Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 8493 km 6370 mi 6370 km 8493 mmi 8493 km 6370 mi 6370 km 8493 mmi ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A traveling-wave tube (TWT) amplifies by virtue of The absorption of energy by the signal from an electron stream The energy contained the cavity resonators The energy liberated form the collector The effect of an external magnetic field The absorption of energy by the signal from an electron stream The energy contained the cavity resonators The energy liberated form the collector The effect of an external magnetic field 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 watts 100 watts 1,000,000 watts 10,000 watts 1,000 watts 100 watts 1,000,000 watts 10,000 watts ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Coupling into and out of a traveling-wave tube can be accompanied by a Cavity match All of these Waveguide match Direct coax-helix match Cavity match All of these Waveguide match Direct coax-helix match ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the reception problems below that is not due to multipath? Rayleigh fading Delayed spreading Random Doppler shift Slow fading Rayleigh fading Delayed spreading Random Doppler shift Slow fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Theoretically electromagnetic radiation field strength varies in inverse proportion to the square of the distance, but when atmospheric attenuation effects and the absorption of the terrain are taken into account the attenuation can be as high as the inverse ___________ power of the distance. Third Fifth Fourth Sixth Third Fifth Fourth Sixth ANSWER DOWNLOAD EXAMIANS APP
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