55 Terms
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Satellites
Of or relating to any man-made object launched to orbit Earth or another celestial body.
Industry: Aerospace
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Satellites
Television receive only (TVRO)
Aerospace; Satellites
Terminals that use antenna reflectors and associated electronic equipment to receive and process television and audio communications via satellite. Typically small home systems.
Synchronisation (Sync)
Aerospace; Satellites
The process of orienting the transmitter and receiver circuits in the proper manner in order that they can be synchronised . Home television sets are synchronised by an incoming sync signal with the ...
Subcarrier
Aerospace; Satellites
A second signal "piggybacked" onto a main signal to carry additional information. In satellite television transmission, the video picture is transmitted over the main carrier. The corresponding audio ...
Spread spectrum
Aerospace; Satellites
The transmission of a signal using a much wider bandwidth and power than would normally be required. Spread spectrum also involves the use of narrower signals that are frequency hopped through ...
Stationkeeping
Aerospace; Satellites
Minor orbital adjustments that are conducted to maintain the satellite's orbital assignment within the allocated "box" within the geostationary arc.
Stauration flux density (SFD)
Aerospace; Satellites
The power required to achieve saturation of a single repeater channel on the satellite.
Spillover
Aerospace; Satellites
Satellite signal that falls on locations outside the beam pattern's defined edge of coverage.