communications satellite - определение. Что такое communications satellite
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Что (кто) такое communications satellite - определение

ARTIFICIAL SATELLITE DESIGNED FOR TELECOMMUNICATIONS
Communication satellite; Satellite communications; Telecommunications satellite; Satellite communication; Communications Satellite; Look angle; Communications satellites; Communication satellites; Television satellite; Commsat; Satellite Communications; Relay (satellite); Sat-com; Aerosat; Broadcasting Satellite; Broadcast Satellite; Broadcasting satellite; Telecommunication satellite; Digital satellite technology; Satellite transmission; Relay satellite; Satellite up-links; Satcoms; NGSO; Space radiocommunication; Data relay satellite; Satellite Communication; History of satellite communications; Data collection satellite; Satellite data collection; Relaysat; Satellite telecommunications
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  • [[Geostationary orbit]]
  • Iridium]] satellite
  • [[Low Earth orbit]]}}
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communications satellite         
¦ noun a satellite placed in orbit round the earth in order to relay television, radio, and telephone signals.
Communications satellite         
A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth. Communications satellites are used for television, telephone, radio, internet, and military applications.
Transformational Satellite Communications System         
Transformational Communications Satellite
The Transformational Satellite Communications System (TSAT) program was a United States Department of Defense (DOD) program sponsored by the U.S.
Transponder (satellite communications)         
DEVICE THAT GATHERS SIGNALS OVER A RANGE OF UPLINK FREQUENCIES AND RE-TRANSMITS THEM ON A DIFFERENT SET OF DOWNLINK FREQUENCIES TO RECEIVERS ON EARTH
Bent pipe; Transponder (Satellite communications); Linear transponder; Bent-pipe transponder; Bent pipe transponder; Transponder equivalent
A communications satellite's transponder is the series of interconnected units that form a communications channel between the receiving and the transmitting antennas.
Communications Satellite Corporation         
  • Clarksburg]], [[Maryland]]
  • São Paulo]], [[Brazil]]
FORMER U.S. TELECOMMUNICATIONS COMPANY
Communications Satellite Corporation
COMSAT was established in 1963 under provision of the Communications Satellite Act of 1962. The legislation directed that COMSAT establish the world's first commercial international satellite communications system. The Act also stipulated that the company operate as a shareholder-owned "for-profit" corporation. COMSAT represents the U.S. in the International Telecommunications Satellite Organization.
Satellite (biology)         
SUBVIRAL AGENT COMPOSED OF NUCLEIC ACID
Satellite virus; Satellite nucleic acid; Satellite viruses; Satellite RNA; SatRNA
A satellite is a subviral agent that depends on the coinfection of a host cell with a helper virus for its replication. Satellites can be divided into two major classes: satellite viruses and satellite nucleic acids.
satellite         
HUMAN-MADE OBJECT PUT INTO AN ORBIT
Satellites; Artificial satellite; Satelite; Artificial satellites; Earth satellite; Sattelite; Satellite (spacecraft); Satellite tracking; Sattilite; Satillite; Satilite; Scientific satellites; Satellite service; Scientific satellite; Artificial moon; Satellite tracker; Satalite; Satelitte; Space satellite; Sattelit; Sattellite; Satellite-tracking; Artificial Satellite; Scientific research satellite; 🛰; History of satellites; Research satellites; Satellite era; 🛰️; Open source satellites; Earth Satellite; Geospace monitoring satellites; Satellite demisability; Demise (satellite); Altitude control
n.
1) to launch; orbit a satellite
2) an artificial (earth); communications; spy; weather satellite
Satellite         
HUMAN-MADE OBJECT PUT INTO AN ORBIT
Satellites; Artificial satellite; Satelite; Artificial satellites; Earth satellite; Sattelite; Satellite (spacecraft); Satellite tracking; Sattilite; Satillite; Satilite; Scientific satellites; Satellite service; Scientific satellite; Artificial moon; Satellite tracker; Satalite; Satelitte; Space satellite; Sattelit; Sattellite; Satellite-tracking; Artificial Satellite; Scientific research satellite; 🛰; History of satellites; Research satellites; Satellite era; 🛰️; Open source satellites; Earth Satellite; Geospace monitoring satellites; Satellite demisability; Demise (satellite); Altitude control
·adj Situated near; accompanying; as, the satellite veins, those which accompany the arteries.
II. Satellite ·noun An attendant attached to a prince or other powerful person; hence, an obsequious dependent.
III. Satellite ·noun A secondary planet which revolves about another planet; as, the moon is a satellite of the earth. ·see Solar system, under Solar.
Satellite watching         
  • Skytrack long duration exposure of the [[International Space Station]]
  • Baker-Nunn satellite tracking camera]].
ACTIVITY INVOLVING THE OBSERVATION AND TRACKING OF ARTIFICIAL SATELLITES
Satellite watcher; Satellite spotter; Satellite-watcher; Satellite spotting; Amateur satellite observer; Ted Molczan; Molczan; SeeSat-L; SeeSat
Satellite watching or satellite spotting is a hobby which consists of the observation and tracking of artificial satellites that are orbiting Earth. People with this hobby are variously called satellite watchers, trackers, spotters, observers, etc.
satellite         
HUMAN-MADE OBJECT PUT INTO AN ORBIT
Satellites; Artificial satellite; Satelite; Artificial satellites; Earth satellite; Sattelite; Satellite (spacecraft); Satellite tracking; Sattilite; Satillite; Satilite; Scientific satellites; Satellite service; Scientific satellite; Artificial moon; Satellite tracker; Satalite; Satelitte; Space satellite; Sattelit; Sattellite; Satellite-tracking; Artificial Satellite; Scientific research satellite; 🛰; History of satellites; Research satellites; Satellite era; 🛰️; Open source satellites; Earth Satellite; Geospace monitoring satellites; Satellite demisability; Demise (satellite); Altitude control
(satellites)
Frequency: The word is one of the 3000 most common words in English.
1.
A satellite is an object which has been sent into space in order to collect information or to be part of a communications system. Satellites move continually round the earth or around another planet.
The rocket launched two communications satellites...
The signals are sent by satellite link...
N-COUNT: also by N
2.
Satellite television is broadcast using a satellite.
They have four satellite channels.
ADJ: ADJ n
3.
A satellite is a natural object in space that moves round a planet or star.
...the satellites of Jupiter.
N-COUNT
4.
You can refer to a country, area, or organization as a satellite when it is controlled by or depends on a larger and more powerful one.
Italy became a satellite state of Germany by the end of the 1930s.
N-COUNT: oft N n

Википедия

Communications satellite

A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth. Communications satellites are used for television, telephone, radio, internet, and military applications. Many communications satellites are in geostationary orbit 22,300 miles (35,900 km) above the equator, so that the satellite appears stationary at the same point in the sky; therefore the satellite dish antennas of ground stations can be aimed permanently at that spot and do not have to move to track the satellite. Others form satellite constellations in low Earth orbit, where antennas on the ground have to follow the position of the satellites and switch between satellites frequently.

The high frequency radio waves used for telecommunications links travel by line of sight and so are obstructed by the curve of the Earth. The purpose of communications satellites is to relay the signal around the curve of the Earth allowing communication between widely separated geographical points. Communications satellites use a wide range of radio and microwave frequencies. To avoid signal interference, international organizations have regulations for which frequency ranges or "bands" certain organizations are allowed to use. This allocation of bands minimizes the risk of signal interference.