Microwave Communication Microwave frequencies are normally regarded as those in the range of 10 to 1000 GHz 1000 to 10,000 GHz 1 to 100 GHz 1 to 500 MHz 10 to 1000 GHz 1000 to 10,000 GHz 1 to 100 GHz 1 to 500 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The maximum usable range of the usual radar set (on any particular range setting) is determined by The duty cycle The width of the transmitted pulses The interval between transmitted pulses The bandwidth of the receiver IF stages The duty cycle The width of the transmitted pulses The interval between transmitted pulses The bandwidth of the receiver IF stages ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication At what position is the input signal inserted into a traveling-wave tube? At the collector end of the helix At the control grid of the electron gun At the cathode end of the helix At the collector At the collector end of the helix At the control grid of the electron gun At the cathode end of the helix At the collector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 6370 km 8493 km 8493 mmi 6370 mi 6370 km 8493 km 8493 mmi 6370 mi ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Nearer reflector Large reflector Further reflector Small reflector Nearer reflector Large reflector Further reflector Small reflector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A reflex klystron is oscillating at the frequency of its resonant cavity. If the reflector voltage is made slightly less negative, the Oscillation will cease The frequency will decrease Output power would increase Bunching would occur earlier in time Oscillation will cease The frequency will decrease Output power would increase Bunching would occur earlier in time ANSWER DOWNLOAD EXAMIANS APP
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