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 Frequency diversity Space diversity Broad band antenna Directional antenna Frequency diversity Space diversity ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If sampling is done at the rate of 10 kHz. The bandwidth required is 10 kHz 70 kHz 35 kHz 1280 kHz 10 kHz 70 kHz 35 kHz 1280 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The main function of a balanced modulator is to Produce balanced modulation of a carrier wave Produce 100% modulation Suppress carrier signal in order to create a single-sideband or double sideband Limit noise picked by a receiver Produce balanced modulation of a carrier wave Produce 100% modulation Suppress carrier signal in order to create a single-sideband or double sideband Limit noise picked by a receiver ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Full duplex operation permits transmission in both directions at the same time. False True False True ANSWER DOWNLOAD EXAMIANS APP
Communication Systems An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz. 102.3 80.9 70.2 113 102.3 80.9 70.2 113 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is an indirect way of generating FM? Reactance FET modulator Reactance bipolar transistor Armstrong modulator Varactor diode modulator Reactance FET modulator Reactance bipolar transistor Armstrong modulator Varactor diode modulator ANSWER DOWNLOAD EXAMIANS APP
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