6370 mi 8493 km 6370 km 8493 mmi ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication When used in conjunction with a radar set, the purpose of an echo box is to provide an artificial target. Which may be used to tune the radar receiver Tune the magnetron to the correct frequency To the tone of the pulse repetition Which may be used to tune the radar synchronizer Which may be used to tune the radar receiver Tune the magnetron to the correct frequency To the tone of the pulse repetition Which may be used to tune the radar synchronizer ANSWER DOWNLOAD EXAMIANS APP
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