Communication Systems It is found that a ship to ship communication suffers from fading. This can be avoided by using Frequency diversity Space diversity Directional antenna Broad band antenna Frequency diversity Space diversity Directional antenna Broad band antenna ANSWER DOWNLOAD EXAMIANS APP
Communication Systems FM transmitting and receiving equipment as compared to AM equipment is Almost equally costly Costly None of these Cheaper Almost equally costly Costly None of these Cheaper ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Fourier analysis indicate that a square wave can be represented as A fundamental sine wave and even harmonics A fundamental sine wave and odd harmonics A fundamental sine wave and harmonics Fundamental and subharmonic sine waves A fundamental sine wave and even harmonics A fundamental sine wave and odd harmonics A fundamental sine wave and harmonics Fundamental and subharmonic sine waves ANSWER DOWNLOAD EXAMIANS APP
Communication Systems VSB modulation is preferred in TV because It avoids phase distortion at low frequencies It reduces the bandwidth requirement to half None of these It results in better reception It avoids phase distortion at low frequencies It reduces the bandwidth requirement to half None of these It results in better reception ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Commercial Frequency deviation of FM is 75 kHz 70 kHz 65 kHz 80 kHz 75 kHz 70 kHz 65 kHz 80 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For AM receivers the standard IF frequency is 1.07 MHz 455 kHz 10.7 MHz 106 kHz 1.07 MHz 455 kHz 10.7 MHz 106 kHz ANSWER DOWNLOAD EXAMIANS APP