Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 8493 mmi 6370 km 8493 km 6370 mi 8493 mmi 6370 km 8493 km 6370 mi ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following operating frequencies is used for the modern loran navigational system? Loran B: 900 kHz Loran C: 100 kHz Loran A: 1950 kHz Loran D: 10.2 kHz Loran B: 900 kHz Loran C: 100 kHz Loran A: 1950 kHz Loran D: 10.2 kHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The resonant frequency of a cavity resonator depends upon The mode of operation Its physical dimensions The capacitor which tunes it Its electrical dimensions The mode of operation Its physical dimensions The capacitor which tunes it Its electrical dimensions ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following permits a microwave signal to travel in one direction with virtually no loss, but severely attenuates any signal attempting to travel in the reverse direction? Wave trap Isolator Tunnel diode Circulator Wave trap Isolator Tunnel diode Circulator ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A magnetron is operated at a duty cycle of 0.001. It has a peak power output of 100 kilo-watts. Its average power is 1,000,000 watts 100 watts 1,000 watts 10,000 watts 1,000,000 watts 100 watts 1,000 watts 10,000 watts ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the reception problems below that is not due to multipath? Rayleigh fading Slow fading Random Doppler shift Delayed spreading Rayleigh fading Slow fading Random Doppler shift Delayed spreading ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS