COMMUNICATION SATELLITE Meaning and
Definition
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A communication satellite refers to an artificial satellite that is specifically designed and launched into space to facilitate the transmission of communication signals between different points on Earth. These satellites play a pivotal role in modern telecommunications by enabling long-distance communication, data transmission, television broadcasts, and internet connectivity.
Communication satellites are positioned in geostationary orbits, approximately 35,786 kilometers above the Earth's surface, which allows them to remain fixed relative to a specific location on the planet. This geostationary positioning greatly enhances the satellite's ability to maintain continuous contact with ground-based stations, as it orbits at the same rotational speed as the Earth. This synchronization enables the satellite to constantly stay within the line of sight of ground stations, thus ensuring uninterrupted communication services.
These satellites are equipped with highly advanced technology, including transponders and antennas, which receive incoming signals, amplify and modulate them, and then retransmit them back to Earth. The transponders on the satellite perform the crucial function of receiving and retransmitting communication signals, converting them from one frequency to another to avoid interference and facilitate effective transmission. The antennas, on the other hand, serve the purpose of transmitting and receiving the signals between the satellite and ground-based stations. This integrated system of transponders and antennas enables the seamless flow of communication signals over vast distances.
With the growing reliance on telecommunication and the ever-increasing demand for faster and more efficient communication systems, communication satellites have become an integral part of global communication networks. They connect people across continents, facilitate international telephony, television broadcasting, internet communication, and enable efficient information exchange on a global scale.
Common Misspellings for COMMUNICATION SATELLITE
- xommunication satellite
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Etymology of COMMUNICATION SATELLITE
The word "communication satellite" consists of two parts: "communication" and "satellite".
The term "communication" originated from the Latin word "communicatio", which means "sharing" or "imparting". It evolved through the Old French word "communication" and Middle English to its current form in the English language.
The word "satellite" comes from the Latin word "satelles", which originally referred to a bodyguard or an attendant. In the late 16th century, the term was adopted in astronomy to refer to natural celestial objects that orbit around larger bodies. In the context of communication satellites, it refers to man-made objects that orbit the Earth and facilitate global communications.
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