Communication Systems It is found that a ship to ship communication suffers from fading. This can be avoided by using Directional antenna Space diversity Frequency diversity Broad band antenna Directional antenna Space diversity Frequency diversity Broad band antenna ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If output power of a radio receiver is doubled, its volume is increased by __________ dB. 2 3 1 -3 2 3 1 -3 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a FM receiver, amplitude limiter Amplifiers low frequency signals Reduces the amplitude of signals Eliminates any change in amplitude of received FM signals None of these Amplifiers low frequency signals Reduces the amplitude of signals Eliminates any change in amplitude of received FM signals None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Under ordinary circumstances, impulse noise can be reduced in FM only AM only Both AM and FM None of these FM only AM only Both AM and FM None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which one of the following is analog? Delta modulation Differential PCM PWM PCM Delta modulation Differential PCM PWM PCM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Skip distance depends on time of day and angle of incidence. False True False True ANSWER DOWNLOAD EXAMIANS APP
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