Communication Systems Circular polarization Involves critical alignment of transmitting and receiving antenna Is useful in reducing depolarization effect on received wave None of these Is useful in discrimination between reception of adjacent beams Involves critical alignment of transmitting and receiving antenna Is useful in reducing depolarization effect on received wave None of these Is useful in discrimination between reception of adjacent beams ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Modulation, “carrier” is Voltage with constant frequency, phase or amplitude Resultant wave Voltage for which frequency, phase or amplitude is varied Speech voltage to be transmitted Voltage with constant frequency, phase or amplitude Resultant wave Voltage for which frequency, phase or amplitude is varied Speech voltage to be transmitted ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a TV receiver antenna the length of reflector rod Is less than that of dipole Is the same as that of dipole May be equal, more or less than that of dipole Is more than that of dipole Is less than that of dipole Is the same as that of dipole May be equal, more or less than that of dipole Is more than that of dipole ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A woofer should be fed from the input through a Low pass filter Band pass filter High pass filter Band stop filter Low pass filter Band pass filter High pass filter Band stop filter ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a given carrier wave, maximum undistorted power is transmitted when value of modulation is 0.5 1 0.8 0.5 1 0.8 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 Directional antenna Space diversity Frequency diversity Broad band antenna Directional antenna Space diversity Frequency diversity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS