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A communication satellite is an artificial satellite that transmits the signal via a transponder by creating a channel between the transmitter and the receiver at different Earth locations. Telephone, radio, television, internet, and military applications use satellite communications.
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Feb 12, 2024 · The three functions of a communications system are receiving commands from Earth (uplink), transmitting data down to Earth (downlink) and transmitting or receiving information from another satellite (crosslink or inter-satellite link) (figure 9.1).
State the operative physical principles of launching a satellite and maintaining its orbit. Draw a block diagram of the communication system in a communication satellite, give its name, and explain how it works. List the six main subsystems of a satellite.
Earth Segment Subsystems. The earth segment of satellite communication system mainly consists of two earth stations. Those are transmitting earth station and receiving earth station. The transmitting earth station transmits the information signals to satellite.
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In the first part, a brief review of satellite communication is shown by mentioning types of orbit, frequency bands and a block diagram of satellite communication. Here, the block...