Microwave Communication In a pulsed radar set, the STC circuit is used to Reduce interference from the effects of sea return Vary the pulse frequency in order to control the maximum target Improve the target bearing resolution Increases receiver sensitivity for echoes from targets Reduce interference from the effects of sea return Vary the pulse frequency in order to control the maximum target Improve the target bearing resolution Increases receiver sensitivity for echoes from targets 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 100 watts 1,000 watts 10,000 watts 1,000,000 watts 100 watts 1,000 watts 10,000 watts 1,000,000 watts ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as a high power microwave oscillator? Klystron Reflex-klystron Magnetron Thyratron Klystron Reflex-klystron Magnetron Thyratron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the reception problems below that is not due to multipath? Random Doppler shift Rayleigh fading Delayed spreading Slow fading Random Doppler shift Rayleigh fading Delayed spreading Slow fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A PPI cathode-ray tube as used on a radar set Indicates only the range of a target Is used to check the percentage of modulation Is used for receiver alignment Indicates both the range and azimuth of a target Indicates only the range of a target Is used to check the percentage of modulation Is used for receiver alignment Indicates both the range and azimuth of a target ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication __________ is the progressive decrease of signal strength with increasing distance. Modulation Propagation Attenuation Radiation Modulation Propagation Attenuation Radiation ANSWER DOWNLOAD EXAMIANS APP
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