Communication Systems Circular polarization Is useful in reducing depolarization effect on received wave Involves critical alignment of transmitting and receiving antenna None of these Is useful in discrimination between reception of adjacent beams Is useful in reducing depolarization effect on received wave Involves critical alignment of transmitting and receiving antenna None of these Is useful in discrimination between reception of adjacent beams ANSWER DOWNLOAD EXAMIANS APP
Communication Systems It is found that a ship to ship communication suffers from fading. This can be avoided by using Broad band antenna Space diversity Frequency diversity Directional antenna Broad band antenna Space diversity Frequency diversity Directional antenna ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Under ordinary circumstances, impulse noise can be reduced in AM only Both AM and FM None of these FM only AM only Both AM and FM None of these FM only ANSWER DOWNLOAD EXAMIANS APP
Communication Systems FM transmitting and receiving equipment as compared to AM equipment is Cheaper Costly Almost equally costly None of these Cheaper Costly Almost equally costly None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Fourier analysis indicate that a square wave can be represented as Fundamental and subharmonic sine waves A fundamental sine wave and even harmonics A fundamental sine wave and harmonics A fundamental sine wave and odd harmonics Fundamental and subharmonic sine waves A fundamental sine wave and even harmonics A fundamental sine wave and harmonics A fundamental sine wave and odd harmonics ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A three stage telephone switching structure is to have 128 input and 128 output terminals. There are 16 first stage and 16 third stage matrices. To avoid blocking the number of intermediate paths required is 15 16 8 1 15 16 8 1 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS