Microwave Communication Which causes multipath or frequency selective fading? Nearer reflector Further reflector Large reflector Small reflector Nearer reflector Further reflector Large reflector Small reflector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the reception problems below that is not due to multipath? Delayed spreading Random Doppler shift Slow fading Rayleigh fading Delayed spreading Random Doppler shift Slow fading Rayleigh fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The cavity resonator In a reflect klystron has its output taken from the reflector plate Is equivalent to an LC resonant circuit Has a low Q factor for narrow operation. Produces a frequency which is independent of the cavity size. In a reflect klystron has its output taken from the reflector plate Is equivalent to an LC resonant circuit Has a low Q factor for narrow operation. Produces a frequency which is independent of the cavity size. ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If the duration of the radar transmitted pulse, on a particular range of operation, is increased, the required bandwidth of the receiver’s IF amplifiers Must be increased May be decreased Must be doubled Must remain as before Must be increased May be decreased Must be doubled Must remain as before ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In microwave transmission using digital radio, what causes most intersymbol interference? Rayleigh fading Slow fading Delayed spreading Random Doppler shift Rayleigh fading Slow fading Delayed spreading Random Doppler shift ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 8493 mmi 8493 km 6370 km 6370 mi 8493 mmi 8493 km 6370 km 6370 mi ANSWER DOWNLOAD EXAMIANS APP
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