Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 6370 mi 8493 km 8493 mmi 6370 km 6370 mi 8493 km 8493 mmi 6370 km 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 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
Microwave Communication The frequency of the oscillation generated by a magnetron, is mainly determined by The number of the cavity resonators The flux density of the external magnet The dimension of each cavity resonator The ratio of the dc cathode voltage to the magnetic flux density The number of the cavity resonators The flux density of the external magnet The dimension of each cavity resonator The ratio of the dc cathode voltage to the magnetic flux density ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a radar-set receiver, the usual mixer stage is A silicon crystal And FET A tunnel diode A Rochelle salts crystal A silicon crystal And FET A tunnel diode A Rochelle salts crystal ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication It is possible to increase the maximum range of a radar equipment by Lowering the pulse frequency Narrowing the beam width and increasing the pulse duration All of these Raising the peak power of the transmitter Lowering the pulse frequency Narrowing the beam width and increasing the pulse duration All of these Raising the peak power of the transmitter ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS